Re: Strange problem with IE 5
The record in access_log: 192.168.2.11 - - [date] "GET /file.htm HTTP/1.1" 200 8731 "-" "Mozilla/4.0 (compatible; MSIE 5.01; Windows NT 5.0")" what's in your error_log? [Fri Dec 8 11:14:00 2000] [info] created shared memory segment #256 [Fri Dec 8 11:14:00 2000] [notice] Apache/1.3.14 (Unix) mod_perl/1.24_01 config ured -- resuming normal operations [Fri Dec 8 11:14:00 2000] [info] Server built: Dec 8 2000 11:12:10 No error messages. Why do you use ETag header? Good question :) I didn't enable the usage of ETag somehow explicitly. I don't know why it is used. Now i'm trying to use minimal config. Here is my httpd.conf: # Global Environment ServerType standalone ServerRoot "/home/httpd" PidFile /var/run/httpd.pid Timeout 300 KeepAlive On MaxKeepAliveRequests 100 KeepAliveTimeout 15 MinSpareServers 5 MaxSpareServers 10 StartServers 5 MaxClients 150 MaxRequestsPerChild 0 # Main server configuration Port 80 User www Group www DocumentRoot "/home/httpd/web" Directory / Options None AllowOverride None Order deny,allow Deny from all /Directory Directory "/home/httpd/web" Options None AllowOverride None Order allow,deny Allow from all /Directory UseCanonicalName On IfModule mod_mime.c TypesConfig /etc/httpd/conf/mime.types /IfModule DefaultType text/plain HostnameLookups Off ErrorLog /var/log/httpd/error_log LogLevel debug ServerSignature On IfModule mod_setenvif.c BrowserMatch "Mozilla/2" nokeepalive BrowserMatch "MSIE 4\.0b2;" nokeepalive downgrade-1.0 force-response-1.0 BrowserMatch "RealPlayer 4\.0" force-response-1.0 BrowserMatch "Java/1\.0" force-response-1.0 BrowserMatch "JDK/1\.0" force-response-1.0 /IfModule List of compiled-in modules: http_core.c mod_log_config.c mod_mime.c mod_include.c mod_dir.c mod_cgi.c mod_alias.c mod_access.c mod_auth.c mod_setenvif.c mod_perl.c Accept-Ranges: bytes Content-Length: 0 No content? This is very strange for me too. But even if content-length is 0, the document is retrieved properly with GET. ek - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: Help needed with MAP expression
On Thu, 7 Dec 2000, bari wrote:
Hi there,
Can any one help me what this MAP function does...
map(/^[\.\d]+$/ ? td({-align='right'}, $_) : td($_), @$_)
$_ contains an array ref. It loops through each entry in the array ref. If
the entry is a number (by the above regexp's naive view of numbers), it
maps it to td align="right"number/td, otherwise it maps it to
tdvalue/td.
The use of $_ as the container for the array ref, while using map (which
gives you a $_ inside the map expression) is scary scary obfuscated
nastiness and deserves a slap for whoever wrote it.
--
Matt/
/||** Director and CTO **
//||** AxKit.com Ltd ** ** XML Application Serving **
// ||** http://axkit.org ** ** XSLT, XPathScript, XSP **
// \\| // ** Personal Web Site: http://sergeant.org/ **
\\//
//\\
// \\
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[ANNOUNCE] new site: scaling mod_perl (+tool: mod_perl + DBD::Oracle)
The enterprise mod_perl architectures idea that I posted earlier has evolved into a slightly modified idea: a 'scaling mod_perl' site: http://www.lifespree.com/modperl. The point of this site will be to talk about synthesize techniques for scaling, monitoring, and profiling large, complicated mod_perl architectures. So far, I've written up a basic scaling framework, and I've posted a particular development profiling tool that we wrote to capture, time, and explain all SQL select queries that occur on a particular page of a mod_perl + DBD::Oracle application: -http://www.lifespree.com/modperl/explain_dbitracelog.pl -http://www.lifespree.com/modperl/DBD-Oracle-1.06-perfhack.tar.gz Currently, I'm soliciting thoughts and code on the following subjects in particular: 1. Performance benchmarking code. In particular, I'm looking for tools that can read in an apache log, play it back realtime (by looking at the time between requests in the apache log), and simulate slow simultaneous connections. I've started writing my own, but it would be cool if something else out there existed. 2. Caching techniques. I know that this is a topic that has been somewhat beaten to a pulp on this list, but it keeps coming up, and I don't know of any place where the current best thinking on the subject has been synthesized. I haven't used any caching techniques yet myself, but I intend to begin caching data at the mod_perl tier in the next version of my application, so I have a very good incentive to synthesize and benchmark various techniques. If folks could just send me pointers to various caching modules and code, I'll test them in a uniform environment and let folks know what I come up with. Or, if someone has already done all that work of testing, I'd appreciate if you could point me to the results. I'd still like to run my own tests, though. If folks could point me towards resources/code for these topics (as well as any other topics you think might be relevant to the site), please let me know. I'm offering to do the legwork required to actually test, benchmark, and synthesize all of this stuff, and publish it on the page. I'm also still interested in actually talking with various folks. If anyone who has been through some significant mod_perl scaling exercise would like to chat for 15-30 minutes to swap war stories or tactical plans, I'd love to talk with you; send me a private email. cheers, Ed - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: [ANNOUNCE] new site: scaling mod_perl (+tool: mod_perl +DBD::Oracle)
On Fri, 8 Dec 2000, Ed Park wrote: The enterprise mod_perl architectures idea that I posted earlier has evolved into a slightly modified idea: a 'scaling mod_perl' site: http://www.lifespree.com/modperl. Ed, this is all cool, but is it possible that we put this on one of the public sites? At some point you will probably become too busy to maintain this site... And maintaining the site whose sources are in HTML is a big mess. My suggestion is to pick the guide's code code base (Pod::HtmlPSPdf), write in POD and deliver it as a separate package e.g. 'scale', which then can be placed to perl.apache.org/scale or else and maintained with CVS. It will also allow you to deliver ps/pdf formats. Re-use the existing mirrors structure and the search facilities. _ Stas Bekman JAm_pH -- Just Another mod_perl Hacker http://stason.org/ mod_perl Guide http://perl.apache.org/guide mailto:[EMAIL PROTECTED] http://apachetoday.com http://logilune.com/ http://singlesheaven.com http://perl.apache.org http://perlmonth.com/ - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: RFC: mod_perl advocacy project resurrection
One simple question please. How do you differentiate between perl programmers amd Mod_perl programmers? Thanks Stas Bekman wrote: I've dropped my last job, in order to finally finish the mod_perl book, have some rest and make a push to mod_perl. Well best of luck hope you have a good rest - I'll certainly buy the book! :) I see two main streams: 1) Online zines. 2) Conferences. I think that we should start working on locating ezines wanting to publish mod_perl related articles (preferrably for a fee, to give incentives for others to write) and conferences where mod_perl can be relevant. The data is to be collected and distributed to the people who wish to advocate mod_perl, thru written articles and conference classes. I suppose that we will also look for companies who want to order mod_perl classes and find the teachers in the appropriate areas. I think may people could write simple "How to ZXY" in mod_perl. PHP has excellent resources for similar things i.e how to do this or that. Very much like the Perl Cookbook. I am not saying that mod_perl does not have these, and the guide has some excellent examples, but these are often not easy to find and will not attact people half as much as reading a single all-in one atricle. Right, so anybody wants to get famous (well at least a little :), you wrote some cool code snippet -- describe the gist, attach the source and let others look over it. Sort of WebTechniques columns by Randal. May be we could organize some certification classes, to give more PR to mod_perl. Not wishing to sound negative - but certification more often causes problems - MCSE's a case in point. well, may be. Obviously we don't need certifications when we cannot find mod_perl programmers at all. I just thought about it as the counter-intuitive solution -- create the certification program and make people think that there are so many mod_perl programmers that we there was a need for a certification -- which will bring to the interest, since people believe that if someone is running certification program it must be good. And then once started to learn Perl/mod_perl he is actually going to realize that it's good indeed. Overall Stas I think more aticles in the general IT press be it ezines or in paper is the way to go to raise the profile. Yeah, but I don't seem to make other interested. I don't know why. Folks are too busy I guess. As an aside whats happening to perl month ? as this appears to be exactly the sort of thing we need. I don't know. Baiju told me back in August that he resumes the functionality but he has dissapeared since then. I'll try to reach him. _ Stas Bekman JAm_pH -- Just Another mod_perl Hacker http://stason.org/ mod_perl Guide http://perl.apache.org/guide mailto:[EMAIL PROTECTED] http://apachetoday.com http://jazzvalley.com http://singlesheaven.com http://perl.apache.org http://perlmonth.com/ - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: RFC: mod_perl advocacy project resurrection
On Fri, 8 Dec 2000, harilaos wrote: One simple question please. How do you differentiate between perl programmers amd Mod_perl programmers? If you are in a public transportation and you happen to overhear this kind of discussion: "...all children were running and refused to respond. I've tried to killed them but in vain, they refused to die, and were just hanging there. So I've killed their parent and the children have gone for good. Next time I'd know to kill the parent first..." Ask the guys whether they are available, because you have a job for them, but do it discreetly... _ Stas Bekman JAm_pH -- Just Another mod_perl Hacker http://stason.org/ mod_perl Guide http://perl.apache.org/guide mailto:[EMAIL PROTECTED] http://apachetoday.com http://logilune.com/ http://singlesheaven.com http://perl.apache.org http://perlmonth.com/ - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: [ANNOUNCE] new site: scaling mod_perl (+tool: mod_perl + DBD::Oracle)
2. Caching techniques. I know that this is a topic that has been somewhat beaten to a pulp on this list, but it keeps coming up, and I don't know of any place where the current best thinking on the subject has been synthesized. I haven't used any caching techniques yet myself, but I intend to begin caching data at the mod_perl tier in the next version of my application, so I have a very good incentive to synthesize and benchmark various techniques. If folks could just send me pointers to various caching modules and code, I'll test them in a uniform environment and let folks know what I come up with. Or, if someone has already done all that work of testing, I'd appreciate if you could point me to the results. I'd still like to run my own tests, though. Embperl 2.0 will have build in caching. I hope to release the first beta during the next week Gerald - Gerald Richterecos electronic communication services gmbh Internetconnect * Webserver/-design/-datenbanken * Consulting Post: Tulpenstrasse 5 D-55276 Dienheim b. Mainz E-Mail: [EMAIL PROTECTED] Voice:+49 6133 925131 WWW:http://www.ecos.de Fax: +49 6133 925152 - - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: RFC: mod_perl advocacy project resurrection
The mod_perl programmer has no hair left. :) At 11:19 AM 12/8/2000 +, harilaos wrote: One simple question please. How do you differentiate between perl programmers amd Mod_perl programmers? Thanks Stas Bekman wrote: I've dropped my last job, in order to finally finish the mod_perl book, have some rest and make a push to mod_perl. Well best of luck hope you have a good rest - I'll certainly buy the book! :) I see two main streams: 1) Online zines. 2) Conferences. I think that we should start working on locating ezines wanting to publish mod_perl related articles (preferrably for a fee, to give incentives for others to write) and conferences where mod_perl can be relevant. The data is to be collected and distributed to the people who wish to advocate mod_perl, thru written articles and conference classes. I suppose that we will also look for companies who want to order mod_perl classes and find the teachers in the appropriate areas. I think may people could write simple "How to ZXY" in mod_perl. PHP has excellent resources for similar things i.e how to do this or that. Very much like the Perl Cookbook. I am not saying that mod_perl does not have these, and the guide has some excellent examples, but these are often not easy to find and will not attact people half as much as reading a single all-in one atricle. Right, so anybody wants to get famous (well at least a little :), you wrote some cool code snippet -- describe the gist, attach the source and let others look over it. Sort of WebTechniques columns by Randal. May be we could organize some certification classes, to give more PR to mod_perl. Not wishing to sound negative - but certification more often causes problems - MCSE's a case in point. well, may be. Obviously we don't need certifications when we cannot find mod_perl programmers at all. I just thought about it as the counter-intuitive solution -- create the certification program and make people think that there are so many mod_perl programmers that we there was a need for a certification -- which will bring to the interest, since people believe that if someone is running certification program it must be good. And then once started to learn Perl/mod_perl he is actually going to realize that it's good indeed. Overall Stas I think more aticles in the general IT press be it ezines or in paper is the way to go to raise the profile. Yeah, but I don't seem to make other interested. I don't know why. Folks are too busy I guess. As an aside whats happening to perl month ? as this appears to be exactly the sort of thing we need. I don't know. Baiju told me back in August that he resumes the functionality but he has dissapeared since then. I'll try to reach him. _ Stas Bekman JAm_pH -- Just Another mod_perl Hacker http://stason.org/ mod_perl Guide http://perl.apache.org/guide mailto:[EMAIL PROTECTED] http://apachetoday.com http://jazzvalley.com http://singlesheaven.com http://perl.apache.org http://perlmonth.com/ - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] __ Gunther Birznieks ([EMAIL PROTECTED]) eXtropia - The Web Technology Company http://www.extropia.com/ - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Test -- Please Ignore
-- Half of all epigrams exaggerate, and this is one of them. - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: [ANNOUNCE] new site: scaling mod_perl (+tool: mod_perl + DBD::Oracle)
On Fri, Dec 08, 2000 at 05:47:00AM -0500, Ed Park wrote: So far, I've written up a basic scaling framework, and I've posted a particular development profiling tool that we wrote to capture, time, and explain all SQL select queries that occur on a particular page of a mod_perl + DBD::Oracle application: -http://www.lifespree.com/modperl/explain_dbitracelog.pl The docs should at least mention the ora_explain tool from Alan Burlison (a Sun performance guy) that's included in the DBD::Oracle distribution. It'll let you and and explain the queries that are _actually_ slow or expensive, in priority order, rather than drown in the explain plans of many queries. Tim. - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: RFC: mod_perl advocacy project resurrection
[EMAIL PROTECTED] wrote: On Thu, 7 Dec 2000, Matt Sergeant wrote: snippage I'd love that. In fact anything that anyone had waiting to go onto PerlMonth please drop a mail to [EMAIL PROTECTED] and we'll get you published. (assuming that PerlMonth isn't going to resurrect itself) Actually its kinda has been resurrected. Or it will be on the upcoming monday. There are a lot of mod_perl articles on PelrMonth and it will continue. Next issue has an article by Stas and Gerald Richter. As far as articles are concerned perlmonth.com has about 20 or so mod_perl related articles. I know I've kinda been absent for some time. And I want to publicly apologize to the readers and the writers. Hurray ! Can I say thanks - I like perl month! Is the HTML::Template part 2 in there ? Is it back for "good" (good = 3 plus months ?) Greg But the next issue will be out upcoming monday. I am also contemplating on starting www.apachemonth.com, and looking for someone to possibly write mod_perl related articles on such topics like, handling different phases of Apache with mod_perl, writing PerlTransHandlers, explanations on *Handlers, stuff that is more closely related to Apache, rather than templating solutions and such, which serve better under PerlMonth. If anyone is interested in that please drop me a line or two. - Baiju Thakkar http://www.perlmonth.comhttp://www.linuxmonth.com Just use Perl; #!/boot/linux - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Protecting the soucecode
Hi, My boss is constantly complaining about, that the sourcecode for mod_perl script can be read, copied and altered by 3rd party hosting partners for our solutions based on mod_perl. So my question is, are there any way to encrypt or compile mod_perl script, so that they cannot be view by anybody? // Per Moeller - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
RE: Protecting the soucecode
Hi Stas Answered this last May http://www.bitmechanic.com/mail-archives/modperl/May1999/0249.html You could also try RJ's Perl Obfuscator (first result from Google searching for perl obfuscator) I haven't tried either of these. We usually print the source code and post it to ourselves via registered mail, one script per envelope. These should then be deposited at a bank, lawyer, or similar. In the event of a dispute, the print out is admisible in court as evidence. We haven't used it yet, but songwriters use the same system. John Reid OpenConnect (Ireland) Ltd -Original Message- From: Per Moeller [mailto:[EMAIL PROTECTED]] Sent: 08 December 2000 14:04 To: [EMAIL PROTECTED] Subject: Protecting the soucecode Hi, My boss is constantly complaining about, that the sourcecode for mod_perl script can be read, copied and altered by 3rd party hosting partners for our solutions based on mod_perl. So my question is, are there any way to encrypt or compile mod_perl script, so that they cannot be view by anybody? // Per Moeller - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] --- Incoming mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.215 / Virus Database: 101 - Release Date: 16/11/2000 --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.215 / Virus Database: 101 - Release Date: 16/11/2000 - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: Alliance? WAS - Re: RFC: mod_perl advocacy project resurrection
At 08:13 08/12/2000 +0800, Gunther Birznieks wrote: The could be although ActiveState has a product that competes with mod_perl on the NT side called PerlEx. What is too bad about the silence about the relationship is that PerlEx as a product could really benefit from evolving upon the back of a mod_perl code base. In addition to that, they also have Zope-Perl, which iirc is run for AS by Gisle Aas, who probably knows a lot about mod_perl. Now if AS would support mod_perl, they'd get a very broad range of products for the dynamic server marketplace. That could be a good argument for them support mod_perl. -- robin b. Paranoids are people, too; they have their own problems. It's easy to criticize, but if everybody hated you, you'd be paranoid too. - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: mod_perl advocacy project resurrection
Matthew Kennedy writes: If I were developing an application which fit well into the two-tier model however, a mod_perl based plan would be my first preference -- development time is shorter than JSP/Servlet and maintainability is _at_least_ comparible. I would add that the "java is easier to maintain" issue is IMHO the biggest myth of java. I've seen a bunch of over-engineered java the past couple of years and when something goes wrong, be afraid! :) -- [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: Certification
The need for certification is a symptom of different problem, which is that the interview process has become too casual. Interviewers are uncomfortable asking the tought questions so they resort to asking the candidate about his hobbies etc. Many years ago a friend of mine who interviewed for HP told me that he had to take a test and was grilled intensely by serveral engineers in sequence before getting hired. Some one even made him solve a partial differential equation on the spot! (this was an RD job) He said that he had never sweated that much during any of his exams in college :) I think the best system might be for each company to design a 15 minute test with a dozen questions skewed to their particular needs and see how the applicant does. It could even be a slightly longer take home test with follow up during the interview process. Tougher the interview, the better the guage of how the person will do under pressure. The certification process is a responsibility for which the companies are passing the buck on (literally speaking) to the testing firms. bakki -- _ _ .-. |M|S| Bakki Kudva |D|_|a|y| Navaco |o|m|n|s|\420 Pasadena Drive |c|e|a|t| \\ Erie, PA 16505-1037 |u|n|g|e| \\ http://www.navaco.com/ | |T|e|m| \ ph: 814-833-2592 "" fax:603-947-5747 e-Docs - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Sys::Signal Weirdness
This is slightly off topic, but my guess is Sys::Signal is mostly used by
mod_perl people. Can someone else test this on their machine?
I have this weird problem where I'm not catching $SIG{ALRM}. The test code
below is a simple alarm handler that looks like this:
eval {
local $SIG{__DIE__};
if ( $timeout ) {
my $h = Sys::Signal-set(
ALRM = sub { die "Timeout after $timeout seconds\n" }
);
warn "Set Signal $h\n";
alarm $timeout;
}
print "Test 1 Parent reading: $_" while FH;
alarm 0 if $timeout;
};
This isn't working -- but if I simply comment out the if ( $timeout ) block
it works.
Here's the output on my machine.
perl test.pl
Starting test2 - WITHOUT 'if ( $timeout )'
Set Signal Sys::Signal=SCALAR(0x810d120)
in child loop 12423
Test 2 Parent reading: 1
Test 2 Parent reading: 2
Test 2 Parent reading: 3
Timeout after 4 seconds --- good!
Starting test1 - with 'if ( $timeout )'
Set Signal Sys::Signal=SCALAR(0x810d12c)
in child loop 12424
Test 1 Parent reading: 1
Test 1 Parent reading: 2
Test 1 Parent reading: 3
Alarm clock --- huh?
Here's some cut-n-paste test code. This is what I get on Linux under 5.6.
#!/usr/local/bin/perl -w
use strict;
test2();
test1();
$|= 1;
use Sys::Signal;
sub test1 {
warn "\nStarting test1 - with 'if ( \$timeout )'\n";
my $child = open( FH, '-|' );
die unless defined $child;
loop() unless $child; # not that this works
my $timeout = 4;
eval {
local $SIG{__DIE__};
if ( $timeout ) {
my $h = Sys::Signal-set(
ALRM = sub { die "Timeout after $timeout seconds\n" }
);
warn "Set Signal $h\n";
alarm $timeout;
}
print "Test 1 Parent reading: $_" while FH;
alarm 0 if $timeout;
};
if ( $@ ) {
warn $@;
kill( 'HUP', $child );
}
}
sub test2 {
warn "\nStarting test2 - WITHOUT 'if ( \$timeout )'\n";
my $child = open( FH, '-|' );
die unless defined $child;
loop() unless $child;
my $timeout = 4;
eval {
local $SIG{__DIE__};
### if ( $timeout ) {
my $h = Sys::Signal-set(
ALRM = sub { die "Timeout after $timeout seconds\n" }
);
warn "Set Signal $h\n";
alarm $timeout;
### }
print "Test 2 Parent reading: $_" while FH;
alarm 0 if $timeout;
};
if ( $@ ) {
warn $@;
kill( 'HUP', $child );
}
}
sub loop {
$|=1;
my $x;
warn "in child loop $$\n";
sleep 1, ++$x, print "$x\n" while 1;
}
Bill Moseley
mailto:[EMAIL PROTECTED]
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[BUG] Apache 1.3.14 front-end-back-end weirdness.
Hello!
I tried to migrate to Apache 1.3.14 from 1.3.12 ...
Heh.
After recompiling apache and starting the server with the same config get
400 Bad request on any request to mod_perl back-end server. Static html and
images are returned ok.
Some time was spent for hunting the problem.
Turn on rewriting log with level 9.
RewriteEngine On
RewriteLogLevel 9
RewriteLog /var/apache/simple_d/logs/rewrite.log
RewriteMap ports txt:/usr/local/apache/conf/port_d.map
RewriteRule ^/(.*\.s?asp)$ http://$host:${ports:%{SERVER_PORT}|8081}/$1
[P,L]
Request
/paper/test.asp
translated to
http://www.samara.ru:|8081}/paper/test.asp
It seems that mod_rewrite processes nested back references not correctly.
Just meets first closing brace and consider it as back reference.
I saw mod_rewrite fixes in CHANGES list, but it seems to be a candidate for
new fix.
During this hunting I found another security hole of my config...
http://forum.swarthmore.edu/epigone/modperl/shugrendbax/24191847.NAA4593
[EMAIL PROTECTED]
Proxy hijakers used my site very active, althoug in config was
RewriteRule ^proxy:.* - [F]
Fixed via ProxyRequests off...
--
Sergey Polyakov - chief of WebZavod
http://www.webzavod.ru
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RE: [certification]
-Original Message- From: Gunther Birznieks [mailto:[EMAIL PROTECTED]] "Obviously they still have to be technically interviewed, but in lieu of someone with or without certification, it's easier to short-list on the basis of such certification (or some equivalent outstanding thing such as contributing to CPAN)." If you are 'short-listing' based on certification, you may be missing your best candidates... David Hill - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: Sys::Signal Weirdness
On Fri, 8 Dec 2000, Bill Moseley wrote:
This is slightly off topic, but my guess is Sys::Signal is mostly used by
mod_perl people. Can someone else test this on their machine?
That's on-topic, Sys::Signal was written by Doug especially for mod_perl
:) Its use should go away when 5.6.1 will be released.
I have this weird problem where I'm not catching $SIG{ALRM}. The test code
below is a simple alarm handler that looks like this:
eval {
local $SIG{__DIE__};
if ( $timeout ) {
my $h = Sys::Signal-set(
ALRM = sub { die "Timeout after $timeout seconds\n" }
);
warn "Set Signal $h\n";
alarm $timeout;
}
print "Test 1 Parent reading: $_" while FH;
alarm 0 if $timeout;
};
This isn't working -- but if I simply comment out the if ( $timeout ) block
it works.
Easy. Look at $h -- it's a lexically scoped variable, inside the block
if($timeout){}. Of course when the block is over the setting disappears,
when $h gets DESTROYed.
_
Stas Bekman JAm_pH -- Just Another mod_perl Hacker
http://stason.org/ mod_perl Guide http://perl.apache.org/guide
mailto:[EMAIL PROTECTED] http://apachetoday.com http://logilune.com/
http://singlesheaven.com http://perl.apache.org http://perlmonth.com/
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Re: mod_perl training (was Re: Certification)
"Randal L. Schwartz" wrote: But here's the reality of trainings. You need to get 10 to 20 people in a room at the same time that are all starting roughly at the same skill level and also want to end up in the same place. And then you need to do that about 8 to 20 times with the same slide set before you break even, because the cost of producing the materials is pretty high: figure one to three DAYS of research for every HOUR of face time in the classroom. I've been lucky enough to "inherit" (as a subcontractor) sets of Perl training materials put together by a really decent guy named James. I shudder to think of the time investment he made in creating that stuff. He and I have talked from time to time about revising/updating the existing materials, and maybe even creating some new courses, but how to find the time... Mod_perl is a topic I'd really like to work on -- both in terms of teaching and also in putting together the training materials to begin with. I've yet to figure out the "magic formula" to make this work, though. I can't figure out where the "start" and "finish" are with mod_perl that would make sense for 80 to 400 people. It's not core techology, like the llama. We target the llama as how you would want ANY perl hacker to spend their first 30 hours. But what 20-30 hours are *common* for any mod_perl hacker? And what do you do for pre-reqs? These are all really good points. One other slightly-more-minor consideration when it comes to teaching a Perl course is system set-up. If you control the training environment, (ie. you have your own classroom and students come out to it) then this isn't a problem. But if you teach at the client's location, then it can be an issue trying to get their machines configured to the point where you can actually have workshops on what you teach. Mod_perl is a biggie in terms of the kind of setup you have to do: you need a lot of Perl modules installed on the machine, a recent version of Perl, source-code level acceses to building Apache, and not just the time needed to do this to a classroom full of computers, but also _permission_. That all said, I'm sure there will be mod_perl courses available somehow, someday. 5000(0(0?)?) mod_perl hackers can't be wrong. :-) Cheers, Richard -- Richard Dice * Personal 519 635 9568 * Fax 519 635 9569 ShadNet Creator * http://shadnet.shad.ca/ * [EMAIL PROTECTED] Occasional Writer, HotWired * http://www.hotwired.com/webmonkey/ "squeeze the world 'til it's small enough to join us heel to toe" - jesus jones - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: RFC: mod_perl advocacy project resurrection
On Fri, 8 Dec 2000, Greg Cope wrote: I'd love that. In fact anything that anyone had waiting to go onto PerlMonth please drop a mail to [EMAIL PROTECTED] and we'll get you published. (assuming that PerlMonth isn't going to resurrect itself) Actually its kinda has been resurrected. Or it will be on the upcoming monday. There are a lot of mod_perl articles on PelrMonth and it will continue. Next issue has an article by Stas and Gerald Richter. As far as articles are concerned perlmonth.com has about 20 or so mod_perl related articles. I know I've kinda been absent for some time. And I want to publicly apologize to the readers and the writers. Hurray ! Can I say thanks - I like perl month! You're welcome and Thank you for reading :) Is the HTML::Template part 2 in there ? I had contacted Sam Tregar about 3 weeks ago. I didn't get a respond. It won't be for this issue, but I'll try to get Part 2 for the next issue. Sam, if you're reading this, drop me a note. Is it back for "good" (good = 3 plus months ?) Yes, Definately. - Baiju Thakkar http://www.perlmonth.comhttp://www.linuxmonth.com Just use Perl; #!/boot/linux - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
WWW and PROXY auth when using Apache as authetifying reverse-proxy
Hello all. I'm using Apache's latest version (1.3.14) and it seems I hit a wall someone has met before me. Basically the problem is as follows: - I have a reverse proxy that works just fine thanks to ProxyPass and ProxyPassReverse. Let's call him "rproxy". He "hides" a http server, I'll call "server". - when I ask for authentication on a resource located on "server" (using either Location or Directory in the httpd.conf file of "rproxy"), "rproxy" sends a PROXY auth to the client. I would expect a HTTP auth request... Problem is that I want the PROXY to authenticate the user, not the back-end server. This problem has been identified and patched in a previous release (mail from Graham Leggett ([EMAIL PROTECTED], but unfortunately the address is not valid anymore), Date: Tue May 04 1999 - 04:49:47 EDT) ans is mentionned in http://perl.apache.org/guide/scenario.html#HTTP_Authentication_With_Two_Ser. The latest document claims that "In the configuration file your Auth configuration directives need to be inside the Directory ... ... /Directory sections because if you use the section Location ... ... /Location the proxy server will take the authentication information for itself and not pass it on. " But I've tried Directory, Location (dirname), Location (urlname) with very limited success... Has someone managed to make this work? Thanks in advance... Jean-Pierre Morant Office: +32 (0)2 2996751 Mobile: +32 (0)478 201505 Fax:+32 (0)2 296085 [EMAIL PROTECTED] [EMAIL PROTECTED] #include std.disclaimer.h #define MOTTO "La vie serait tellement plus belle si seulement nous avions les sources!" - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
RE: [certification]
You miss the point. It's not about credentials in a boolean sense. It's about probability and statistics. That's exactly true - in fact I'd go so far to say that the probably and statistics vary for each type of certification. I trust an M.D.'s certification far greater than I trust an MCSE certification, because I can be pretty sure the doctor completed his education and had to actually think a little to accomplish that. The MCSE, not so much. A few months of memorization (quickly forgotten) does not mean the same as 7 years in med school. It all comes down to what certifications the employer trusts. We (in effect the M.D.'s employer) trust their medical degree. Not because some company ran a marketing campaign to tell us that we should, but from our own experience, and the experience of others. However, Microsoft simply runs an ad campaign telling employers that they can trust MCSE's - and why should they believe otherwise? 8^( Steve - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: Sys::Signal Weirdness
At 04:42 PM 12/08/00 +0100, Stas Bekman wrote:
Easy. Look at $h -- it's a lexically scoped variable, inside the block
if($timeout){}. Of course when the block is over the setting disappears,
when $h gets DESTROYed.
Doh! I thought about that (which is why I was printing $h). I shouldn't
debug before sunrise.
Sure is nice to have you back, Stas! ;)
Bill Moseley
mailto:[EMAIL PROTECTED]
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Re: [BUG] Apache 1.3.14 front-end-back-end weirdness.
On Fri, Dec 08, 2000 at 07:23:08PM +0400, BeerBong wrote:
Hello!
I tried to migrate to Apache 1.3.14 from 1.3.12 ...
Heh.
After recompiling apache and starting the server with the same config get
400 Bad request on any request to mod_perl back-end server. Static html and
images are returned ok.
Some time was spent for hunting the problem.
Turn on rewriting log with level 9.
RewriteEngine On
RewriteLogLevel 9
RewriteLog /var/apache/simple_d/logs/rewrite.log
RewriteMap ports txt:/usr/local/apache/conf/port_d.map
RewriteRule ^/(.*\.s?asp)$ http://$host:${ports:%{SERVER_PORT}|8081}/$1
[P,L]
Request
/paper/test.asp
translated to
http://www.samara.ru:|8081}/paper/test.asp
It seems that mod_rewrite processes nested back references not correctly.
Just meets first closing brace and consider it as back reference.
Hello,
I observed the same problem with nested ${}/%{} statements such as
RewriteMap actrlprg:/usr/local/apache-1.3.12/bin/rewrite-map.pl
RewriteRule ^/(ac-)?adm/?(.*)$ ${actrl:%{HTTP:Authorization}#a#/ac-adm/$2} [PT,L]
(... -- details irrelevant here) ^
what seems to be causing the problem is that the brace directly
following "Authorization" is interpreted as the closing brace for "${"
instead of "%{".
From a quick glance at the code I would say that the strchr() in line 2261
of rewrite.c (the one distributed with 1.3.14) is responsible for this...
I don't know if nested statements such as these are by intention no
longer supported since the recent security-related patch (?)
Perhaps someone more knowledgable could comment on this -- thanks!
--
Erdmut Pfeifer
science+computing gmbh
-- Bugs come in through open windows. Keep Windows shut! --
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Re: debuggers
"Dave" == Dave Rolsky [EMAIL PROTECTED] writes:
Dave On Thu, 7 Dec 2000, martin langhoff wrote:
I wonder how do those hardcore guys that develop using handlers
debug. Mhhh. They must write 'perlfect' code, I guess, and/or
understand those cryptic debuggers ...
Dave I just do a lot of debugging via warn statements and looking
Dave at the error logs.
My BEGIN block looks like this. I realize IO is rather bulky, but I
like it and the environment I'm in isn't *that* busy where it makes a
significant impact.
BEGIN {
# Wash the PATH.
$ENV{'PATH'} = '/opt/gnu/bin:/usr/local/bin:/usr/bin';
$ENV{'CDPATH'} = '';
$ENV{'ENV'} = '';
use IO::File;
use CGI::Carp qw(carpout fatalsToBrowser carp);
use Savvy::Conf qw(:WWWBasic);
my $log = 1;
my $logfile = "/www/cgi-logs/cgi-log";
if ($log) {
my $LOG = IO::File-new(" $logfile") or
Savvy::Conf::cab("Unable to open $logfile for writing: $!\n");
# Dupe STDERR. Original is SAVEERR.
carpout($LOG);
}
}
Then I 'tail -f' the $logfile, the Apache server error_log, and watch
watever comes to the broswer due to the fatalsToBrowser. Works well for
me.
The '$r-log_reason' finds a home in my code as well.
Plus, I *always* use '-w' and '-T' and get them cleanly working during
development phases, although I shut them off for actual deployment.
Peace.
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Re: debuggers
On Fri, 8 Dec 2000, Bruce W. Hoylman wrote:
"Dave" == Dave Rolsky [EMAIL PROTECTED] writes:
Dave On Thu, 7 Dec 2000, martin langhoff wrote:
I wonder how do those hardcore guys that develop using handlers
debug. Mhhh. They must write 'perlfect' code, I guess, and/or
understand those cryptic debuggers ...
Dave I just do a lot of debugging via warn statements and looking
Dave at the error logs.
My BEGIN block looks like this. I realize IO is rather bulky, but I
like it and the environment I'm in isn't *that* busy where it makes a
significant impact.
BEGIN {
# Wash the PATH.
$ENV{'PATH'} = '/opt/gnu/bin:/usr/local/bin:/usr/bin';
$ENV{'CDPATH'} = '';
$ENV{'ENV'} = '';
use IO::File;
use CGI::Carp qw(carpout fatalsToBrowser carp);
^^^
Bye bye exception handling.
--
Matt/
/||** Director and CTO **
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// ||** http://axkit.org ** ** XSLT, XPathScript, XSP **
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Re: debuggers
Plus, I *always* use '-w' and '-T' and get them cleanly working during development phases, although I shut them off for actual deployment. 1. You cannot use -T under mod_perl, you should use PerlTaintCheck instead: http://perl.apache.org/guide/porting.html#Taint_Mode 2. 'PerlTaintCheck On' is a must in production!!! not development: * http://www.gunther.web66.com/FAQS/taintmode.html * perldoc perlsec _ Stas Bekman JAm_pH -- Just Another mod_perl Hacker http://stason.org/ mod_perl Guide http://perl.apache.org/guide mailto:[EMAIL PROTECTED] http://apachetoday.com http://logilune.com/ http://singlesheaven.com http://perl.apache.org http://perlmonth.com/ - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: debuggers
"SB" == Stas Bekman [EMAIL PROTECTED] writes: SB 2. 'PerlTaintCheck On' is a must in production!!! not development: Huh?!?!?!? It is a must always. You can't develop without it and then expect it to work with taint checking on at a later time. -- =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= Vivek Khera, Ph.D.Khera Communications, Inc. Internet: [EMAIL PROTECTED] Rockville, MD +1-240-453-8497 AIM: vivekkhera Y!: vivek_khera http://www.khera.org/~vivek/ - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
RFC: Apache::Thumbnail - Generate image thumbnails on the fly
Hi - Attached is an Apache module to automatically generate cache thumbnail images. It uses Image::Magick (http://www.simplesystems.org/ImageMagick/) and File::Path (CPAN) and runs quickly enough to be useful on my Apache/mod_perl machine. It's my first proper handler, so let me know if there are any glaring ommissions or bugs! :) Otherwise, if it's of use to anyone else, should I package this up and submit it to CPAN as v1.0? Comments welcome! Rufus. Thumbnail.pm - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
mod_perl IPC under Solaris 7
Hi, Anyone here any good with debugging IPC "No space left on device" errors? I can't find anything on the web or in deja, and am basically at a loss. Using Storable 0.703 and ShareLite 0.08 I'm getting a lot of the above errors when I have around 40 httpd children. Has anyone else used IPC under mod_perl and had the same errors? I can't even seem to find out what it is I'm running out of .. Thanks, -- steven - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: mod_perl IPC under Solaris 7
On Friday, December 8, 2000, at 12:10 PM, Steven Cotton wrote: Anyone here any good with debugging IPC "No space left on device" errors? I can't find anything on the web or in deja, and am basically at a loss. Using Storable 0.703 and ShareLite 0.08 I'm getting a lot of the above errors when I have around 40 httpd children. Has anyone else used IPC under mod_perl and had the same errors? I can't even seem to find out what it is I'm running out of .. I suppose the first place to look is to use the Solaris commands ipcs and ipcrm... Also, I believe you have to update the kernerl parameters for shared memory. The default is pretty skimpy. Look at adding things like: set shmsys:shminfo_shmmax=33554432 set shmsys:shminfo_shmmin=1 set shmsys:shminfo_shmmni=100 set shmsys:shminfo_shmseg=10 set semsys:seminfo_semmns=400 set semsys:seminfo_semmni=140 set semsys:seminfo_semmnu=200 to /etc/system. Cheers, Mark Mark Doyle Manager, Project Development The American Physical Society - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: debuggers
On Fri, 8 Dec 2000, Bruce W. Hoylman wrote:
"Matt" == Matt Sergeant [EMAIL PROTECTED] writes:
Matt On Fri, 8 Dec 2000, Bruce W. Hoylman wrote:
use IO::File;
use CGI::Carp qw(carpout fatalsToBrowser carp);
Matt Bye bye exception handling.
You mean eval{} block exception handling, or something else? What are
the technical specifics around this assertion?
Thanks! Maybe I'll learn something here, which is why I posted it in
the first place.
http://perl.apache.org/guide/perl.html#Exception_Handling_for_mod_perl
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Re: debuggers
"Stas" == Stas Bekman [EMAIL PROTECTED] writes: Plus, I *always* use '-w' and '-T' and get them cleanly working during development phases, although I shut them off for actual deployment. Stas 1. You cannot use -T under mod_perl, you should use StasPerlTaintCheck Stas instead: http://perl.apache.org/guide/porting.html#Taint_Mode This is what I was referring to actually. However, there are many modules, such as Date::Manip, for example, that just will not load with taint checking turned on. In an intranet, it's not as big a deal as it certainly is in the 'real world'. But what can I do, short of rewritting the parts of the module that don't function in with checking on Stas 2. 'PerlTaintCheck On' is a must in production!!! not Stasdevelopment: Stas * http://www.gunther.web66.com/FAQS/taintmode.html Stas * perldoc perlsec Thanks for the input. Peace. - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: mod_perl training (was Re: Certification)
In a message dated 12/8/00 10:48:13 AM Eastern Standard Time, [EMAIL PROTECTED] writes: I can't figure out where the "start" and "finish" are with mod_perl that would make sense for 80 to 400 people. It's not core techology, like the llama. We target the llama as how you would want ANY perl hacker to spend their first 30 hours. But what 20-30 hours are *common* for any mod_perl hacker? And what do you do for pre-reqs? Make the course for someone who knows whatever intermediate perl, knowing basic C will help the student. Combine it with and advanced perl course. Cover.. 1. Using Perl to Configure Apache 2. .xs programming, and When to use It 3. Callback functions and what that means for signals 4. the mod_perl API 5. briefly, using apxs 5. "Fall back to" secure settings. CERT's safe CGI, Exec/CGI, suexec, tcpd-wrappers, mod_ssl, anyone who runs anything under Apache::Registry has X privs 6. A sample mod_perl module (trans, Acc/Auth/Authz, fixup) 7. BlockRobot Timer et cetera as time allows
Re: [ANNOUNCE] new site: scaling mod_perl (+tool: mod_perl +DBD::Oracle)
On Fri, 8 Dec 2000, Perrin Harkins wrote: 1. Performance benchmarking code. In particular, I'm looking for tools that can read in an apache log, play it back realtime (by looking at the time between requests in the apache log), and simulate slow simultaneous connections. I've started writing my own, but it would be cool if something else out there existed. The mod_backhand project was developing a tool like this called Daquiri. I also have a tool here that you install as a TransHandler, and it reads querystring and POST data [*] and saves it to an XML log file, then it appends to the PerlHandler phase and dumps the output that would go to the browser to the same XML log file (of course this requires the output to be stored somewhere, like Apache::Filter does, rather than printed direct to the browser). Then there's a little playback tool. Its a bit specific to the app I'm working on, because there's code in place to make Apache::Request a singleton and also collect the output, but I could be persuaded to open it up to people. [*] using Apache::Request at the moment - but we need to modify Apache::Request to be a singleton as it can't be instantiated twice in the same application at the moment. -- Matt/ /||** Director and CTO ** //||** AxKit.com Ltd ** ** XML Application Serving ** // ||** http://axkit.org ** ** XSLT, XPathScript, XSP ** // \\| // ** Personal Web Site: http://sergeant.org/ ** \\// //\\ // \\ - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: debuggers
On Fri, 8 Dec 2000, Bruce W. Hoylman wrote:
"Matt" == Matt Sergeant [EMAIL PROTECTED] writes:
Matt On Fri, 8 Dec 2000, Bruce W. Hoylman wrote:
use IO::File;
use CGI::Carp qw(carpout fatalsToBrowser carp);
Matt Bye bye exception handling.
You mean eval{} block exception handling, or something else? What are
the technical specifics around this assertion?
fatalsToBrowser installs a $SIG{__DIE__} handler, and so prevents you from
properly using eval{} blocks, or nice modules like Error.pm or
Class::Exception (or whichever way around Dave has it this week :-)
See my rant, erm, section in the guide on exception handling.
--
Matt/
/||** Director and CTO **
//||** AxKit.com Ltd ** ** XML Application Serving **
// ||** http://axkit.org ** ** XSLT, XPathScript, XSP **
// \\| // ** Personal Web Site: http://sergeant.org/ **
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Re: mod_perl advocacy project resurrection
On Fri, 8 Dec 2000, Keith G. Murphy wrote: Stas Bekman wrote: Let me stright things out a bit, so you won't get misleaded by my post as a marketing call. What we want is very simple. 1. We want many users, so they will thoroughly test the software and spot bugs asap, so we -- current users will get a better product. 2. We want more developers, so they will write core mod_perl and 3rd party modules, again for us current users to re-use and save development time. [cut] It strikes me that there might be a route not yet taken to increase *availability* of mod_perl. Think about all the ISPs that host personal and small business web sites. How many of them run Apache and allow their customers to code Perl scripts? This route is partially taken. I've addressed these issue in one of the previous articles http://apachetoday.com/news_story.php3?ltsn=2000-11-27-001-01-OS-LF-PL And if you have an ISP that you want to become aware of mod_perl (and learn about problems and solution) please point them to this article. Earthlink (which is huge), for one. Yet it doesn't have mod_perl installed. But if it did, both Earthlink itself and the customers might see performance benefits from Apache::Registry scripting. The two biggest obstacles I see to this: (1) Have to have a *reliable* way for customers to reload their Registry scripts. Here's where some development work might be needed. (2) It might be argued that anything that *needs* Registry is too heavy-duty for the ISP to want it running anyway. Thoughts? (I wonder if it might be possible to enlist the Apache folks to campaign for this as well, since anything that keeps out the dread IIS is desirable). What do you mean by enlisting the Apache folks? When is the demostration :) The real question is for someone to undertake the Safe module and make it working for mod_perl. I think we have discussed this before. I don't remember what was the conclusion. _ Stas Bekman JAm_pH -- Just Another mod_perl Hacker http://stason.org/ mod_perl Guide http://perl.apache.org/guide mailto:[EMAIL PROTECTED] http://apachetoday.com http://logilune.com/ http://singlesheaven.com http://perl.apache.org http://perlmonth.com/ - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: mod_perl IPC under Solaris 7
Well, I ended up trussing the processes: semop(0, 0xFF0C4E70, 3) Err#28 ENOSPC man semop produces: ENOSPCThe limit on the number of individual processes requesting an SEM_UNDO would be exceeded. So, I thought changing the shminfo_semmnu to a higher value would solve it, since I have more than 30 httpd processes (semmnu default). No, error persists. This isn't a mod_perl problem anymore so will be my last post, but if anyone has any ideas they're greatfully received. Cheers, -- steven 1; - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: debuggers
On Fri, 8 Dec 2000, Bruce W. Hoylman wrote:
"Stas" == Stas Bekman [EMAIL PROTECTED] writes:
Plus, I *always* use '-w' and '-T' and get them cleanly working
during development phases, although I shut them off for actual
deployment.
Stas 1. You cannot use -T under mod_perl, you should use
StasPerlTaintCheck
Stas instead: http://perl.apache.org/guide/porting.html#Taint_Mode
This is what I was referring to actually. However, there are many
modules, such as Date::Manip, for example, that just will not load with
taint checking turned on. In an intranet, it's not as big a deal as it
certainly is in the 'real world'.
You should contact the author of the module and ask him to fix it. It's
possible that he doesn't aware of the taint issues. Usually for modules
that execute shell/fork but don't pass any tainted args, the fix is as
trivial as adding:
$ENV{'PATH'} = '/bin:/usr/bin';
delete @ENV{'IFS', 'CDPATH', 'ENV', 'BASH_ENV'};
(taken from perlsec manpage)
Hmm, may be we should find a way for modules to be taint checked before
these are allowed to CPAN? What do you think? sort of:
eval {`perl -cwT $_` for (*.pm) };
But what can I do, short of rewritting the parts of the module that
don't function in with checking on
Stas 2. 'PerlTaintCheck On' is a must in production!!! not
Stasdevelopment:
Stas * http://www.gunther.web66.com/FAQS/taintmode.html
Stas * perldoc perlsec
Thanks for the input.
You are very welcome :)
Peace.
Sex, drugs and rock-n-roll!
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IPC Linux -- WAS [Re: mod_perl IPC under Solaris 7]
I have been looking for where I can set this setting in (redhat) linux-- anyone have any pointers? ipcs, ipcrm are there, but i don't have an etc/system. very little documentation on this for linux (or bsd) that i could find. Tom At 06:29 PM 12/8/00 +0100, Steven Cotton wrote: On Fri, 8 Dec 2000, Mark Doyle wrote: I suppose the first place to look is to use the Solaris commands ipcs and ipcrm... Also, I believe you have to update the kernerl parameters for shared memory. The default is pretty skimpy. Look at adding things like: to /etc/system. Yes, I have made some changes there. I have: set shmsys:shminfo_shmmax = 8388608 set shmsys:shminfo_shmmni = 10240 set shmsys:shminfo_shmseg = 512 The man page for shmget says that for ENOSPC a shared memory identifier is to be created but the system imposed limit on the maximum number of allowed identifiers would be exceeded. I have set shmmni to 102400 and had the same error. Can I actually see how many identifiers I have at one time, and which processes are creating them? Thanks, -- steven - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: mod_perl IPC under Solaris 7
Here's my long-winded setup. I'm not sure how smart or dumb these settings are, but they work for me on a machine with 1GB or RAM. Note that I had to change the semaphore settings too to get IPC::SharedCache to work without complaint. -John --- * * Shared memory settings changed by John Siracusa 9/19/2000 * * Maximum size of system V shared memory segment that can be * created. This parameter is an upper limit that is checked before the * system sees if it actually has the physical resources to create the * requested memory segment (default 1048576, max MAXINT/MAXINT64) set shmsys:shminfo_shmmax = 8388608 * Minimum size of system V shared memory segment that can be created * (default 1, max amount of physical memory * set shmsys:shminfo_shmmin = 1 * System wide limit on number of shared memory segments that can be * created (default 100, max MAXINT) set shmsys:shminfo_shmmni = 1 * Limit on the number of shared memory segments that any one process * can create (default 6, max 32767) set shmsys:shminfo_shmseg = 1 * * Semaphore settings changed by John Siracusa 9/19/2000 * * Maximum number of semaphore identifiers (default 10, max 65535) set semsys:seminfo_semmni = 6 * Maximum number of System V semaphores on the system (default 60, max MAXINT) set semsys:seminfo_semmns = 50 * Maximum value a semaphore can be set to (default 32767, max 65535) * set semsys:seminfo_semvmx = 6 * Max number of semaphores per semaphore identifier (default 25, max MAXINT) * set semsys:seminfo_semmsl = 100 * Maximum number of System V semaphore operations per semop(2) * call. This parameter refers to the number of sembufs in the sops * array that is provided to the semop() system call (default 10, max MAXINT) * set semsys:seminfo_semopm = 50 * Maximum number of System V semaphore undo structures that can be * used by any one process (default 10, max MAXINT) * set semsys:seminfo_semume = 50 * Maximum value that a semaphore's value in an undo structure can be set to * (default 16385, max 65535) * set semsys:seminfo_semaem = 6 - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: RFC: mod_perl advocacy project resurrection
--- Nathan Torkington [EMAIL PROTECTED] wrote: [snip] I'd rather see us find some way to churn out perl and mod_perl programmers. For instance, release a beginner class on Perl and mod_perl and have local Perlmongers lead classes. I have my slides from the University of Perl, which I'd contribute to such an effort (they're pretty closely based around the Eagle book, and some of the details should be replaced with sections on Mason et al.). Makes sense. How do we drum up business? I went to a local traning firm and offered to teach classes on Perl. The coordinators immediate (and breathlessly excited) response was "Do you teach Java?" Grrr. I could do Perl classes, for beginners to code or hardened veterans of most other languages (yes, even C++ ;o) I don't think I know enough yet to take people's money for mod_perl or Apache in general, but I don't *want* to teach Java. What should I do do convince people that Perl is a Good Thing? Maybe if we offered suitcase classes on sites like monster.com? __ Do You Yahoo!? Yahoo! Shopping - Thousands of Stores. Millions of Products. http://shopping.yahoo.com/ - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: RFC: Apache::Thumbnail - Generate image thumbnails on the fly
On Fri, 8 Dec 2000 [EMAIL PROTECTED] wrote: Hi - Attached is an Apache module to automatically generate cache thumbnail images. It uses Image::Magick (http://www.simplesystems.org/ImageMagick/) and File::Path (CPAN) and runs quickly enough to be useful on my Apache/mod_perl machine. It's my first proper handler, so let me know if there are any glaring ommissions or bugs! :) Otherwise, if it's of use to anyone else, should I package this up and submit it to CPAN as v1.0? Comments welcome! Check out these two first: cpan i /Apache::Album/ Module id = Apache::Album CPAN_USERID WOODY (Jim Woodgate [EMAIL PROTECTED]) CPAN_VERSION 0.94 CPAN_FILEW/WO/WOODY/Apache-Album-0.94.tar.gz INST_FILE(not installed) cpan i /Apache::Magick/ Module id = Apache::Magick DESCRIPTION Image conversion on-the-fly CPAN_USERID MPB (mod_perl book (Doug and Lincoln) [EMAIL PROTECTED]) CPAN_VERSION undef CPAN_FILEContact Author mod_perl book (Doug and Lincoln) [EMAIL PROTECTED] DSLI_STATUS bdpf (beta,developer,perl,functions) INST_FILE(not installed) _ Stas Bekman JAm_pH -- Just Another mod_perl Hacker http://stason.org/ mod_perl Guide http://perl.apache.org/guide mailto:[EMAIL PROTECTED] http://apachetoday.com http://logilune.com/ http://singlesheaven.com http://perl.apache.org http://perlmonth.com/ - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
RE: [ANNOUNCE] new site: scaling mod_perl (+tool: mod_perl + DBD::Oracle)
Please do make it available. The more examples the better. Paul E Wilt Principal Software Engineer XanEdu, Inc. ( a division of Bell+Howell InformationLearning) http://www.XanEdu.com mailto:[EMAIL PROTECTED] mailto:[EMAIL PROTECTED] 300 North Zeeb Rd Phone: (734) 975-6021 (800) 521-0600 x6021 Ann Arbor, MI 48106 Fax:(734) 973-0737 -Original Message- From: Matt Sergeant [mailto:[EMAIL PROTECTED]] Sent: Friday, December 08,2000 12:54 PM To: Perrin Harkins Cc: Ed Park; [EMAIL PROTECTED]; [EMAIL PROTECTED] Subject: Re: [ANNOUNCE] new site: scaling mod_perl (+tool: mod_perl + DBD::Oracle) On Fri, 8 Dec 2000, Perrin Harkins wrote: 1. Performance benchmarking code. In particular, I'm looking for tools that can read in an apache log, play it back realtime (by looking at the time between requests in the apache log), and simulate slow simultaneous connections. I've started writing my own, but it would be cool if something else out there existed. The mod_backhand project was developing a tool like this called Daquiri. I also have a tool here that you install as a TransHandler, and it reads querystring and POST data [*] and saves it to an XML log file, then it appends to the PerlHandler phase and dumps the output that would go to the browser to the same XML log file (of course this requires the output to be stored somewhere, like Apache::Filter does, rather than printed direct to the browser). Then there's a little playback tool. Its a bit specific to the app I'm working on, because there's code in place to make Apache::Request a singleton and also collect the output, but I could be persuaded to open it up to people. [*] using Apache::Request at the moment - but we need to modify Apache::Request to be a singleton as it can't be instantiated twice in the same application at the moment. -- Matt/ /||** Director and CTO ** //||** AxKit.com Ltd ** ** XML Application Serving ** // ||** http://axkit.org ** ** XSLT, XPathScript, XSP ** // \\| // ** Personal Web Site: http://sergeant.org/ ** \\// //\\ // \\ - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: perl's memory leak
On Fri, 8 Dec 2000, mark warren bracher wrote: it seems as if most (if not all) the techniques for checking the size of the current process are _very_ platform specific. on linux you can use Apache::SizeLimit::linux_size_check If you have linux you have (or can have GTop), which gives you an API to do this and many other things. Apache::SizeLimit::linux_size_check is just a custom function that you cannot really re-use (unless you put it into some other module... which is just parsing /proc/self/status. - mark Stas Bekman wrote: On Thu, 7 Dec 2000 [EMAIL PROTECTED] wrote: The output I get is used memory = 0 used memory = 0 used memory = 0 used memory = 0 used memory = 0 I get the same under perl 5.6.0 on linux, looks like BSD::Resource doesn't work there :( Anyone? Use gtop instead (if you have it): use GTop (); print GTop-new-proc_mem($$)-size,"\n"; [snip] _ Stas Bekman JAm_pH -- Just Another mod_perl Hacker http://stason.org/ mod_perl Guide http://perl.apache.org/guide mailto:[EMAIL PROTECTED] http://apachetoday.com http://logilune.com/ http://singlesheaven.com http://perl.apache.org http://perlmonth.com/ - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: debuggers
"Matt" == Matt Sergeant [EMAIL PROTECTED] writes:
Matt On Fri, 8 Dec 2000, Bruce W. Hoylman wrote:
use IO::File;
use CGI::Carp qw(carpout fatalsToBrowser carp);
Matt Bye bye exception handling.
You mean eval{} block exception handling, or something else? What are
the technical specifics around this assertion?
Thanks! Maybe I'll learn something here, which is why I posted it in
the first place.
Peace.
-
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RE: [ANNOUNCE] new site: scaling mod_perl will be movin to the Guide
I've gotten in touch with Stas, and the 'scaling mod_perl' site will eventually be folded into the Guide. woohoo! I'm going to spend several weeks fleshing it out and cleaning it up before it goes in, though. -Ed -Original Message- From: Perrin Harkins [mailto:[EMAIL PROTECTED]] Sent: Friday, December 08, 2000 12:36 PM To: Ed Park; [EMAIL PROTECTED] Cc: [EMAIL PROTECTED] Subject: Re: [ANNOUNCE] new site: scaling mod_perl (+tool: mod_perl + DBD::Oracle) The enterprise mod_perl architectures idea that I posted earlier has evolved into a slightly modified idea: a 'scaling mod_perl' site: http://www.lifespree.com/modperl. The point of this site will be to talk about synthesize techniques for scaling, monitoring, and profiling large, complicated mod_perl architectures. No offense, but the content you have here looks really well suited to be part of the Guide. It would fit nicely into the performance section. Making it a separate site kind of fragments the documentation. So far, I've written up a basic scaling framework, and I've posted a particular development profiling tool that we wrote to capture, time, and explain all SQL select queries that occur on a particular page of a mod_perl + DBD::Oracle application: -http://www.lifespree.com/modperl/explain_dbitracelog.pl -http://www.lifespree.com/modperl/DBD-Oracle-1.06-perfhack.tar.gz Take a look at DBIx::Profile as well. 1. Performance benchmarking code. In particular, I'm looking for tools that can read in an apache log, play it back realtime (by looking at the time between requests in the apache log), and simulate slow simultaneous connections. I've started writing my own, but it would be cool if something else out there existed. The mod_backhand project was developing a tool like this called Daquiri. If folks could just send me pointers to various caching modules and code, I'll test them in a uniform environment and let folks know what I come up with. There are a bunch of discussions about this in the archives, including one this week. Joshua Chamas did some benchmarking on a dbm-based approach recently. - Perrin - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: perl's memory leak
On Fri, 8 Dec 2000, Stas Bekman wrote: If you have linux you have (or can have GTop), which gives you an API to do this and many other things. Apache::SizeLimit::linux_size_check is just a custom function that you cannot really re-use (unless you put it into some other module... Unfortunately, GTop is kind of a pain to compile. It seems to depend on some Gnome stuff. We use Apache::SizeLimit for this reason, and it works well. - Perrin - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: [ANNOUNCE] new site: scaling mod_perl (+tool: mod_perl + DBD::Oracle)
The enterprise mod_perl architectures idea that I posted earlier has evolved into a slightly modified idea: a 'scaling mod_perl' site: http://www.lifespree.com/modperl. The point of this site will be to talk about synthesize techniques for scaling, monitoring, and profiling large, complicated mod_perl architectures. No offense, but the content you have here looks really well suited to be part of the Guide. It would fit nicely into the performance section. Making it a separate site kind of fragments the documentation. So far, I've written up a basic scaling framework, and I've posted a particular development profiling tool that we wrote to capture, time, and explain all SQL select queries that occur on a particular page of a mod_perl + DBD::Oracle application: -http://www.lifespree.com/modperl/explain_dbitracelog.pl -http://www.lifespree.com/modperl/DBD-Oracle-1.06-perfhack.tar.gz Take a look at DBIx::Profile as well. 1. Performance benchmarking code. In particular, I'm looking for tools that can read in an apache log, play it back realtime (by looking at the time between requests in the apache log), and simulate slow simultaneous connections. I've started writing my own, but it would be cool if something else out there existed. The mod_backhand project was developing a tool like this called Daquiri. If folks could just send me pointers to various caching modules and code, I'll test them in a uniform environment and let folks know what I come up with. There are a bunch of discussions about this in the archives, including one this week. Joshua Chamas did some benchmarking on a dbm-based approach recently. - Perrin - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: debuggers
On Fri, 8 Dec 2000, Matt Sergeant wrote:
fatalsToBrowser installs a $SIG{__DIE__} handler, and so prevents you from
properly using eval{} blocks, or nice modules like Error.pm or
Class::Exception (or whichever way around Dave has it this week :-)
That's Exception::Class. phhhbbtt!
-dave
/*==
www.urth.org
We await the New Sun
==*/
-
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Re: mod_perl IPC under Solaris 7
On Fri, 8 Dec 2000, Mark Doyle wrote: I suppose the first place to look is to use the Solaris commands ipcs and ipcrm... Also, I believe you have to update the kernerl parameters for shared memory. The default is pretty skimpy. Look at adding things like: to /etc/system. Yes, I have made some changes there. I have: set shmsys:shminfo_shmmax = 8388608 set shmsys:shminfo_shmmni = 10240 set shmsys:shminfo_shmseg = 512 The man page for shmget says that for ENOSPC a shared memory identifier is to be created but the system imposed limit on the maximum number of allowed identifiers would be exceeded. I have set shmmni to 102400 and had the same error. Can I actually see how many identifiers I have at one time, and which processes are creating them? Thanks, -- steven - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: mod_perl advocacy project resurrection
On Fri, 8 Dec 2000, Stas Bekman wrote: The real question is for someone to undertake the Safe module and make it working for mod_perl. I think we have discussed this before. I don't remember what was the conclusion. That its pretty hard to do, and requires Safe holes to be any use for anything serious. Although someone had DBI working through Safe that emailed me, but I've since discarded or lost that email. FWIW, I still have Apache::Safe hanging around here somewhere. Not that its any use though :-) -- Matt/ /||** Director and CTO ** //||** AxKit.com Ltd ** ** XML Application Serving ** // ||** http://axkit.org ** ** XSLT, XPathScript, XSP ** // \\| // ** Personal Web Site: http://sergeant.org/ ** \\// //\\ // \\ - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: [me too] certification [Was: mod_perl advocacy project resurrection]
On Fri, 8 Dec 2000, Paul wrote: I would love to be able to list on my resumé that I was Perl and mod_perl certified. How about publicity in the form of a page listing certified Perl/modPerl coders on take23, with contact info if they like? Great for getting those job offers. We will be doing jobs and resumes on there when I get some tuits to do a bit more coding on the site, maybe over xmas. What I'd love to be able to provide is some sort of auto-matcher for employers/employees, but thats way up there right now. -- Matt/ /||** Director and CTO ** //||** AxKit.com Ltd ** ** XML Application Serving ** // ||** http://axkit.org ** ** XSLT, XPathScript, XSP ** // \\| // ** Personal Web Site: http://sergeant.org/ ** \\// //\\ // \\ - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
[me too] certification [Was: mod_perl advocacy project resurrection]
First, the gratuitous "me, too!" As fair warning, there's little more than that in terms of valid content here, but if you're still interested in reading the rest --- "J. J. Horner" [EMAIL PROTECTED] wrote: On Wed, Dec 06, 2000 at 01:22:26PM -0800, Randal L. Schwartz wrote: "Gunther" == Gunther Birznieks [EMAIL PROTECTED] writes: Gunther This is exactly why someone experienced in training (ie Gunther Randal/StoneHenge) would hopefully be the ones to take the Gunther torch on this. If there's anyone I would trust a Gunther certification from, it would be them. We've considered the certification route from time to time, but other than being a money maker for us (which isn't all that bad of a deal :-), I'm still not entirely convinced that the community of *ours* would demand certification in any distinguishing way. I mean, until I can demonstrate that people with certs are likely to get hired faster or make more money, what's the point? As it is now, good mod_perl people are hard enough to find that the jobseeker already has the advantage. I'm very open to being convinced otherwise though. I'd be interested in something like this. For a low price ($50-$100), I would do that. In fact, I would probably pay more. I'd take a list of activities from your website, complete the activities, submit my code back to you, and let you grade me, and then send me some form of certificate saying "Certified mod_perl hacker" with Stonehenge and the famous merlyn signing it. I'd be a little less eager about the sort of simple multiple choice that would be easiest to automate, but even that would suffice. If we could get Doug and Lincoln to sign off on the list of activities, the certification couldn't get more genuine than that. Agreed. [snip] How many technologies have the actual creator as part of the certification process? It could only help. I don't know about "only", but I second the sentiment. I would love to be able to list on my resumé that I was Perl and mod_perl certified. How about publicity in the form of a page listing certified Perl/modPerl coders on take23, with contact info if they like? Great for getting those job offers. __ Do You Yahoo!? Yahoo! Shopping - Thousands of Stores. Millions of Products. http://shopping.yahoo.com/ - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: mod_perl advocacy project resurrection
Stas Bekman wrote: Let me stright things out a bit, so you won't get misleaded by my post as a marketing call. What we want is very simple. 1. We want many users, so they will thoroughly test the software and spot bugs asap, so we -- current users will get a better product. 2. We want more developers, so they will write core mod_perl and 3rd party modules, again for us current users to re-use and save development time. [cut] It strikes me that there might be a route not yet taken to increase *availability* of mod_perl. Think about all the ISPs that host personal and small business web sites. How many of them run Apache and allow their customers to code Perl scripts? Earthlink (which is huge), for one. Yet it doesn't have mod_perl installed. But if it did, both Earthlink itself and the customers might see performance benefits from Apache::Registry scripting. The two biggest obstacles I see to this: (1) Have to have a *reliable* way for customers to reload their Registry scripts. Here's where some development work might be needed. (2) It might be argued that anything that *needs* Registry is too heavy-duty for the ISP to want it running anyway. Thoughts? (I wonder if it might be possible to enlist the Apache folks to campaign for this as well, since anything that keeps out the dread IIS is desirable). - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: [me too] certification [Was: mod_perl advocacy project resurrection]
On Wed, Dec 06, 2000 at 01:22:26PM -0800, Randal L. Schwartz wrote: I mean, until I can demonstrate that people with certs are likely to get hired faster or make more money, what's the point? As it is now, good mod_perl people are hard enough to find that the jobseeker already has the advantage. "The jobseeker already has the advantage" is the key phrase. I think the general idea is to balance that out and broaden both the job market for mod_perl folks, and the talent pool of mod_perl programmers. At this point, IMO certification is the end of the line, the destination. What we need is a path to the destination. We want to generate enough interest and (dare I say) marketability of mod_perl to warrant certification. Articles are helpful, but when was the last time you saw a corporate big-wig reading TPJ or Perl Month? I'm sure it happens, but what about getting an article in the big trade rags? Slipping something in Ziff-Davis rags, the things that sit on their desk and coffee tables... I'd take a list of activities from your website, complete the activities, submit my code back to you, and let you grade me, snip Copy and paste works wonders in the web. You'd need heavy code-commenting or a detailed explanation from the person (preferably in person) of the code they "wrote". It's the right path, just need to prepare for the lowest common denomenator. I'd be a little less eager about the sort of simple multiple choice that would be easiest to automate, but even that would suffice. Or a good combination thereof. I would love to be able to list on my resumé that I was Perl and mod_perl certified. How about publicity in the form of a page listing certified Perl/modPerl coders on take23, with contact info if they like? Great for getting those job offers. From an employer's standpoint, that's an awful statement to read. If I hire a certified perl/mod_perl person, I'd like to believe that they're with my company, and not reviewing other job offers continually, if the site could evolve to "available certified folks"... that would be a much better solution. See point #1 above. Jay Jacobs - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
RE: Concurrenty access to a log file!!!
If you use Apache's logging facilities (say for level debug). Apache will handle the concurrency/serializing for you. You might also look at using syslog -Original Message- From: Edmar Edilton da Silva [mailto:[EMAIL PROTECTED]] Sent: Friday, December 08, 2000 2:46 PM To: [EMAIL PROTECTED] Subject: Concurrenty access to a log file!!! Hi all, I have installed on my machine the mod_perl module and exists a lots perl scripts running under mod_perl. I am doing some tests and I need that all call to these perl scripts write in a log file. How can there are a lots scripts running to the same time, I need to control the processes of write. Please, can anyone give me any hint about it? Is there any doc on the Internet that I can use? Thanks for all help... Edmar Edilton da Silva Bacharel em Ciência da Computacão - UFV Mestrando em Ciência da Computacão - UNICAMP - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: Concurrenty access to a log file!!!
On Fri, 8 Dec 2000, Edmar Edilton da Silva wrote: Hi all, I have installed on my machine the mod_perl module and exists a lots perl scripts running under mod_perl. I am doing some tests and I need that all call to these perl scripts write in a log file. How can there are a lots scripts running to the same time, I need to control the processes of write. Please, can anyone give me any hint about it? Is there any doc on the Internet that I can use? Thanks for all help... http://perl.apache.org/guide/debug.html#Critical_Section _ Stas Bekman JAm_pH -- Just Another mod_perl Hacker http://stason.org/ mod_perl Guide http://perl.apache.org/guide mailto:[EMAIL PROTECTED] http://apachetoday.com http://logilune.com/ http://singlesheaven.com http://perl.apache.org http://perlmonth.com/ - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
[JOB] mod_perl folks wanted in Boston - athenahealth.com
In the spirit of all of this talk about certification, demand for mod_perl programmers, etc., I'd just like to say that I'm looking for programmers. More to the point, I'm looking for kickass folks who just happen to know mod_perl. If you know mod_perl very well, great, but generally speaking, I'm looking for folks who are just kickass hackers, know that they are kickass hackers, and are willing to do anything to drive a problem to extinction. Experience with mod_perl, Linux, Oracle, Solaris, Java, XML/SOAP, MQ Series, transaction brokers, systems administration, NT, DHTML, JavaScript, etc. etc. are all Good Things. But basically, we're looking for folks who are itching to prove themselves and have some sort of history that indicates that they can do it. As a backdrop: we just raised $30 million, and we were the top story in the latest Red Herring VC Dealflow. http://www.redherring.com/vc/2000/1206/vc-ltr-dealflow120600.html As you have probably gathered by now from my posts about the Scaling mod_perl page (http://www.lifespree.com/modperl/- soon to be folded into the Guide), I'm currently starting up a scaling mod_perl project, and I have a lot of money and stock options to burn on good people and interesting toys. If you're interested, send me a private email a resume and we'll talk. Unfortunately, you sort of have to be in the Boston area (or willing to move) to make this work. cheers, Ed - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Concurrenty access to a log file!!!
Hi all, I have installed on my machine the mod_perl module and exists a lots perl scripts running under mod_perl. I am doing some tests and I need that all call to these perl scripts write in a log file. How can there are a lots scripts running to the same time, I need to control the processes of write. Please, can anyone give me any hint about it? Is there any doc on the Internet that I can use? Thanks for all help... Edmar Edilton da Silva Bacharel em Ciência da Computacão - UFV Mestrando em Ciência da Computacão - UNICAMP
Re: Concurrenty access to a log file!!!
I don't know if this helps but when you log something add the process ID to the log message. Then you should be able to trace what process is running what, look at : http://httpd.apache.org/docs/mod/mod_log_config.html#formats to tell you how to set up custom log formats, %p gives you the pid, there are some other things that could be useful to you as well. And just use Apache's standard logging. marc - Original Message - From: Edmar Edilton da Silva [EMAIL PROTECTED] To: [EMAIL PROTECTED] Sent: Friday, 8. December 2000 14:46 Subject: Concurrenty access to a log file!!! Hi all, I have installed on my machine the mod_perl module and exists a lots perl scripts running under mod_perl. I am doing some tests and I need that all call to these perl scripts write in a log file. How can there are a lots scripts running to the same time, I need to control the processes of write. Please, can anyone give me any hint about it? Is there any doc on the Internet that I can use? Thanks for all help... Edmar Edilton da Silva Bacharel em Ciência da Computacão - UFV Mestrando em Ciência da Computacão - UNICAMP - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
ssl
Hi everyone, does anyone have any suggestions as to which SSL package to use? I'm a little unsure if I should use Mod_ssl or Apache-ssl. I'm currently using Apache 1.3.12 if that helps... Thanks alot!!! - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
STDERR
Hi, I am writing a module that launches a perl script. I would like the user to see the error cenerated by the script in the browser. So far I either get the errors sent to the apache error_log or the browser respons that the document contained no data. Please help! Alex - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
RE: STDERR
dup STDOUT to STDERR -Original Message- From: Aleksandr Vladimirskiy [mailto:[EMAIL PROTECTED]] Sent: Friday, December 08, 2000 5:16 PM To: [EMAIL PROTECTED] Subject: STDERR Hi, I am writing a module that launches a perl script. I would like the user to see the error cenerated by the script in the browser. So far I either get the errors sent to the apache error_log or the browser respons that the document contained no data. Please help! Alex - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: STDERR
That would have the opposite effect of what I want. I want the errors to go to the browser not the output of the script to the error_log. ??? Alex Jerrad Pierce wrote: dup STDOUT to STDERR -Original Message- From: Aleksandr Vladimirskiy [mailto:[EMAIL PROTECTED]] Sent: Friday, December 08, 2000 5:16 PM To: [EMAIL PROTECTED] Subject: STDERR Hi, I am writing a module that launches a perl script. I would like the user to see the error cenerated by the script in the browser. So far I either get the errors sent to the apache error_log or the browser respons that the document contained no data. Please help! Alex - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
RE: Concurrenty access to a log file!!!
On Fri, 8 Dec 2000, Jerrad Pierce wrote: If you use Apache's logging facilities (say for level debug). Apache will handle the concurrency/serializing for you. If I remember correctly only if the size of a single warn/print(STDERR,...) 4k, if you are talking about manually logging thru STDERR. _ Stas Bekman JAm_pH -- Just Another mod_perl Hacker http://stason.org/ mod_perl Guide http://perl.apache.org/guide mailto:[EMAIL PROTECTED] http://apachetoday.com http://logilune.com/ http://singlesheaven.com http://perl.apache.org http://perlmonth.com/ - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
RE: Concurrenty access to a log file!!!
There's not Apache::: API for hooking into logging? AFAIK (which isn't to say much) it seems children pass logging information back to the initial process in some queue, et voila? And that 4k when likely be dependent on the kernel filehandle buffer. Which yes, is 4k on your typical x86... -Original Message- From: Stas Bekman [mailto:[EMAIL PROTECTED]] Sent: Friday, December 08, 2000 3:51 PM To: Jerrad Pierce Cc: mod_perl list Subject: RE: Concurrenty access to a log file!!! On Fri, 8 Dec 2000, Jerrad Pierce wrote: If you use Apache's logging facilities (say for level debug). Apache will handle the concurrency/serializing for you. If I remember correctly only if the size of a single warn/print(STDERR,...) 4k, if you are talking about manually logging thru STDERR. _ Stas Bekman JAm_pH -- Just Another mod_perl Hacker http://stason.org/ mod_perl Guide http://perl.apache.org/guide mailto:[EMAIL PROTECTED] http://apachetoday.com http://logilune.com/ http://singlesheaven.com http://perl.apache.org http://perlmonth.com/ - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: STDERR
I am sorry, its just my question wasn't on how to do it ("dup STDERR to
STDOUT"), but rather why doing that doesn't work. I have two pieces to
the puzzle an apache module and an external script. I get the errors
from the external script in the error_log, so I redirect them in the
module or the script to STDOUT, but this fails which means that apache
doesn't have a STDOUT or its something else.
Alex
Jerrad Pierce wrote:
so reverse it. Sheesh.
-Original Message-
From: Aleksandr Vladimirskiy [mailto:[EMAIL PROTECTED]]
Sent: Friday, December 08, 2000 5:33 PM
To: Jerrad Pierce; [EMAIL PROTECTED]
Subject: Re: STDERR
That would have the opposite effect of what I want. I want the
errors to
go to the browser not the output of the script to the error_log. ???
Alex
Jerrad Pierce wrote:
dup STDOUT to STDERR
-Original Message-
From: Aleksandr Vladimirskiy [mailto:[EMAIL PROTECTED]]
Sent: Friday, December 08, 2000 5:16 PM
To: [EMAIL PROTECTED]
Subject: STDERR
Hi,
I am writing a module that launches a perl script. I would
like the user
to see the error cenerated by the script in the browser. So
far I either
get the errors sent to the apache error_log or the browser
respons that
the document contained no data. Please help!
Alex
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Re: STDERR
On Fri, 8 Dec 2000, Aleksandr Vladimirskiy wrote:
I am sorry, its just my question wasn't on how to do it ("dup STDERR to
STDOUT"), but rather why doing that doesn't work. I have two pieces to
the puzzle an apache module and an external script. I get the errors
from the external script in the error_log, so I redirect them in the
module or the script to STDOUT, but this fails which means that apache
doesn't have a STDOUT or its something else.
http://perl.apache.org/guide/porting.html#STDIN_STDOUT_and_STDERR_streams
Alex
Jerrad Pierce wrote:
so reverse it. Sheesh.
-Original Message-
From: Aleksandr Vladimirskiy [mailto:[EMAIL PROTECTED]]
Sent: Friday, December 08, 2000 5:33 PM
To: Jerrad Pierce; [EMAIL PROTECTED]
Subject: Re: STDERR
That would have the opposite effect of what I want. I want the
errors to
go to the browser not the output of the script to the error_log. ???
Alex
Jerrad Pierce wrote:
dup STDOUT to STDERR
-Original Message-
From: Aleksandr Vladimirskiy [mailto:[EMAIL PROTECTED]]
Sent: Friday, December 08, 2000 5:16 PM
To: [EMAIL PROTECTED]
Subject: STDERR
Hi,
I am writing a module that launches a perl script. I would
like the user
to see the error cenerated by the script in the browser. So
far I either
get the errors sent to the apache error_log or the browser
respons that
the document contained no data. Please help!
Alex
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http://stason.org/ mod_perl Guide http://perl.apache.org/guide
mailto:[EMAIL PROTECTED] http://apachetoday.com http://logilune.com/
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RE: STDERR
here's my variation on your question (sorry, not much help to you): while you are in a handler and you catch an error, why can't you then $r-print the error message, and return OK immediately? Perl just dies and Apache returns the header when I try this. Doug | From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]] | | | Hi, | | I am writing a module that launches a perl script. I would like the user | to see the error cenerated by the script in the browser. So far I either | get the errors sent to the apache error_log or the browser respons that | the document contained no data. Please help! | | Alex | | - | To unsubscribe, e-mail: [EMAIL PROTECTED] | For additional commands, e-mail: [EMAIL PROTECTED] | - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: mod_perl advocacy project resurrection
On Tue, 5 Dec 2000, brian moseley wrote: [...] consider a scenario in which somebody uses a web interface to signal an action, which is placed into a message queue. on the other end of that queue, a service handles the event with a transaction that spans multiple third tier systems. this is the kind of architecture that is begging to be embraced by perl. Talarian have a Perl API for SmartSockets. I would think they have for their "SmartMQ" thingy too. If not then it's probably easy to make. http://www.talarian.com/products/smartsockets/ http://www.talarian.com/products/smartmq/ - ask -- ask bjoern hansen - http://ask.netcetera.dk/ more than 70M impressions per day, http://valueclick.com - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
STDERR
Well I looked at the link on perl.apache.org
(http://perl.apache.org/guide/porting.html#STDIN_STDOUT_and_STDERR_streams),
and it still isn't working. I must be coding wrong. Please take a look
at the code:
$r-content_type('text/html');
$r-send_http_header;
open (STDERR, "STDOUT");
tie *OUT, 'Apache';
$r-print("htmlbody");
$status = system("some.prog.pl", $params{'...'}, $params{'...'});
$r-print("/body/html");
thanks very much
Alex
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STDERR
Hey I got it. The code was wrong. So now I do an "open (STDERR, "STDOUT");" in the beginning of the external script and a "tie *OUT, 'Apache';" in the module, then I used backtick to execute so now it dumps everything to browser. Really sweet! Thanks Alex - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: Persistent objects between init and content handlers
On Fri, 8 Dec 2000, Doran L. Barton wrote: I've got information stored in a DBI-accessible database. I would like to read this information from the database and populate an object with the data (really just a tree of hashes). This database "dump" into the object should occur at child-init (so, I'm guessing with a PerlChildInitHandler directive). Then, I need to use the object functions/methods to navigate the data in a content handler. I tried passing the object using $r-notes(), but it didn't work. Then I read somewhere the data in $r-notes() is destroyed after each request- so of course that isn't going to work. Just put it in a global. $Cached::Data::Thingy = $my_object; - Perrin - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Persistent objects between init and content handlers
Okay- Maybe I'm trying too hard here, but, if so, I'd appreciate a slap in the face. Here's the project: I've got information stored in a DBI-accessible database. I would like to read this information from the database and populate an object with the data (really just a tree of hashes). This database "dump" into the object should occur at child-init (so, I'm guessing with a PerlChildInitHandler directive). Then, I need to use the object functions/methods to navigate the data in a content handler. I tried passing the object using $r-notes(), but it didn't work. Then I read somewhere the data in $r-notes() is destroyed after each request- so of course that isn't going to work. Essentially, I need to make this object persistent across requests in much the same way Apache::DBI makes database connection handles persistent across requests. Can I make a variable scoped local to the child? Weird, huh? Thanks in advance for your attention to this issue. -- Doran L. Barton [EMAIL PROTECTED] - Chief Super Hero - Iodynamics LLC http://www.iodynamics.com/ - Linux solutions and dynamic websites "A good messenger expects to get shot." --- Larry Wall - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: STDERR
On Fri, 8 Dec 2000, Aleksandr Vladimirskiy wrote:
Well I looked at the link on perl.apache.org
(http://perl.apache.org/guide/porting.html#STDIN_STDOUT_and_STDERR_streams),
and it still isn't working. I must be coding wrong. Please take a look
at the code:
$r-content_type('text/html');
$r-send_http_header;
open (STDERR, "STDOUT");
tie *OUT, 'Apache';
$r-print("htmlbody");
$status = system("some.prog.pl", $params{'...'}, $params{'...'});
$r-print("/body/html");
thanks very much
Hmm, first OUT filehandler was just an example, I don't understand why did
you copy it.
Second what you probably have to do is this:
some.prog.pl:
-
open (STDERR, "STDOUT") or die "Cannot dup STDOUT: $!";
...
the rest of the code
...
the main code:
--
$r-content_type('text/html');
$r-send_http_header;
print("htmlbody");
print `some.prog.pl foo bar`; # back ticks return the output
print("thanks very much :)");
print("/body/html");
I didn't test it, but that's more or less that you should do...
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Re: STDERR
On Fri, 8 Dec 2000, Aleksandr Vladimirskiy wrote: Hey I got it. The code was wrong. So now I do an "open (STDERR, "STDOUT");" in the beginning of the external script and a "tie *OUT, 'Apache';" in the module, then I used backtick to execute so now it dumps everything to browser. Really sweet! it's just that you don't need the "tie *OUT,'Apache';" part unless you try to win an obscure code contest :) _ Stas Bekman JAm_pH -- Just Another mod_perl Hacker http://stason.org/ mod_perl Guide http://perl.apache.org/guide mailto:[EMAIL PROTECTED] http://apachetoday.com http://logilune.com/ http://singlesheaven.com http://perl.apache.org http://perlmonth.com/ - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
RE: [certification]
At 09:39 AM 12/8/00 -0600, Hill, David T - Belo Corporate wrote: -Original Message- From: Gunther Birznieks [mailto:[EMAIL PROTECTED]] "Obviously they still have to be technically interviewed, but in lieu of someone with or without certification, it's easier to short-list on the basis of such certification (or some equivalent outstanding thing such as contributing to CPAN)." If you are 'short-listing' based on certification, you may be missing your best candidates... Whatever. You missed my point entirely and took my posts on this subject out of context. The point is about probability and statistics. There is no way when a hiring manager gets 100 CVs that they can look through them all with a fine tooth comb especially when geeks tend to SUCK at writing CVs (eg 80% seem to feel that they have to write a 20 pages that say nothing but pisses off the reader). Also, I didn't say certs are the only way to short-list. So are advanced degrees (not necessarily CS), someone who has written tutorials, someone who has contributed to open source (eg says on their CV they have modules on CPAN), etc. Certs are ONE distinguishing factor. OK, tell you what. I guess the next time I put an ad in the paper, I'll just tell people to send me just their name and phone number so I can set up an interview. Because according to this sentiment, if I pay attention to distinguishing factors on their CV then I might be missing some of my best candidates if I do so, so I might as well interview 'em all! BZZT! Wrong answer. Screw that. It doesn't work that way. There is limited time in this world to call people in for interviews. If anyone thinks distinguishing factors should not affect the way a hiring manager reads a CV has their head in a cloud. Anyway, I apologize for giving harsh example -- but it seems that there's no other way to demonstrate this. The fact is that certs help and certs are important. But the degree to which they are important is another issue entirely. And I concede that it may be too early for certs being necessary for mod_perl itself because it's not reached an adequate critical mass as pointed out earlier. However, the fact is that their can be other distinguishing factors on a CV, but to ignore those factors INCLUDING certs is just stupid unless you have the luxury of only having some ridiculously low number of CVs to look at and can spend that time interviewing people because you only have a few straws to grasp. - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: Persistent objects between init and content handlers
On Fri, Dec 08, 2000 at 03:33:32PM -0800, Perrin Harkins wrote:
On Fri, 8 Dec 2000, Doran L. Barton wrote:
I've got information stored in a DBI-accessible database. I would like to
read this information from the database and populate an object with the
data (really just a tree of hashes). This database "dump" into the object
should occur at child-init (so, I'm guessing with a PerlChildInitHandler
directive). Then, I need to use the object functions/methods to navigate
the data in a content handler.
I tried passing the object using $r-notes(), but it didn't work. Then I
read somewhere the data in $r-notes() is destroyed after each request- so
of course that isn't going to work.
Just put it in a global.
$Cached::Data::Thingy = $my_object;
If $my_object does not need to be different for different child httpds,
then simply put it in the parent httpd. Or better still use
Apache::Session (since you already have a neat DBI-accessible database
setup). From the perldoc of Apache::Session :
use strict;
my %global_data;
eval {
tie %global_data, 'Apache::Session::File', 1,
{Directory = '/tmp/sessiondata'};
};
if ($@) {
die "Global data is not accessible: $@";
}
my $dbh = DBI-connect($global_data{datasource},
$global_data{username}, $global_data{password}) || die $DBI::errstr;
undef %global_data;
Of course, you can use Apache::Session::[MySQL|Oracle||DBI-d/b] instead
of Apache::Session::File.
Ajit
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custom directives done using filters
Hi, I feel bad insisting because I know most of you are probably at least as busy as I am. I posted a message a few days ago (http://www.geocrawler.com/lists/3/Web/182/200/4787953/) and didn't get a single answer. I understand if you don't want to read it as it's fairly long. Basically, I'm trying to some up with a way to implement custom directives by applying Perl source filters in httpd.conf, but for some reason it isn't working. If any of you know anything that could help me find a way to make it work (or give me a definitive answer that it simply can't be done) it'd be very much appreciated. Thanks, -- robin b. Heisenberg might have been here. - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: Apache::ASP problem with post data
Luc Willems wrote:
it seems that the "Content-type" must be
"application/x-www-form-urlencoded" before we can get anything out of
the content() routine from mod_perl :-(
#Get posted XML query
$len = $Request-{TotalBytes};
$Request-{asp}-{r}-read($i,$len);
I'll change the Apache::ASP code to read() instead
of content() just for this reason. I might only
parse it for Form() if "application/x-www-form-urlencoded"
but at least it'll be there for BinaryRead()
Thanks for figuring this out.
--Josh
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Re: custom directives done using filters
On Dec 09, Robin Berjon wrote: I feel bad insisting because I know most of you are probably at least as busy as I am. I posted a message a few days ago (http://www.geocrawler.com/lists/3/Web/182/200/4787953/) and didn't get a single answer. I understand if you don't want to read it as it's fairly long. Basically, I'm trying to some up with a way to implement custom directives by applying Perl source filters in httpd.conf, but for some reason it isn't working. the configuration file is actually read and processed by apache, so i don't see how perl source filters could be applied to it. jim - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: RFC: mod_perl advocacy project resurrection
Patrick wrote: On Thu, Dec 07, 2000 at 03:52:01PM +0100, Stas Bekman took time to write: Your problem is that you try to use the precompiled broken packages provided by distros. If I can jump... I must say that I *never* had a problem with Debian packages of mod_perl. Maybe RedHat packages have (don't known I don't use that), but Debian packages are correct for me. So on a Debian System, you just need to do : apt-get install libapache-mod-perl and tweak the configuration files. At least that's my experience. Mmmm, I did have a big problem (segfaults) with the apache and mod_perl from Debian 2.1. I think it was an upstream, not package, problem though: that was when most everybody was having a problem with mod_perl as a module. I built it into Apache though, and it worked fine. Debian 2.2 has it built that way as a binary, so I've just gone with that. I've stayed away from the separate module thing, so I have no idea how well it works now. (BTW, kudos the the Debian maintainer which probably reads this list) Absolutely. I've never seen a package problem. - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
