Discuss April 2010

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265 participants
237 discussions

lokkit
by Jerry Geis 08 Apr '10

08 Apr '10

I have used lokkit to setup iptables ( I have a big script that does this) basically just ports I want with "--port=https:tcp" etc... I wish to allow igmp and add igmp to the lokkit command line? How do I do that? I can add this to /etc/sysconfig/iptables: iptables -A RH-Firewall-1-INPUT -i eth1 -j ACCEPT iptables -A RH-Firewall-1-INPUT -i eth1 -p igmp -j ACCEPT iptables-save > /etc/sysconfig/iptables and that works - but I wish my script and the lokkit command to do. "lokkit --help" goesnt give me anything that I saw. Thanks, Jerry

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Re: [CentOS] Consecutive Jobs
by Les Bell 08 Apr '10

08 Apr '10

"Joseph L. Casale" <jcasale(a)activenetwerx.com> wrote: >> It really is as simple as I wrote out earlier, multiple servers ssh a background job at nearly the same time consisting of an rsync command. The destination host for this target gets overwhelmed with more than one at a time... << This isn't a complete answer, but a possible approach: I'd use a named pipe on the destination host. Here's a little experiment to demonstrate. [user@dhost temp]$ mkfifo pipe [user@dhost temp]$ while true ; do ` < pipe` ; done Now, in another xterm: [user@dhost temp]$ echo date > pipe [user@dhost temp]$ echo 'ls -l' > pipe You can 'echo' commands to the pipe in multiple windows; the while loop will only read and execute one command at a time off the pipe. You can see where this is going - now your multiple servers just ssh those echo commands to the destination host and the corresponding commands are executed. I'll leave it to you to make it suitably robust if you go this way; you'll need to add some error handling, possibly signal handling, etc. but that's just standard shell scripting. Best, --- Les Bell [http://www.lesbell.com.au] Tel: +61 2 9451 1144

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vtund error
by Daniel Bruno 08 Apr '10

08 Apr '10

Hello, I have two hosts with a tunnel closed by vtun, when I reboot a host, the other show the error bellow. unregister_netdevice: waiting for tun0 to become free. Usage count = 6 OS version: CentOS 5.4 Vtund version: vtun-3.0.2-1 some idea about? Thanks -- Daniel Bruno http://danielbruno.eti.br danielbruno(a)projetofedora.org

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Re: [CentOS] [OT] Grep Patterns
by Slack-Moehrle 08 Apr '10

08 Apr '10

Hi Les, >White space could be a tab. '[[:space:]]CP_' should work, but why not use sed >and be done with it. ah, worked!. I was thinking way to much into this. I thought that I had to ignore what I didn't want, but in thie case what I dont want does not have a space so it would not show up anyway. Thank You very much. -Jason

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tunctl
by mattias 08 Apr '10

08 Apr '10

where to fidn the rpm package

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Consecutive Jobs
by Joseph L. Casale 08 Apr '10

08 Apr '10

Anyone know how to submit jobs to at or anything else that allows jobs submitted to a queue to be executed consecutively? I have a series of servers that submits a job via an ssh background job but I can only have one execute at any given time. Possibly some clever bash work? Thanks! jlc

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Need Desktop Shots for the Newsletter
by Geerd-Dietger Hoffmann 08 Apr '10

08 Apr '10

Hey As some of you might know the new Newsletter [1] has a section Desktop-Shots. Now I need YOU to send me your desktops so I can put them online. Please obfuscate personal details. Looking forward to seeing your funky workplaces. Cheers Didi [1] http://wiki.centos.org/Newsletter/1002 -- Hoffmann Geerd-Dietger http://contact.ribalba.de

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[Fwd: Re: DHCP server and Windows XP clients : set hostname ?]
by Niki Kovacs 08 Apr '10

08 Apr '10

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[OT] Grep Patterns
by Slack-Moehrle 08 Apr '10

08 Apr '10

Hi All, One of the text editors I use offers one to specify a grep pattern to do a multi-file search and I am not wrapping my head around proper RE patterns to accomplish using this. There are so many rules! Can anyone help with a specific example so I can try to understand better? How would I write I want to find 'CP_', but NOT instances of 'CPLAT::CP_'? -Jason

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Re: [CentOS] how to upgrade gtk on centos 4.8
by Michael Lampe 07 Apr '10

07 Apr '10

Tommy Zong wrote: > My centos is 4.8 while I need gtk 2.8 or later. How to upgrade GTK? You can't without breaking everything. But you can install an alternative version alongside and make sure that only the programs that need it are using it (that means you _can't_ just install to /usr/local). RH sometimes does this too. E.g. there are official packages for evolution 2.8 in the base repo: evolution28-2.8.0-61.el4.x86_64 evolution28-atk-1.12.2-4.el4.x86_64 evolution28-atk-devel-1.12.2-4.el4.x86_64 evolution28-cairo-1.2.4-6.el4.x86_64 evolution28-cairo-devel-1.2.4-6.el4.x86_64 evolution28-devel-2.8.0-61.el4.x86_64 evolution28-evolution-connector-2.8.0-16.el4.x86_64 evolution28-evolution-data-server-1.8.0-37.el4_7.2.x86_64 evolution28-evolution-data-server-devel-1.8.0-37.el4_7.2.x86_64 evolution28-glib2-2.12.3-6.el4.x86_64 evolution28-glib2-devel-2.12.3-6.el4.x86_64 evolution28-gtk2-2.10.4-25.el4.x86_64 evolution28-gtk2-devel-2.10.4-25.el4.x86_64 evolution28-gtkhtml3-3.12.0-11.el4.x86_64 evolution28-gtkhtml3-devel-3.12.0-11.el4.x86_64 evolution28-libsoup-2.2.98-5.el4.1.x86_64 evolution28-libsoup-devel-2.2.98-5.el4.1.x86_64 evolution28-pango-1.14.9-13.el4_8.x86_64 evolution28-pango-devel-1.14.9-13.el4_8.x86_64 As you can see, devel packages are even included. Your best bet is to install all the above (includes gtk 2.10) and then compile your stuff with something like env PKG_CONFIG_PATH=/usr/evolution28/lib64/pkgconfig:/usr/lib64/pkgconfig LDFLAGS="-Wl,-rpath -Wl,/usr/evolution28/lib64" ./configure Hope this helps, -Michael

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Discuss April 2010