Does anyone know if the implementation of System V Semaphores uses
futexes under the hood on nptl based systems (i.e. RH 9)? The second
question is if this is the case, can I expect an incremented semaphore
to be decremented when a process dies, or is that too much to expect (or
perhaps would
On Fri, 13 Jun 2003, James Olin Oden wrote:
OK, this is the original problem I was trying to figure with the debug
version of init. In house we have an app that was starting a process
manager from init. It was starting after the sysinit entry and before
the runlevel script entries
On Fri, 13 Jun 2003, James Olin Oden wrote:
I was experience a problem with init (not running rc scripts; I will deal
with this in seperate email), and so I pulled down the SysVinit srpm
and rebuilt it with DEBUG set to 1 in init.h. This cause init to print
lots of nice debug output
On Mon, 16 Jun 2003, Bill Nottingham wrote:
James Olin Oden ([EMAIL PROTECTED]) said:
and looked at things. The last syscall I see init in after
running the init 6, is:
futex(0x4212f1f4, FUTEX_WAIT, -1, NULL
What glibc are you running?
I am running:
glibc-2.3.2-27.9
On Mon, 16 Jun 2003, Bill Nottingham wrote:
James Olin Oden ([EMAIL PROTECTED]) said:
On Mon, 16 Jun 2003, Bill Nottingham wrote:
James Olin Oden ([EMAIL PROTECTED]) said:
and looked at things. The last syscall I see init in after
running the init 6
On Mon, 16 Jun 2003, Bill Nottingham wrote:
James Olin Oden ([EMAIL PROTECTED]) said:
On Mon, 16 Jun 2003, Bill Nottingham wrote:
James Olin Oden ([EMAIL PROTECTED]) said:
and looked at things. The last syscall I see init in after
running the init 6
I was experience a problem with init (not running rc scripts; I will deal
with this in seperate email), and so I pulled down the SysVinit srpm
and rebuilt it with DEBUG set to 1 in init.h. This cause init to print
lots of nice debug output, but...
When its in this mode on our 2GHz, duel
OK, this is the original problem I was trying to figure with the debug
version of init. In house we have an app that was starting a process
manager from init. It was starting after the sysinit entry and before
the runlevel script entries (it needed to be around when the runlevel
scripts were
On Wed, 4 Jun 2003, Jonathan Atkinson wrote:
Hi,
I am considering creating my own little Linux distribution for use by me
and my friends. I'm an intermediate linux user, and I would like to do
this to enhance my knowledge of Linux, plus I think it's be a fun little
project :-) I am most
On Mon, 17 Mar 2003, Bill Nottingham wrote:
slang and ncurses in 7.3 don't support unicode. If you run
programs using those in a unicode locale, you'll have issues.
(ncurses in 8.0 still has problems in unicode, FWIW.)
If I remember well this problem occured somewhere between
James Olin Oden ([EMAIL PROTECTED]) said:
Hi All,
I have been using libnewt to build various system administration utitilities,
and things were working pretty good until I went to Phoebe. Where I have
problems is when I run the programs in a non-vga tty (such as an ssh sessioin
Hi All,
I have been using libnewt to build various system administration utitilities,
and things were working pretty good until I went to Phoebe. Where I have
problems is when I run the programs in a non-vga tty (such as an ssh sessioin
or accross a serial port). I found an interesting work
If no, can we get one (as a patch or a package)?
If my scripts are running with ksh originally (i.e. on other Unix
boxes), what is the best option available with us on Linux boxes?
As someone has already said it is available; the rpm is pdksh.
Beyond that, bash is mostly a superset of
Em Qua 04 Dez 2002 04:48, John escreveu:
On Wed, 4 Dec 2002, Carlos wrote:
I was thinking about writing a application like Xconfigurator using
ncurses. What do you think?
Why?
It is hard to find documentation about newt. Ncurses is mored documented and
used. Also ncurses is
Hi James,
On Tue, 10 Dec 2002, James Olin Oden wrote:
Em Qua 04 Dez 2002 04:48, John escreveu:
It is hard to find documentation about newt. Ncurses is mored documented and
used. Also ncurses is defined in LSB .
Just look in /usr/share/doc/newt-devel*/tutorial.sgml
maybe a better place would be the mysql folks. Theymight be able to tell
you if the default configuration under Linux is with threads ( server
client ). And if there is a choice, how can one tell what one has.
If they cant tellwhat u have, then maybe a build would be good for your
maybe a better place would be the mysql folks. Theymight be able to tell
you if the default configuration under Linux is with threads ( server
client ). And if there is a choice, how can one tell what one has.
If they cant tellwhat u have, then maybe a build would be good for your
state
Hi All,
We are porting an application to Linux from Solaris that
is threaded and uses mysql. On Solaris we would link against the
thread safe/blessed libmysqlclient_r. None of the RedHat RPM's seem to
come with this library? Is it unnecessary under linux or do we
need to build our own mysql
What is the command to open an xml file on Linux
RH7.2?
vi (-:
...james
Thanks
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No, the RPM version compare algorithm is very simple, and well
documented. It does the best it can given that is has to handle all the
different versioning schemes used by different programs with a single
function. It gets it right probably 90% of the time.
The challenge is that if you
On Tue, 3 Sep 2002 09:26:22 -0400 (EDT), James Olin Oden
[EMAIL PROTECTED] wrote:
This could be extended further such that a rpm could provide a function
that comparies versions (kind of like passing a function to the sort
routines that understands how to discern the magnitude
While the formats of the files are the same, the Salts used for the crypt
functions are not the same.
What might you mean by that? I do understand what the salt is for, so are you
saying that Solaris uses a different range of characters for the two byte salt?
If not what are you saying?
Is there not a function to convert from crypt to md5 passwords,
similar to pwconv and grpconv ? Is it even possible?
-Thomas
Hi Thomas,
pwconv and grpconv do not convert the crypt hash, they move it
forom /etc/passwd to /etc/shadow, and /etc/group to /etc/gshadow.
Hashes are intended
Does anyone know if you can transport a Solaris Passwd file to a Linux
Server? If so How?
Hi Albert,
Without getting too deep into the details, yes. The passwd file
and shadow file on Solaris is:
/etc/passwd
/etc/shadow
just like on Linux. They are both text files with
Hi All,
I noticed today that /etc/sysctl.conf actually gets ran twice. Once
in /etc/rd.d/rc.sysinit and once in /etc/init.d/network. Why is this?
Is this a bug?
Thanks...james
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James Olin Oden ([EMAIL PROTECTED]) said:
I noticed today that /etc/sysctl.conf actually gets ran twice. Once
in /etc/rd.d/rc.sysinit and once in /etc/init.d/network. Why is this?
Is this a bug?
No, it's so 'service network restart' does the right thing if you
change settings
On Thu, 25 Jul 2002, James Olin Oden wrote:
Hi,
A while back we had a discusion about how to detect the number
of cpu's that were really on the system. The previous discussion
was centered around hyperthreading, but I am not really concerned
with that aspect of the problem
Hi,
A while back we had a discusion about how to detect the number
of cpu's that were really on the system. The previous discussion
was centered around hyperthreading, but I am not really concerned
with that aspect of the problem. What I would like to be able to
do is be able to know how
Hi All,
Where I am working we developing some device drivers for some
proprietary hardware. In the development of these device
drivers we came across the issue of major and minor numbers
for the device. On one hand we can staticly assign them; on the
other hand we can get the dynamically.
I know you're all probably aware of this by now, but a serious hole is in
all versions of OpenSSH shipped with all versions of RedHat:
http://online.securityfocus.com/archive/1/278818/2002-06-23/2002-06-29/0
This was, according to Theo De Raadt, not supposed to come out till after
a
If you really want to know how to do it:
http://www.linuxworks.com.au/redhat-installer-howto.html
which is the best documentation on the net concerning this. I know
you say you don't want to deal with details, but if you really want to
do this you are going to have to swim in them.
On Fri, 14 Jun 2002, James Olin Oden wrote:
The only issue with that is how well it scales. Also, I quickly did
look at it and it looks like you have to provide a file per environment
(i.e. representing the HD). I bet you could have that file live on a NFS
mount, but again I wonder
...Not that this has anything to do with the original topic but since you
mention ClearCase, I'll briefly add that _every_single_person_ I know who
knows the source-code management marketplace says to stay away from
ClearCase like it's the plague. Favored systems are cvs and Perforce.
float toot(int x, float y) {
if (y == 20) {
return y;
} else {
toot(x, x*y);
}
}
The code itself is broken as other have said you need:
return(toot(x, x*y));
The reason it ever did work has to do with the internal mechanics
of how function calls are
Hi All,
I have been given the task reasearching possible ways of setting
up a development environment such that:
- Multiple releases can be supported on the same machine (e.g.
the perl in the 7.3 and 7.2 on the same machine).
- Try to avoid rebuilding (and altering)
Have you looked at UML (User Mode Linux)
No I haven't but that is exactly the sort of thing I was looking for.
Not that its the perfect soultion necessarily (I still have to play
with it), but I needed some advice from out side the box I was
thinking in (-:
Some of the pieces I am building and adding to my RedHat installation are
requiring modifications to the /etc/rc.d/rc.sysinit script.
What would be the response to creating an rc.sysinit.d, breaking the
rc.sysinit
script into smaller scripts that live in rc.sysinit.d and modifying
James Olin Oden wrote:
Some of the pieces I am building and adding to my RedHat installation are
requiring modifications to the /etc/rc.d/rc.sysinit script.
What would be the response to creating an rc.sysinit.d, breaking the
rc.sysinit
script into smaller scripts that live
printf returns the number of characters written; eg., 6. ;)
So since the int main() function did not return anything like
it should (and thus populate the stack), the printf that did return
something ends up populating the stack with its return instead.
I am actually glad someone oopsed on
Hi All,
This morning I was requested to build a 2.4.18 kernel with a recent
Intel patch which supposedly fixes a problem with that has the symptoms
of illegal instructions being sent to the processor. The real issue
had to do with the order that page tables are freed on P4 SMP systems.
For
processors=`egrep -c ^cpu[0-9]+ /proc/stat || :`
I don't believe this works. It simply tells me how many logical
processors I have on my machine, i.e. it yields 4 opposed to 2.
Does anyone know the current state of hyper-threading support for
Linux? I've heard that
Some of the ways to work out environment for /opt
applications are
a) You add PATH, MANPATH, LD_LIBRARY_PATH etc to all
Handled by man by default with AUTOPATH so
MANPATH can be left alone. Just fix PATH
Again, this is only handled if your files you have man pages for
are
SNIP
is invoked from /opt/bin which then sets the environment
before launching the application from /opt/application/bin.
So add a man link farm as /opt/man to match those in
/opt/bin
It does work, though migh not be pretty if you have
many man pages.
Also, I imagine that
does anyone have a good tool to check if hdlist generated by genhdlist is
useable and it's not gonna crap out on my next kickstart?
any of those tools in anaconda-runtime?
i check for two versions of same package, each comps entry should stat and
rpm in RPMs, anything else?
v
I know
On Sat, 27 Apr 2002, Riku Meskanen wrote:
Ok, spent some more time on it and it config directory is
now fully functional with relevant IMHO security checks etc.
Thanks Riku. I will download them today and try them out. Also,
as soon as I get a chance I will closely examine your patch.
I need to pass some parameters to a C prorgam, but in the form
program_name -i input_file -o output_file .
There is another way than inspecting the String[] that comes
as parameter in main ?
If it is, please let me know, because i think it's better
than my solution!!
James Olin Oden wrote:
- SNIP -
I like the man.config.d idea, but I think gnu-man has a solution already
in place.
In the man(1) page MANPATH_MAP and the NOAUTOPATH control the
automatic construction of MANPATH.
if NOAUTOPATH is not set in /etc/man.config then it can
Presumably he's one who hopes that Red Hat will eventually understand that
its customers really do need to plan these things.
And I would hope that maybe Red Hat will finally think about their business
plan...
Some how - with a ratio of 1000:10 (10 purchases for almost every 1000
- SNIP -
IMHO, best way I can think would be to enhance GNU man to
support include directory, like xinetd with /etc/xinetd.d,
logrotate with /etc/logrotate.d etc.
Thus patch it use /etc/man.config.d if it already doesn't
and contrib to project :)
Actually, I do think that idea is better
Hello All,
I am trying to build an smp kernel rpm from src rpm provided at rawhide.
For some reason I get plenty of errors and build fails. UP/BOOT kernels
build fine from the same src rpm.
Am I doing something wrong, or there is a problem?
Hi Leonid,
Could you posibly send the
I guess since know one has responded to this question concerning a
clean way for an RPM to alter the MANPATH (i.e. alter it non-destructively
and using a safe mechanism to do so) says that there is not such a
clean method (please someone correct me if I am wrong). If this is the case
On Thu, 25 Apr 2002, James Olin Oden wrote:
The /opt/package/{etc,bin,man} practise can lead to quite riducule
length with PATH, MANPATH etc. components when you have plenty
of softare in your system, so beware.
Agreed, but there are times when you don't want your stuff to go
Hi All,
I have built a set of RPMs that install to some place like:
/usr/build
with bin, man and lib directories under their. I would like to
in the RPM make the man pages from these RPM's available. I tried
altering the MANPATH, but when I did this it completely overrided
I am trying to build a pared down RH distribution (fits on one CDROM
and installs itself [the kickstart config is on CDROM]). Anyway, most
everything works, except that now I am trying to add minimal X support.
I mistakenly thought that the X servers would be part of the comps
files, and so
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