up2date error

[Rupendra Singh]

what is this error:

[root@main root]# up2date -u

Retrieving list of all available packages...


Removing installed packages from list of updates...


Removing packages marked to skip from list...


Getting headers for available packages...
Segmentation fault

i have rh7.2 installed on an IBM netvista. i have updated this system
with the same command earlier also. my RHN over redhat.com shows some
updates pending.

---
 Rupendra Singh





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RE: auto complete using TAB

[Gregory Hosler]

Will they be able to "ls" ?

if yes, what you are asking has no point as they can just use "ls" to see what
you would prefer them not to see.

-Greg

On 20-Mar-02 Murtaza Hussain wrote:
> Hi,
> I am running a restricted bash shell with a restricted path. I would
> like to disable the TAB key as i dont want the users to have a look at
> the files that are in the PATH. Can anybody help me with that.
> Thanks
> Murtaza
> [EMAIL PROTECTED]  
>  

--
E-Mail: Gregory Hosler <[EMAIL PROTECTED]>
Date: 20-Mar-02
Time: 15:57:20

  If each of us have one object, and we exchange them,
 then each of us still has one object.
  If each of us have one idea,   and we exchange them,
 then each of us now has two ideas.

--



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Re: Pensacola

[Manuel A. Camacho Q.]

Well, I can't tell anything you don't already know: Beta is better than 
Alpha, but it is still unpredictable. I would not try it on production 
machines.

-Manuel.

Rodolfo J. Paiz wrote:

> The new beta... is it one of those polishing versions that makes things 
> a little better, or is it a remake-lots-of-stuff major move forward? I'd 
> like to take a look at it, but I'm a little concerned about its 
> potentially being sort of unstable and maybe beyond my level of 
> skill/patience/time.
> 
> Opinions? Thanks.
> 
> 




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auto complete using TAB

[Murtaza Hussain]

Hi,
    I am running a restricted bash 
shell with a restricted path. I would like to disable the TAB key as i dont want 
the users to have a look at the files that are in the PATH. Can 
anybody help me with that.
Thanks
    Murtaza
    [EMAIL PROTECTED]
 

Pensacola

[Rodolfo J. Paiz]

The new beta... is it one of those polishing versions that makes things a 
little better, or is it a remake-lots-of-stuff major move forward? I'd like 
to take a look at it, but I'm a little concerned about its potentially 
being sort of unstable and maybe beyond my level of skill/patience/time.

Opinions? Thanks.


-- 
Rodolfo J. Paiz
[EMAIL PROTECTED]



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Best way to change hostname

[Patrick Nelson]

So I finally got a DNS server working and it appears to work great.  I
created a local zone called npn so that a call to cvs.npn would hit the cvs
system.  Checked everything out with dig (great utility) and then did the
reverse DNS setup.  That tests out great too...  Something is got to be
wrong cause this isn't that hard (well a bit confusing).  So I go and start
to change the ns settings and the hostname settings of all the systems on
the npn private network.  OK for some reason this isn't as understandable as
I expected it to be.  I ran neat and under DNS tab I changed the following:

hostname  cvs.npn
domainnpn

Primary DNS   
Secondary DNS 
Tertiary DNS  

Added Search Domain npn

Is this the correct way to change the hostname and setup for the new DNS?
Is a reboot needed or logout needed?  If you have 2 NICS how do you go about
setting the host names?



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Re: [REDHAT] .htaccess/.passwd

[Maynard B. Fernando]

sir, thanks! i got it... :-)
- Original Message -
From: "David Kramer" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Wednesday, March 20, 2002 9:50 AM
Subject: Re: [REDHAT] .htaccess/.passwd


> On Tue, 19 Mar 2002, Maynard B. Fernando wrote:
>
> > Messageto all,
> >
> > i want to restrict a certain directory and have already these files
> > (.htaccess/.htpasswd) but it seems that it failed to take place. what
> > else should i do to make this thing possible? im pretty sure that the
> > contents of these files are all correct...
> >
> > please help me guys!? :-)
> >
> > thanks in advance...
>
> You probably need to enable them in your conf files.  Look for a section
> like this:
>
>   #
>   # This controls which options the .htaccess files in directories can
>   # override. Can also be "All", or any combination of "Options",
"FileInfo",
>   # "AuthConfig", and "Limit"
>   #
>
> and make sure it is set appropriately (ex- not set to "None").
>
> ---
>    David Kramer   http://thekramers.net
> DK KD
> DKK D  Intelligence is knowing how to build a nuclear bomb.
> DK KD  Wisdom is knowing how not to need them.
>   Shaggy 2 Dope- Insane Clown Posse
>
>
>
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Re: [REDHAT] .htaccess/.passwd

[Maynard B. Fernando]

> You probably need to enable them in your conf files.  Look for a section
> like this:
>
>   #
>   # This controls which options the .htaccess files in directories can
>   # override. Can also be "All", or any combination of "Options",
"FileInfo",
>   # "AuthConfig", and "Limit"
>   #
>
> and make sure it is set appropriately (ex- not set to "None").
>
i found it but sir, i dont know what would i put here! will you please teach
me :-)



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Re: [REDHAT] .htaccess/.passwd

[David Kramer]

On Tue, 19 Mar 2002, Maynard B. Fernando wrote:

> Messageto all,
> 
> i want to restrict a certain directory and have already these files
> (.htaccess/.htpasswd) but it seems that it failed to take place. what
> else should i do to make this thing possible? im pretty sure that the
> contents of these files are all correct...
> 
> please help me guys!? :-)
> 
> thanks in advance...

You probably need to enable them in your conf files.  Look for a section 
like this:

  #
  # This controls which options the .htaccess files in directories can
  # override. Can also be "All", or any combination of "Options",   "FileInfo",
  # "AuthConfig", and "Limit"
  #

and make sure it is set appropriately (ex- not set to "None").

---
   David Kramer   http://thekramers.net
DK KD
DKK D  Intelligence is knowing how to build a nuclear bomb.
DK KD  Wisdom is knowing how not to need them.
  Shaggy 2 Dope- Insane Clown Posse



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RE: Ipchains vs Iptables question

[Brian]

There are many GUI programs under freahmeat.net that can help you configure
iptables, check it out.

-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]]On Behalf Of Bill Crawford
Sent: Tuesday, March 19, 2002 5:43 PM
To: [EMAIL PROTECTED]
Subject: Re: Ipchains vs Iptables question


On Tue, 19 Mar 2002, Kerry Miller wrote:

> We have 2 firewalls running on ipchains now.  I'm not too great with
> ipchains yet and haven't even tried iptables, but since I already have
> working firewalls w/ ipchains, is there a way to use my current scripts
with
> iptables?  How much different is the syntax, or is there a way to import
the
> ipchains scripts into iptables then save them?  Or, is there a util that
> will convert them for me?

 I'm not aware of any tools either, but I simply wrote an iptables
version of what I wanted; the mechanics are not that dissimilar and
the syntax isn't all that much different either.

 A good way to start is probably to just create a couple of simple
rules from scratch, then save the results (using "iptables-save") to
a file and edit that.  Then "iptables-restore < file" will load the
new rules and tell you if you have any errors (they're not terribly
helpful error messages, but will tell you which line failed).

 To get you started, your first two rules should be something like:

# Generated by iptables-save v1.2.3 on Tue Feb 19 19:12:54 2002
*filter
:INPUT DROP [0:0]
:FORWARD DROP [0:0]
:OUTPUT ACCEPT [0:0]
-A INPUT -i lo -j ACCEPT
-A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT
...
COMMIT
# Completed on Tue Feb 19 19:12:54 2002

because they will a) make sure any local connections on the machine,
such as local mail delivery, won't break; and b) ensure your current
SSH session doesn't disappear when you load the new ruleset.  I can't
stress the latter enough; if you don't do this, with the best will in
the world, you may eventually lock yourself out of the box.  I have
done it, my colleagues have done it ...

 You need to make sure you don't have any ipchains rules in place
when you start, which means:

On RH, do "service ipchains stop" followed by unloading the
ipchains module(s), otherwise iptables won't load.

On anything else, whatever it takes to remove all the current
rules, followed by unloading ipchains from the kernel.

 This will leave you unprotected, so at this point it's probably best
to unplug the external network for a few minutes.  Don't do this while
you need that interface up ... so any documentation you happen to find
you will have to save locally before you start :o)

 Load the kernel module (modprobe ip_tables).  This is actually taken
care of by the iptables init script when you start the service up, but
it won't hurt to load it explicitly now, and then you can experiment
before you enable the service "properly" ...

 Load the "iptable_filter" module too, since that's usually the first
one you'll need.

 Now

# iptables -t filter -A INPUT -i lo -j ACCEPT
# iptables -t filter -A INPUT -m state --state RELATED,ESTABLISHED -j
ACCEPT

 Before you make any other changes, it's a good idea to do something
along the lines of

# at 'now + 3 minutes'
> /sbin/service iptables stop
> ^D (literal control-D)

so that if anything does go wrong, you'll be able to reconnect within
a few minutes.  Just in case.

 Each time you have a configuration that's tested and working, save
the current settings with

# iptables-save > /etc/sysconfig/iptables

or more succinctly

# service iptables save

> Tnx,
> Kerry
>
> Network Administrator
> Info-Power International, Inc.
> 3315 Silverstone
> Plano, TX  75023




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Re: Ipchains vs Iptables question

[Bill Crawford]

On Tue, 19 Mar 2002, Kerry Miller wrote:

> We have 2 firewalls running on ipchains now.  I'm not too great with
> ipchains yet and haven't even tried iptables, but since I already have
> working firewalls w/ ipchains, is there a way to use my current scripts with
> iptables?  How much different is the syntax, or is there a way to import the
> ipchains scripts into iptables then save them?  Or, is there a util that
> will convert them for me?

 I'm not aware of any tools either, but I simply wrote an iptables
version of what I wanted; the mechanics are not that dissimilar and
the syntax isn't all that much different either.

 A good way to start is probably to just create a couple of simple
rules from scratch, then save the results (using "iptables-save") to
a file and edit that.  Then "iptables-restore < file" will load the
new rules and tell you if you have any errors (they're not terribly
helpful error messages, but will tell you which line failed).

 To get you started, your first two rules should be something like:

# Generated by iptables-save v1.2.3 on Tue Feb 19 19:12:54 2002
*filter
:INPUT DROP [0:0]
:FORWARD DROP [0:0]
:OUTPUT ACCEPT [0:0]
-A INPUT -i lo -j ACCEPT 
-A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT
...
COMMIT
# Completed on Tue Feb 19 19:12:54 2002

because they will a) make sure any local connections on the machine,
such as local mail delivery, won't break; and b) ensure your current
SSH session doesn't disappear when you load the new ruleset.  I can't
stress the latter enough; if you don't do this, with the best will in
the world, you may eventually lock yourself out of the box.  I have
done it, my colleagues have done it ...

 You need to make sure you don't have any ipchains rules in place
when you start, which means:

On RH, do "service ipchains stop" followed by unloading the
ipchains module(s), otherwise iptables won't load.

On anything else, whatever it takes to remove all the current
rules, followed by unloading ipchains from the kernel.

 This will leave you unprotected, so at this point it's probably best
to unplug the external network for a few minutes.  Don't do this while
you need that interface up ... so any documentation you happen to find
you will have to save locally before you start :o)

 Load the kernel module (modprobe ip_tables).  This is actually taken
care of by the iptables init script when you start the service up, but
it won't hurt to load it explicitly now, and then you can experiment
before you enable the service "properly" ...

 Load the "iptable_filter" module too, since that's usually the first
one you'll need.

 Now

# iptables -t filter -A INPUT -i lo -j ACCEPT
# iptables -t filter -A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT

 Before you make any other changes, it's a good idea to do something
along the lines of

# at 'now + 3 minutes'
> /sbin/service iptables stop
> ^D (literal control-D)

so that if anything does go wrong, you'll be able to reconnect within
a few minutes.  Just in case.

 Each time you have a configuration that's tested and working, save
the current settings with

# iptables-save > /etc/sysconfig/iptables

or more succinctly

# service iptables save

> Tnx,
> Kerry
> 
> Network Administrator
> Info-Power International, Inc.
> 3315 Silverstone
> Plano, TX  75023




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.htaccess/.passwd

[Maynard B. Fernando]

Title: Message



to all,
 
i want to restrict a certain directory 
and have already these files (.htaccess/.htpasswd) but it seems 
that it failed to take place. what else should i do to make this thing possible? 
im pretty sure that the contents of these files are all correct... 
 
please help me guys!? :-)
 
thanks in advance...
 

Re: Installing Linux on AMD processor!!!!!

[Mike Watson]

Nope.  I'm running that right now with 7.2 and all the updates as of today.

mw

Manoj wrote:
> 
> Hello,
> 
> One of my friend has a PC with AMD Duron 1 Ghz processor. Is there any
> problem to install Linux 7.2 on it. Should I select any different options
> during Install?? Also to compile programs using gcc compiler are there any
> special options to be given during compiling or normal compiling options
> used on Intel P3 will for on it??
> 
> Thanks
> 
> Manoj
> 
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Re: Ipchains vs Iptables question

[Keith Morse]

On Tue, 19 Mar 2002, Kerry Miller wrote:

> We have 2 firewalls running on ipchains now.  I'm not too great with
> ipchains yet and haven't even tried iptables, but since I already have
> working firewalls w/ ipchains, is there a way to use my current scripts with
> iptables?  How much different is the syntax, or is there a way to import the
> ipchains scripts into iptables then save them?  Or, is there a util that
> will convert them for me?
> 
 AFAIK, there is no conversion tool other than your brain.  At best, your 
ipchains would server as a template for the things you are trying to 
manage.  Please consider investing in a book such as "Linux Firewalls" by 
Robert Zeigler.  He has an ipchains and an iptables edition.


There are numerous tools that help you generate a iptables firewall 
script.  www.freshmeat.net and use "firewall" as your search string.  The 
resulting number of hits astonishes me still.  My favourite is fwbuilder.  
I've heard of "firestarter" being bandied about by many people.






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Re: Replacement for telnet

[Anthony E. Greene]

-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1

On Mon, 18 Mar 2002, dbrett wrote:
>How does history do this?  I can't see anything there.

Login, do some things, then logut. When you log jback in, check the
~/bash_history file. It should have a record of your previous session.


Tony
- -- 
Anthony E. Greene 
OpenPGP Key: 0x6C94239D/7B3D BD7D 7D91 1B44 BA26 C484 A42A 60DD 6C94 239D
AOL/Yahoo Chat: TonyG05 HomePage: 
Linux. The choice of a GNU generation 

-BEGIN PGP SIGNATURE-
Version: GnuPG v1.0.6 (GNU/Linux)
Comment: Anthony E. Greene <[EMAIL PROTECTED]> 0x6C94239D

iD8DBQE8lwl3pCpg3WyUI50RAhAyAKCzJMkXP6kwmqmilkSxOLC6O5bU8gCgnHf0
5gQzMoxtPapmoq9C2xbhm/o=
=FQQ0
-END PGP SIGNATURE-



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Re: How to check HD's status?

[Anthony E. Greene]

On Tue, 19 Mar 2002, Roger wrote:
>i remember there is a command that has the same functions, like the
>ms-dos chkdsk. but i forget its name! can you help me remind of it?

fsck


Tony
-- 
Anthony E. Greene 
OpenPGP Key: 0x6C94239D/7B3D BD7D 7D91 1B44 BA26 C484 A42A 60DD 6C94 239D
AOL/Yahoo Chat: TonyG05 HomePage: 
Linux. The choice of a GNU generation 




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Ipchains vs Iptables question

[Kerry Miller]

We have 2 firewalls running on ipchains now.  I'm not too great with
ipchains yet and haven't even tried iptables, but since I already have
working firewalls w/ ipchains, is there a way to use my current scripts with
iptables?  How much different is the syntax, or is there a way to import the
ipchains scripts into iptables then save them?  Or, is there a util that
will convert them for me?

Tnx,
Kerry

Network Administrator
Info-Power International, Inc.
3315 Silverstone
Plano, TX  75023




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Re: Sendmail Email Size Limit

[Mike Burger]

Look for the parameter "MaxMessageSize" and set it to 400.

On 19 Mar 2002, Robert Dege wrote:

> 
> Using Sendmail 8.11.6, I want to restrict users who are using the mail
> server from sending emails over 4MB in size.
> 
> Here's what I'm trying to do:
> 
> +Users who use the mail server for SMTP services are prevented from   
>   sending email larger than 4MB in size 
> 
> +The mail server will still accept large email messages from anyone 
>   relaying from a different mail server. 
> 
> Can this be done?  I tried using "MaxMessageSize", but that blocks ALL
> messages, which is not what I want.
> 
> Any help is appreciated.
> 
> 



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Re: NS6 question...

[Alan Peery]

Nick Wilson wrote:

> -BEGIN PGP SIGNED MESSAGE-
> Hash: SHA1
>
> Hi
> does anyone know how I might stop NS6 putting the nsmail/ dir in my ~/
> everytime I accidentally click a mailto: link?

Change the default settings for where mail should be stored to something
else, like .nsmail. :-)

Alan



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Re: Sendmail antispam

[Lorris J. Woods]

Tomas in your /etc/mail/access file change DISCARD to REJECT and run the 
makemap  any time you update your access file this will update the 
access.db. I believe this will work for you.

--On Tuesday, March 19, 2002 9:34 AM +0100 Tomás García Ferrari 
<[EMAIL PROTECTED]> wrote:

> Hello,
>
> I'm trying to block some spammers using Sendmail (sendmail-8.11.6-1.6.y)
> access database (/etc/mail/access).
>
> My problem is that if I add -for example- this:
> 1.2.3.4 DISCARD
>
> then on my log file there are several 'discard' lines but much less
> 'discarded'... Some of the messages actually passed through! (not only
> analyzing the logs, but the users received them...)
>
> Any help on this topic?
>
> Regards,
> Tomás
>
> +----+
> Tomás García Ferrari
> Bigital
> http://bigital.com/
> +----+
>
>
>
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Re: commercial firewall

[Matthew Boeckman]

Patrick Beart wrote:

> At 5:38 PM -0500 3/18/02, Mike Burger wrote:
> 
>> On Mon, 18 Mar 2002, Patrick Beart wrote:
>>  > >
>>
>>>  >On Sat, 16 Mar 2002, Patrick Beart wrote:
>>>  >  >I'm new to the whole "security" thing, but I've learned that
>>>  >>a hardware appliance is better than software, if only for the fact 
>>> that
>>>  >>someone is technically already IN the machine when they hit the 
>>> firewall
>>
>>  > >>software. ...snip...
>>  > >
>>  > ...snip...
>>
>>> Having a PHYSICAL device sitting AHEAD of your server(s) is,
>>>  IMO, far superior to having the "software" sitting in that same
>>
>>  > server box(-es). ...snip...
>>  >I want the big electronic "bouncer" sitting OUTSIDE my
>>
>>>  virtual house, not in the foyer.
>>
>>
>> You've apparently missed the point that you could just as easily take an
>> old PC, install Linux with IPTables and just use it as a firewall, 
>> outside
>> of your servers, themselves.
> 
> 
> 
> 
> Why would I, or anyone, want to dedicate an entire 1U of space (or 
> MORE!) for a firewall device when my Netscreen isn't any bigger than a 4 
> port hub? (about 5 x 6 inches) Seems like a waste of cabinet space to 
> me, ... unless you're trying to secure more than a full cabinet worth of 
> servers.


not to step in in the middle of a conversation... but from what I see 
the low end netscreen doesn't have support for static mapping, or 
service based filtering. Having an old PC doing your firewalling 
_as_a_dedicated_device_ is a great idea. If you're trying to secure 
actual production stuff, low end appliances and old PC's are bad ideas 
for everyone. Stick to real enterprise products from Cisco and Checkpoint.


> 
> 
> 
> 
>> I'm doing this, here...I have a Pentium 200 dedicated to nothing but
>> iptables firewalling, and then I also have some additional iptables
>> firewalling on the server, itself.
>>
>> A little double whammy for the bad guys.
> 
> 
> 
> It's also twice the debugging, editing, and troubleshooting. 
> Enjoy!;-)


and it also follows best practices for security:-) Sure you can make 
things *simple* so you don't have to think and learn and understand... 
but you're not going to have a secured network that way. What he's doing 
  with his double whammy is the correct approach. If his network is 
compromised, attackers have to fight through additional layers of 
security. Again, best practices! Sounds like all someone has to do with 
your network is own one machine, and the rest is cake.

> 
> 
> 
> 
> Patrick Beart




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RE: setting up NIS

[Binyon Steve Contr Det 4 AFC2TIG/ASRCC]

on your yp server system:

chkconfig ypserv on
chkconfig yppasswd on

in /etc/sysconfig/network put:
NISDOMAIN=yourdomainname

check the file /var/yp/Makefile and make any adjustments (I cant remember if
I did or not).
ypinit -m 

in /var/yp
make host passwd shadow group [netgroup..]

as for the yp.conf I have one single line:
domain my.domain server myserver

I think that covers it.  I think the missing NISDOMAIN could be the
culpert...do a 
domainname and see if your domain name shows up.

We are heavy into NIS here, but I'm looking into LDAP as a possible better
secured solution, maybe you should to before you get tied up into it (just a
suggestion).

Hope this helps.

smbinyon


-Original Message-
From: Gordon Stewart [mailto:[EMAIL PROTECTED]]
Sent: Saturday, March 16, 2002 6:34 AM
To: [EMAIL PROTECTED]
Subject: setting up NIS


Dear List

I am trying to set up NIS on my machine. I have set up ypserv.

usr/sbin/rpcinfo -p localhost
   program vers proto   port
102   tcp111  portmapper
102   udp111  portmapper
142   udp934  ypserv
141   udp934  ypserv
142   tcp937  ypserv
141   tcp937  ypserv

but when I try and run ypbind start

i run for about 20 second then it comes with the following error:

Binding to the NIS domain...
Listening for an NIS domain server: ..ypwhich: Can't communicate
with ypbind

can anyone point me n the right direction in solving this.  Should I have
two items in my /etc/yp.conf for the client and server


Thanks

Gordon





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RE: commercial firewall

[Patrick Beart]

At 5:38 PM -0500 3/18/02, Mike Burger wrote:
>On Mon, 18 Mar 2002, Patrick Beart wrote:
>  > >
>>  >On Sat, 16 Mar 2002, Patrick Beart wrote:
>>  >  >I'm new to the whole "security" thing, but I've learned that
>>  >>a hardware appliance is better than software, if only for the fact that
>>  >>someone is technically already IN the machine when they hit the firewall
>  > >>software. ...snip...
>  > >
>  > ...snip...
>>  Having a PHYSICAL device sitting AHEAD of your server(s) is,
>>  IMO, far superior to having the "software" sitting in that same
>  > server box(-es). ...snip...
>  >I want the big electronic "bouncer" sitting OUTSIDE my
>>  virtual house, not in the foyer.
>
>You've apparently missed the point that you could just as easily take an
>old PC, install Linux with IPTables and just use it as a firewall, outside
>of your servers, themselves.



Why would I, or anyone, want to dedicate an entire 1U of 
space (or MORE!) for a firewall device when my Netscreen isn't any 
bigger than a 4 port hub? (about 5 x 6 inches) Seems like a waste of 
cabinet space to me, ... unless you're trying to secure more than a 
full cabinet worth of servers.




>I'm doing this, here...I have a Pentium 200 dedicated to nothing but
>iptables firewalling, and then I also have some additional iptables
>firewalling on the server, itself.
>
>A little double whammy for the bad guys.


It's also twice the debugging, editing, and troubleshooting. 
Enjoy!;-)




Patrick Beart
-- 

Web Architecture  &  "iWeb4Biz" 503-774-8280   Portland, OR
Internet Consulting, Intelligent Web site Development & Secure site Hosting.
http://www.WebArchitecture.com/

"This is an era when nonsense has become acceptable and sanity is 
controversial."
  - Thomas Sowell




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Re: ldconfig question

[Bill Crawford]

On Tue, 19 Mar 2002, Clifford Thurber wrote:

> 
> Bill,
> Thanks for your reply. So if I understand you correctly the 
> application(Cyrus in this case) was linked at compile time uwing the wrong 
> version of the lib. What is the procedure for just relinking my app? Again 
> I appreciate your feedback

 Basically, go into the build tree, delete the executable, make sure
you have "-L/usr/local/lib" before "-L/usr/lib" and type "make" again
might be enough.  I havn't seen cyrus close up, so I don't know its
build system; but I'm guessing there's a "configure" script, so if all
else fails try "LDFLAGS=-L/usr/local/lib ./configure --prefix=xxx"

 If you're daring there's a source RPM for db4 in Raw Hide ...




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Re: 2GB File Limit?

[Ed Wilts]

On Tue, Mar 19, 2002 at 09:16:43AM -0500, Speaks, Chuck W. wrote:
> Is there a 2GB individual file limit in RH Linux?  We are going to a RH
> 7.1/Oracle 9i RAC configuration and some sources are telling us that there
> is a 2GB file limitation in Linux.  Is this true? We have many database
> files greater than 2GB and need to know if we need to start splitting the
> files up.  Any information would be appreciated.

Hopefully somebody else can correct me if I'm wrong, but I believe that ext2
on a 2.2 kernel has a 2GB limit.  7.1 should allow you to run the 2.4 kernel
and I expect you'll be safe.

Here's a test from my 7.1 system:
[root@www ewilts]# dd if=/dev/hda of=/mnt/backups/foo.dmp count=2500M

5859253+0 records in
5859253+0 records out
[root@www ewilts]# ls -lh /mnt/backups/foo.dmp
-rw-r--r--1 root root 2.8G Mar 19 12:54 /mnt/backups/foo.dmp

[root@www ewilts]# df -T /mnt/backups
FilesystemType   1k-blocks  Used Available Use% Mounted on
/dev/hdb1 ext2 9614116   6070724   3055020  67% /mnt/backups

[root@www ewilts]# uname -r
2.4.9-31
[root@www ewilts]# cat /etc/redhat-release
Red Hat Linux release 7.1 (Seawolf)

So...if Oracle doesn't do anything special, you should be ok.  ext2 certainly
isn't complaining (for me anyway).

--
Ed Wilts, Mounds View, MN, USA
mailto:[EMAIL PROTECTED]



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Re: Destroy-ing an app in KDE

[Brian Ashe]

Hello Reuben,

Tuesday, March 19, 2002, 1:30:51 PM, you textually orated:

RDB> Hi, 
RDB> Is there any way to destroy an app (similar to kill -s 9 pid in console or 
RDB> ctrl+alt+del in win) using any GUI / point and click interface in KDE?
RDB> I can do that using module in FVWM, but have not find any way in KDE. I am in 
RDB> the process of teaching someone who are not very technical oriented to use 
RDB> linux

Use Ctrl-Esc to bring up Ksysguard. This will show you all of the apps
running (kind of like top for KDE). There is a "Kill" button in that.

-OR-

Hit Ctrl-Alt-Esc and this will give you a "Skull and Cross bones" cursor.
You simply click on the app you wish to kill.

Have fun,
-- 
_
 Brian Ashe CTO
 [EMAIL PROTECTED]  Dee-Web Software Services, LLC.
 http://www.dee-web.com/
-



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Diskless Clients

[Rhugga]

 
We have a 250-node Red Hat 7.2 cluster and we want 
to break it down into 5 racks of 50, each with a head node. I want to make each 
child node a diskless client of the head node. What is the best approach? I 
noticed several HOWTO's on different methods. I just wanted to get some feedback 
on the best method for purposes. 
 
The cluster is mainly used for image analysis of 
biotech data, the data being analyzed is mounted via NFS.
 
Thanks,
Chuck
 

Re: Destroy-ing an app in KDE

[Werner Puschitz]

On Tue, 19 Mar 2002, Reuben D Budiardja wrote:

> 
> Hi, 
> Is there any way to destroy an app (similar to kill -s 9 pid in console or 
> ctrl+alt+del in win) using any GUI / point and click interface in KDE?
> I can do that using module in FVWM, but have not find any way in KDE. I am in 
> the process of teaching someone who are not very technical oriented to use 
> linux

- Execute "xkill" at the command prompt, point the mouse to the 
  application you want to kill and hit the left mouse button.

- Go to the K menu -> System -> KDE System Guard, and check the process 
  table.

Werner




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RE: Kernell upgrade and 25, 50, 75 and 100 percent.

[Ismael Touama]

first link has still been read before my upgrade, don't saw anything
treating about what's smp, enterprise and debug kernel's...
So I read the rest...

-Message d'origine-
De : [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]]De la part de Saul Arias
Envoyé : mardi 19 mars 2002 17:54
À : [EMAIL PROTECTED]
Objet : Re: Kernell upgrade and 25, 50, 75 and 100 percent.


http://www.redhat.com/docs/manuals/linux/RHL-7.2-Manual/custom-guide/kernel.
html

And while you're at it, read this also:

http://www.redhat.com/docs/manuals/linux/RHL-7.2-Manual/custom-guide/ch-rpm.
html

On Tue, 2002-03-19 at 10:17, Ismael Touama wrote:
> Is there someone who can explain this to me ?
> Or giving a link...





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RE: Kernell upgrade and 25, 50, 75 and 100 percent.

[Ismael Touama]

Don't care my little tweety ;op I know that.
I intend to know what is current to Linux.
My own bash, my own kernel, my own compilation,
my own system...so by the way, I let me the time...
thx
ism

-Message d'origine-
De : [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]]De la part de Paul Stewart
Envoye : mardi 19 mars 2002 17:51
A : [EMAIL PROTECTED]
Objet : RE: Kernell upgrade and 25, 50, 75 and 100 percent.


Personally, I *never* use RPM for upgrades... Especially a kernel itself
due to "tweaking" that most people want/need for their specific system..

Just a helpful thought.. Learn how to do a source kernel build...:)

Paul


-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]
On Behalf Of Emmanuel Seyman
Sent: Tuesday, March 19, 2002 11:39 AM
To: [EMAIL PROTECTED]
Subject: Re: Kernell upgrade and 25, 50, 75 and 100 percent.


On Tue, Mar 19, 2002 at 05:17:06PM +0100, Ismael Touama wrote:
>
> Results during upgrade is as this:
> kernel..[25%]

You need this.

> kernel-debug[50%]

You probably do not need this.

> kernel-enterprise...[75%]
> kernel-smp..[100%]

You do not need this.

> Is there someone who can explain this to me ?

You screwed up.
Type the following command:

rpm -e kernel-debug kernel-entreprise kernel-smp

Then edit /etc/grub.conf and check that all images are valid. Insert a
disquette and type (as root):

mkbootdisk X.Y.Z-1.2.3

where X.Y.Z-1.2.3 is your *former* kernel.
Take the disquette out and reboot.

Emmanuel



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RE: Kernell upgrade and 25, 50, 75 and 100 percent.

[Ismael Touama]

Thanks emmannuel I will read Saul's links and 
then apply what you suggest. I have still a boot floppy
from my former config.
However I don't understand "screwed up"...you mean that I
waste my work ?
hmm', why don't erase directly the new image, as you say,
directly in grub.conf ? Ho, I will see by reading previous
mentionnezd links I suppose. I've still reboot and then notice
no problems for the moment.
Ok let's go reading and then after tomorrow will be time for APACHE !!
Thx,
ism


-Message d'origine-
De : [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]]De la part de Emmanuel Seyman
Envoye : mardi 19 mars 2002 17:39
A : [EMAIL PROTECTED]
Objet : Re: Kernell upgrade and 25, 50, 75 and 100 percent.


On Tue, Mar 19, 2002 at 05:17:06PM +0100, Ismael Touama wrote:
>
> Results during upgrade is as this:
> kernel..[25%]

You need this.

> kernel-debug[50%]

You probably do not need this.

> kernel-enterprise...[75%]
> kernel-smp..[100%]

You do not need this.

> Is there someone who can explain this to me ?

You screwed up.
Type the following command:

rpm -e kernel-debug kernel-entreprise kernel-smp

Then edit /etc/grub.conf and check that all images are valid.
Insert a disquette and type (as root):

mkbootdisk X.Y.Z-1.2.3

where X.Y.Z-1.2.3 is your *former* kernel.
Take the disquette out and reboot.

Emmanuel



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RE: Kernell upgrade and 25, 50, 75 and 100 percent.

[Ismael Touama]

thx...Saul

-Message d'origine-
De : [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]]De la part de Saul Arias
Envoyé : mardi 19 mars 2002 17:54
À : [EMAIL PROTECTED]
Objet : Re: Kernell upgrade and 25, 50, 75 and 100 percent.


http://www.redhat.com/docs/manuals/linux/RHL-7.2-Manual/custom-guide/kernel.
html

And while you're at it, read this also:

http://www.redhat.com/docs/manuals/linux/RHL-7.2-Manual/custom-guide/ch-rpm.
html

On Tue, 2002-03-19 at 10:17, Ismael Touama wrote:
> Is there someone who can explain this to me ?
> Or giving a link...





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Re: Kernell upgrade and 25, 50, 75 and 100 percent.

[Saul Arias]

http://www.redhat.com/docs/manuals/linux/RHL-7.2-Manual/custom-guide/kernel.html

And while you're at it, read this also:

http://www.redhat.com/docs/manuals/linux/RHL-7.2-Manual/custom-guide/ch-rpm.html

On Tue, 2002-03-19 at 10:17, Ismael Touama wrote:
> Is there someone who can explain this to me ?
> Or giving a link...





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RE: Kernell upgrade and 25, 50, 75 and 100 percent.

[Paul Stewart]

Personally, I *never* use RPM for upgrades... Especially a kernel itself
due to "tweaking" that most people want/need for their specific system..

Just a helpful thought.. Learn how to do a source kernel build...:)

Paul


-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]
On Behalf Of Emmanuel Seyman
Sent: Tuesday, March 19, 2002 11:39 AM
To: [EMAIL PROTECTED]
Subject: Re: Kernell upgrade and 25, 50, 75 and 100 percent.


On Tue, Mar 19, 2002 at 05:17:06PM +0100, Ismael Touama wrote:
>
> Results during upgrade is as this:
> kernel..[25%]

You need this.

> kernel-debug[50%]

You probably do not need this.

> kernel-enterprise...[75%]
> kernel-smp..[100%]

You do not need this.

> Is there someone who can explain this to me ?

You screwed up.
Type the following command:

rpm -e kernel-debug kernel-entreprise kernel-smp

Then edit /etc/grub.conf and check that all images are valid. Insert a
disquette and type (as root):

mkbootdisk X.Y.Z-1.2.3

where X.Y.Z-1.2.3 is your *former* kernel.
Take the disquette out and reboot.

Emmanuel



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Sendmail Email Size Limit

[Robert Dege]

Using Sendmail 8.11.6, I want to restrict users who are using the mail
server from sending emails over 4MB in size.

Here's what I'm trying to do:

+Users who use the mail server for SMTP services are prevented from   
  sending email larger than 4MB in size 

+The mail server will still accept large email messages from anyone 
  relaying from a different mail server. 

Can this be done?  I tried using "MaxMessageSize", but that blocks ALL
messages, which is not what I want.

Any help is appreciated.

-- 

-Rob



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Re: Kernell upgrade and 25, 50, 75 and 100 percent.

[Emmanuel Seyman]

On Tue, Mar 19, 2002 at 05:17:06PM +0100, Ismael Touama wrote:
>
> Results during upgrade is as this:
> kernel..[25%]

You need this.

> kernel-debug[50%]

You probably do not need this.

> kernel-enterprise...[75%]
> kernel-smp..[100%]

You do not need this.

> Is there someone who can explain this to me ?

You screwed up.
Type the following command:

rpm -e kernel-debug kernel-entreprise kernel-smp

Then edit /etc/grub.conf and check that all images are valid.
Insert a disquette and type (as root):

mkbootdisk X.Y.Z-1.2.3

where X.Y.Z-1.2.3 is your *former* kernel.
Take the disquette out and reboot.

Emmanuel



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Re: rm & locate

[Gaziz Nugmanov]

Hello Jackrabbit,

Hmm, funny thing is that you have a copy in browser cache and you can
run updatedb to refresh locate's database :)

Thursday, February 07, 2002, 4:15:37 PM, you wrote:

JS> I did this:

JS> #rm /var/www/html/poweredby.png

JS> and the file seems to be gone (if I do an ls in /var/www/html).  BUT if I do
JS> a "locate poweredby.png" it still finds it in the exact same place AND
JS> http://localhost/poweredby.png will still bring it up onto my browser after
JS> a refresh.  Any ideas?




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-- 
Best regards,
Gaziz Nugmanov



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Re: ldconfig question

[Clifford Thurber]

Bill,
Thanks for your reply. So if I understand you correctly the 
application(Cyrus in this case) was linked at compile time uwing the wrong 
version of the lib. What is the procedure for just relinking my app? Again 
I appreciate your feedback


At 02:49 PM 3/19/2002 +, you wrote:
>On Tue, 19 Mar 2002, Clifford Thurber wrote:
>
> > Hello,
> > I recently installed BerkeleyDB 4.0.14 on a 7.1 system in order to run the
> > Cyrus IMAP server. When I try to start the application I am getting the
> > error message:
> >
> > Compiled against 4.0.14 but linked against 3.1
>
>  Sounds like you ended up linking to /lib/libdb.so and that was 3.x,
>not your 4.x lib.  Make sure that ld is searching /usr/local/lib first
>at link time, rather than run time, which is what LD_LIBRARY_PATH is
>specifying.  You might need to link against "-ldb-4.0" not "-ldb" too.
>
> > I have set my LD_LIBRARY_PATH variable to search /usr/local first. However
> > this has no effect on the behavior causing the message. I then edited
> > /etc/ld.so.config and placed /usr/local/lib near the top and ran ldconfig.
> > This didn't seem to remedy the problem either. It looks like the 3.1
> > library that is getting used for run time linking is part of the Red Hat
> > Distro so I don't want to muck with it. Can anybody give me some feedback
> > as to a work around for this?
>
>  It sounds like you need to rebuild your app, at least redo the link
>step, to make sure that you are looking for the right library.  It
>sounds to me like ld is searching for the wrong library, in which case
>it won't matter what search order you are using.
>
> > Thanks
>
>
>
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Kernell upgrade and 25, 50, 75 and 100 percent.

[Ismael Touama]

Hi,
I'd just update my kernel. 
I've to change grub.conf now!
Results during upgrade is as this:
kernel..[25%]
kernel-debug[50%]
kernel-enterprise...[75%]
kernel-smp..[100%]

Is there someone who can explain this to me ?
Or giving a link...
Thank you,
ism
"Somehow we're all, learning to crawl!" -Burning Heads-



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Re: newbie kernel upgrade questions

[David Talkington]

-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1

Frank Reichenbacher wrote:

>First question -- Can a RH 7.0 machine run the 2.4 kernel? Or do I have to
>upgrade the OS to RH 7.1 and up?

Treading lightly here, because anything can happen, but I know that we 
did that with no trouble on 7.0.  YMMV.

>Second question -- I installed the 2.2.19 kernel from source because I was
>too chicken-shit to trust up2date to do it for me. Later versions of up2date
>seem to be handling it well, however, and installing a kernel from source is
>incredibly nerve wracking for a newbie (I didn't change/compile anything
>different into the 2.2.19 kernel when I installed anyways). So is it safe
>for me to let up2date handle a 2.4 kernel install?

No comment here; I don't trust rpm for kernel installs (though it's 
safer with grub than it was with LILO).

- -d


- -- 
David Talkington

PGP key: http://www.prairienet.org/~dtalk/0xCA4C11AD.pgp

-BEGIN PGP SIGNATURE-
Version: PGP 6.5.8
Comment: Made with pgp4pine 1.75-6

iQA/AwUBPJdhir9BpdPKTBGtEQJ8WwCgzPIEQOYq+J2xwrfZT9HQf381ZesAoK/R
K6VI4GQPYzAVMaPAhaRymufo
=KtCe
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Re: video tape recording/editing?

[Vidiot]

>Has anyone taken video tapes, recorded them into mpegs on their linux 
>box, modified the film (edited out frames or modified frames) then 
>written it back to tape (or dvd) for home movies?

Film?  You can't edit FILM in a computer, especially when it is shot on
video tape.  Any film that is edited is done so by converting to video.
For feature film it is scanned frame by frame and transferred into the
computer.  I'd love to know how physical film is edited in a computer :-)

On a serious note, You do not want to convert to the form of MPEG that is
used on DVDs, since that cannot be edited very well.  You can only edit
on I frame boundaries, which is about every 1/2 second.  If you create all
I frames, then you can edit on video frame boundaries.

Video editing under Linux is getting better, but unfortunately I still
do all my DVCAM editing under Windoze, using Premiere and/or Cinestream.
DVD authoring is still a PeeCee thing.

>I'd like to look at what options are available.

Join the video4linux mail list.

MB
-- 
e-mail: [EMAIL PROTECTED]   It is God's job to forgive bin Laden.
It is our job to set up the meeting.
U.S. Marine Corp.
Visit - URL: http://www.vidiot.com/  (Your link to Star Trek and UPN)



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Re: 2GB File Limit?

[Gene Sais]

was ext3, then remounted as ext2.  oracle prior to 8i didn't support >2gb files.

>>> [EMAIL PROTECTED] 03/19/02 10:16AM >>>
>
>


18gb file?

Are you running ext3 filesystem on 7.2?

Frank


>
>
>9i RH 7.2, I have a 18gb file.
>
>>> [EMAIL PROTECTED] 03/19/02 09:16AM >>>

>Is there a 2GB individual file limit in RH Linux?  We are going to a RH
>7.1/Oracle 9i RAC configuration and some sources are telling us that there
>is a 2GB file limitation in Linux.  Is this true? We have many database
>files greater than 2GB and need to know if we need to start splitting the
>files up.  Any information would be appreciated.
>
>Thanks,
>
>Chuck Speaks
>Database Administrator
>Lithonia Lighting
>770-860-3450
>http://www.lithonia.com 
>
>
>



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Re: ldconfig question

[Bill Crawford]

On Tue, 19 Mar 2002, Clifford Thurber wrote:

> Hello,
> I recently installed BerkeleyDB 4.0.14 on a 7.1 system in order to run the 
> Cyrus IMAP server. When I try to start the application I am getting the 
> error message:
> 
> Compiled against 4.0.14 but linked against 3.1

 Sounds like you ended up linking to /lib/libdb.so and that was 3.x,
not your 4.x lib.  Make sure that ld is searching /usr/local/lib first
at link time, rather than run time, which is what LD_LIBRARY_PATH is
specifying.  You might need to link against "-ldb-4.0" not "-ldb" too.

> I have set my LD_LIBRARY_PATH variable to search /usr/local first. However 
> this has no effect on the behavior causing the message. I then edited 
> /etc/ld.so.config and placed /usr/local/lib near the top and ran ldconfig. 
> This didn't seem to remedy the problem either. It looks like the 3.1 
> library that is getting used for run time linking is part of the Red Hat 
> Distro so I don't want to muck with it. Can anybody give me some feedback 
> as to a work around for this?

 It sounds like you need to rebuild your app, at least redo the link
step, to make sure that you are looking for the right library.  It
sounds to me like ld is searching for the wrong library, in which case
it won't matter what search order you are using.

> Thanks



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video tape recording/editing?

[Frank Carreiro]

Has anyone taken video tapes, recorded them into mpegs on their linux 
box, modified the film (edited out frames or modified frames) then 
written it back to tape (or dvd) for home movies?

I'd like to look at what options are available.

I appreciate any comments on what the community has done.

Thx

Frank



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Re: 2GB File Limit?

[Frank Carreiro]

>
>


18gb file?

Are you running ext3 filesystem on 7.2?

Frank


>
>
>9i RH 7.2, I have a 18gb file.
>
>>> [EMAIL PROTECTED] 03/19/02 09:16AM >>>

>Is there a 2GB individual file limit in RH Linux?  We are going to a RH
>7.1/Oracle 9i RAC configuration and some sources are telling us that there
>is a 2GB file limitation in Linux.  Is this true? We have many database
>files greater than 2GB and need to know if we need to start splitting the
>files up.  Any information would be appreciated.
>
>Thanks,
>
>Chuck Speaks
>Database Administrator
>Lithonia Lighting
>770-860-3450
>http://www.lithonia.com 
>
>
>



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Microsoft 'killed Dell Linux' - States

[Werner Puschitz]

http://www.theregister.co.uk/content/4/24478.html







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newbie kernel upgrade questions

[Frank Reichenbacher]

I have a RH 7.0 machine with the 2.2.19 kernel that I installed from source.
I'd like to use the 2.4 kernel iptables capability to help tighten security.

First question -- Can a RH 7.0 machine run the 2.4 kernel? Or do I have to
upgrade the OS to RH 7.1 and up?

Second question -- I installed the 2.2.19 kernel from source because I was
too chicken-shit to trust up2date to do it for me. Later versions of up2date
seem to be handling it well, however, and installing a kernel from source is
incredibly nerve wracking for a newbie (I didn't change/compile anything
different into the 2.2.19 kernel when I installed anyways). So is it safe
for me to let up2date handle a 2.4 kernel install?

Frank



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Re: 2GB File Limit?

[Gene Sais]

9i RH 7.2, I have a 18gb file.

>>> [EMAIL PROTECTED] 03/19/02 09:16AM >>>
Is there a 2GB individual file limit in RH Linux?  We are going to a RH
7.1/Oracle 9i RAC configuration and some sources are telling us that there
is a 2GB file limitation in Linux.  Is this true? We have many database
files greater than 2GB and need to know if we need to start splitting the
files up.  Any information would be appreciated.

Thanks,

Chuck Speaks
Database Administrator
Lithonia Lighting
770-860-3450
http://www.lithonia.com 



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ldconfig question

[Clifford Thurber]

Hello,
I recently installed BerkeleyDB 4.0.14 on a 7.1 system in order to run the 
Cyrus IMAP server. When I try to start the application I am getting the 
error message:

Compiled against 4.0.14 but linked against 3.1

I have set my LD_LIBRARY_PATH variable to search /usr/local first. However 
this has no effect on the behavior causing the message. I then edited 
/etc/ld.so.config and placed /usr/local/lib near the top and ran ldconfig. 
This didn't seem to remedy the problem either. It looks like the 3.1 
library that is getting used for run time linking is part of the Red Hat 
Distro so I don't want to muck with it. Can anybody give me some feedback 
as to a work around for this?

Thanks



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Re: OT usb mouse

[hanfamily]

Thanks,
I was thinking about it because I am having trouble
mastering drag and drop with the touchpad
On Tue, 19 Mar 2002, Statux wrote:

> USB devices are typically hot-pluggable. Certain devices can tollerate 
> such behavior better than others, however.
> 
> There's a big catch, here, though. You'd have to restart gpm or X or 
> whatever is controlling the mouse.. and you'll have to change the 
> options/config before restarting.
> 
> Why would you even consider going back and forth between two mice, though?
> 
> On Mon, 18 Mar 2002 [EMAIL PROTECTED] wrote:
> 
> > Hi all,
> > Off topic question can you plug in a usb mouse to a laptop
> > after it is booted and have it work and unplug it and go
> > back to using the touchpad or is it just like a ps2 mouse
> > you have to plug it in before you boot?
> >  Thanks
> >  Linda
> > 
> > 
> > 
> > ___
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> > 
> 
> 



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2GB File Limit?

[Speaks, Chuck W.]

Is there a 2GB individual file limit in RH Linux?  We are going to a RH
7.1/Oracle 9i RAC configuration and some sources are telling us that there
is a 2GB file limitation in Linux.  Is this true? We have many database
files greater than 2GB and need to know if we need to start splitting the
files up.  Any information would be appreciated.

Thanks,

Chuck Speaks
Database Administrator
Lithonia Lighting
770-860-3450
http://www.lithonia.com



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Re: Interpreting /var/log/messages

[Ray Curtis]

> "m" == manzabar  <[EMAIL PROTECTED]> writes:

m> I'm looking for a website that will allow me to past in messages from this
m> log file that contain information logged by iptables, so that it turns
m> stuff like this:
m> Mar 18 19:56:27 c896765-a kernel: IN=eth0 OUT=
m> MAC=01:00:5e:00:00:01:00:20:40:6a:4d:1b:08:00 SRC=192.168.100.1
m> DST=224.0.0.1 LEN=28 TOS=0x00 PREC=0xC0 TTL=1 ID=0 PROTO=2

m> Into something that is a bit more readable.  I know there have been links
m> posted previously, but I had no luck searching the archives and I lost the
m> links in one of my last system upgrades.  Any help is greatly appreciated!

http://www.ccux.com/firewall-seen.shtml

-- 
Ray Curtis 
mailto:[EMAIL PROTECTED] http://www.ccux.com



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Re: Sendmail antispam

[Tomás García Ferrari]

> If you are blocking by IP address, why not use ipchains instead? Then
> sendmail will not even see the connection attempt because the packets will
> be rejected.

Yes, I could do so... But is that meaning that Sendmail antispam is not
working properly?

I decided to use an IP address because the spammer is modifying the headers
of the message randomly. I am having an attack to one of our clients, and
the guy is desperate.

Even if Sendmail is catching the message and recognizing it to "discard",
some messages are passing through... :(

Any other idea?

Regards,
Tomás

+----+
Tomás García Ferrari
Bigital
http://bigital.com/
+----+



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Re: Interpreting /var/log/messages

[Manzabar]

Sorry for the double-post, I was getting a message back that my e-mail had
bounced.

Mark McKibben [EMAIL PROTECTED]
http://www.avalon.net/~manzabar
ICQ#  8476502

Experience is that marvelous thing that enables you recognize a mistake
when you make it again.
 - Unknown



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RE: Please help with IP Masquerading

[Furnish, Trever G]

If you plan on publishing your results back to the list it would also be
interesting to see a comparison between ipchains and iptables, which is also
included with RH7.2.  The masquerading made simple howto provides a quick
example of using iptables for masqerading:

http://www.linuxdoc.org/HOWTO/Masquerading-Simple-HOWTO/

-t.


-Original Message-
From: BG [mailto:[EMAIL PROTECTED]]
Sent: Tuesday, March 19, 2002 2:08 AM
To: [EMAIL PROTECTED]
Subject: RE: Please help with IP Masquerading


thanks!


> -Original Message-
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED]]On Behalf Of Pieter De Wit
> Sent: Monday, March 18, 2002 10:55 PM
> To: '[EMAIL PROTECTED]'
> Subject: RE: Please help with IP Masquerading
> 
> 
> Hello Bill,
> 
> Check if ipchains is loaded, otherwise just run "insmod 
> ipchains" before the
> whole script.
> 
> Cheers,
> 
> Pieter
> 
> -Original Message-
> From: BG [mailto:[EMAIL PROTECTED]]
> Sent: 18 March 2002 18:42
> To: [EMAIL PROTECTED]
> Subject: Please help with IP Masquerading
> 
> 
> Hi All,
> 
> I have setup a new dual boot machine with W2k and RH 7.2.  I 
> want to test
> the reliability and speed differences between IP Masquerading 
> and Internet
> Connection Sharing.  This new machine has 2 ethernet cards, 
> one goes to the
> cable modem and the other to the internal network (static ip addr =
> 192.168.0.1).  I have tested the machne for internet access 
> in RH 7.2 and
> all works fine.  Also, I can ping the machine from all other internal
> network machines just fine.
> 
> I was previously running RH 7.1, an upgrade from 7.0, as my 
> internet server
> using IP Masquerading on another machine I have tucked away 
> untouched as a
> backup.  The new machine as above is intended to replace this backup
> machine.
> 
> I added to my rc.d file on the new machine the following from my old
> machine:
> 
> # IP Masquerading
> echo 1 > /proc/sys/net/ipv4/ip_forward
> extip = "`/sbin/ifconfig eth1 | grep | 'inet addr' | awk 
> '{print $2}' | sed
> -e 's/.*://'`"
> /sbin/ifconfig lo 127.0.0.1
> /sbin/route add -net 127.0.0.0 netmask 255.0.0.0 lo
> /sbin/ifconfig eth0 192.168.0.1
> /sbin/ifconfig eth1 $extip
> /sbin/route add $extip eth1
> /sbin/route add -net 192.168.0.0.0 eth0
> echo "loading IP Masquerading Modules..."
> /sbin/depmod -a
> /sbin/modprobe ipip
> /sbin/modprobe ip_masq_ftp
> /sbin/modprobe ip_masq_raudio
> /sbin/modprobe ip_masq_irc
> /sbin/modprobe ip_masq_autofw
> /sbin/modprobe ip_masq_cuseeme
> /sbin/modprobe ip_masq_portfw
> /sbin/modprobe ip_masq_quake
> /sbin/modprobe ip_masq_user
> /sbin/modprobe ip_masq_vdolive
> echo -n "Forward..."
> /sbin/ipchains -F forward
> /sbin/ipchains -P forward DENY
> /sbin/ipchains -A forward -j MASQ -s 192.168.0.0/24
> /sbin/ipchains -A forward -s 0.0.0.0/0 -d 0.0.0.0/0 -l -j REJECT
> echo "done."
> 
> This always worked fine on my old machine, but I get alot of 
> errors during
> boot on the new machine during run of rc.d.  The error 
> messages fly by so
> fast I can't read them.  IP masquerading does not work on the 
> new machine.
> 
> Please help.
> 
> Thanks,
> Bill
> 
> 
> 
> ___
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> 





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RE: /boot/grub/grub.conf 644

[Ismael Touama]

Oh sorry !
I didn't understand you were speaking about rights.
So if it's really in /boot/grub directory, you right,
it seems quite worrying...I have 600.
Also its maybe the rights link that can be disturbing too.
I have 777 !! (it may be normal for linked files [don't know yet links])
Ok, and it 's also troubling that the encryoted password can be read by all
!!
Ok it's disturbing me too so if you have more info ...
Thx
ism

-Message d'origine-
De : [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]]De la part de Ismael Touama
Envoye : mardi 19 mars 2002 12:39
A : [EMAIL PROTECTED]
Objet : RE: /boot/grub/grub.conf 644


Apparently and in my memory,
when I installed/choose this loader,
it hangs this new encryption.
Indeed I have a md5 password (?) line in my grub.conf.
However it hadn't been mentionned relative to ths update kernel
in the section speaking about ... ?
I don't mind, cause if the line appears it's you choose this
authentification,
if not, choice hadn't been done.
So two choices, to types of file structure.
...I guess.
ism

-Message d'origine-
De : [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]]De la part de David Talkington
Envoye : jeudi 14 mars 2002 21:54
A : [EMAIL PROTECTED]
Objet : /boot/grub/grub.conf 644


-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1


Is there any particular reason that this file, which contains an MD5
password, should be world readable?  I really don't like that.

- -d

- --
David Talkington

PGP key: http://www.prairienet.org/~dtalk/0xCA4C11AD.pgp

-BEGIN PGP SIGNATURE-
Version: PGP 6.5.8
Comment: Made with pgp4pine 1.75-6

iQA/AwUBPJEN7r9BpdPKTBGtEQI5yQCgn/f/Ic6acCq2drwzwmakkcjgYcUAn3Bz
CbeUnfw9LIqDo48zrbAmyPfQ
=UFw7
-END PGP SIGNATURE-




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Re: Sendmail antispam

[Anthony E. Greene]

-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1

On Tue, 19 Mar 2002, Tomás García Ferrari wrote:
>I'm trying to block some spammers using Sendmail (sendmail-8.11.6-1.6.y)
>access database (/etc/mail/access).
>
>My problem is that if I add -for example- this:
>1.2.3.4 DISCARD

If you are blocking by IP address, why not use ipchains instead? Then 
sendmail will not even see the connection attempt because the packets will 
be rejected.


Tony
- -- 
Anthony E. Greene 
OpenPGP Key: 0x6C94239D/7B3D BD7D 7D91 1B44 BA26  C484 A42A 60DD 6C94 239D
AOL/Yahoo Chat: TonyG05  HomePage: 
Linux: the choice of a GNU Generation. 

-BEGIN PGP SIGNATURE-
Version: GnuPG v1.0.6 (GNU/Linux)
Comment: Anthony E. Greene 0x6C94239D <[EMAIL PROTECTED]>

iD8DBQE8lySTpCpg3WyUI50RAmNmAJ9E6GKlnpS9PekS7lGjPlTkME2oGACgpIVp
4zJYjyia5DYtt4GPyi70S20=
=Rrzt
-END PGP SIGNATURE-



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RE: /boot/grub/grub.conf 644

[Ismael Touama]

Apparently and in my memory,
when I installed/choose this loader,
it hangs this new encryption.
Indeed I have a md5 password (?) line in my grub.conf.
However it hadn't been mentionned relative to ths update kernel
in the section speaking about ... ?
I don't mind, cause if the line appears it's you choose this
authentification,
if not, choice hadn't been done.
So two choices, to types of file structure.
...I guess.
ism

-Message d'origine-
De : [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]]De la part de David Talkington
Envoye : jeudi 14 mars 2002 21:54
A : [EMAIL PROTECTED]
Objet : /boot/grub/grub.conf 644


-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1


Is there any particular reason that this file, which contains an MD5
password, should be world readable?  I really don't like that.

- -d

- --
David Talkington

PGP key: http://www.prairienet.org/~dtalk/0xCA4C11AD.pgp

-BEGIN PGP SIGNATURE-
Version: PGP 6.5.8
Comment: Made with pgp4pine 1.75-6

iQA/AwUBPJEN7r9BpdPKTBGtEQI5yQCgn/f/Ic6acCq2drwzwmakkcjgYcUAn3Bz
CbeUnfw9LIqDo48zrbAmyPfQ
=UFw7
-END PGP SIGNATURE-




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Sendmail antispam

[Tomás García Ferrari]

Hello,

I'm trying to block some spammers using Sendmail (sendmail-8.11.6-1.6.y)
access database (/etc/mail/access).

My problem is that if I add -for example- this:
1.2.3.4 DISCARD

then on my log file there are several 'discard' lines but much less
'discarded'... Some of the messages actually passed through! (not only
analyzing the logs, but the users received them...)

Any help on this topic?

Regards,
Tomás

+----+
Tomás García Ferrari
Bigital
http://bigital.com/
+----+



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Re: Using njamd

[David Chao]

Hello Bill,

Thanks for giving me some tips on how to get njamd running. I followed your
advice and still couldn't get it to run. Then I decided to uninstall the
njamd rpm and download the .tar.gz package from the web. compile and install
it and it run from the start. seems that the previous rpm install (default
by Redhat) is broken.

BTW, do you know of any good tutorial to use njamd? I don't find the njamd
manpage of much help. It details those env variables but they don't make
much sense to me.

Best,
David

- Original Message -
From: "Bill Crawford" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Monday, March 18, 2002 6:27 AM
Subject: Re: Using njamd


On Sun, 17 Mar 2002, Bill Crawford wrote:

>  You might want to add
>
> export NJAMD_ALLOW_FREE_0=1

 You might also need NJAMD_NO_TRACE=1, there's a comment in the man
page that says:

   NJAMD_NO_TRACE=1
  When  debugging  programs  that use libraries compiled with
optimization
  greater than -O2 or with -fomit-frame-pointer, you must
disable tracing,
  or  NJAMD will segfault. This isn't really NJAMD's fault. Gcc
(see 'info
  gcc') claims that if __builtin_return_address  is  unavailable
it  will
  just  return NULL. Instead it segmentation faults. I've
notified the gcc
  team, but received no response.




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