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34752 discussions

startx
by JC 26 May '06

26 May '06

Hi guy, I just installed centos 4.3 with minimal option, then installed gnome. X server is woriking, bu how do I run "startx" automatically after boot process completed? Thanks

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New member, new OS, old Tao user
by Steve Campbell 26 May '06

26 May '06

Mr. Parsley, the main man at the Tao Linux group, has announced that he will no longer be able to do his thing for Tao Linux. Just recently, I had decided to investigate CentOS 4 before his announcement, and liked a lot of what I saw. Due to the Tao announcement, I have decided that CentOS will "have" to be the OS for my company in the future. Hence, my new membership to this list. I would like any opionions any of you may have to offer, and perhaps, some suggestions on migration to CentOS 3.7 from Tao 1 Update 6. I have usually applied updates only when needed on my current servers. Some cannot be updated due to the commercial applications being ran on them. So my first concern is the lateral migration to make CentOS 3 work on my current Tao 1 machines. The next phase, which would have happened with Tao anyway, would be to upgrade to the 2.6 kernel of the newer release. Obviously, this will be CentOS 4 instead of Tao 4 now, but that will be much later. I apologize for the length of this, but could use the hindsight, or any other vision, that you might have on this switch over. My first thoughts would be that it shouldn't be that difficult, as both are based on the same sources, but things never seem to be as easy as I think they should. Most of my servers are service related (mailservers, web servers, etc), so this will need to be something I think about if there are great differences of which I am not aware. Unfortunately, I do not have spares to start from, so any suggestions should be based on upgrade/migrate versus installation. I couldn't find any "searchable" archives, and most of what I see is 4.3 related anyway, so I am sorry for not doing a lot of homework yet. But I will do my homework. Mr. Parsley has indicated that this is not urgent. I have nothing but respect for his efforts. Thanks for any time and suggestions you may have. Steve Campbell campbell(a)cnpapers.com Charleston Newspapers

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Congratulations to CentOS f@h team
by Sharon Kimble 26 May '06

26 May '06

Congratulations to all active members of the CentOS Folding@home team for breaking through the 500 barrier for team rankings. Well done all. But we still need more members for work unit crunching and more machines too. Further information can be found at http://www.sharons.org.uk/cf.html, along with information about the use of munin and foldingathome. Sharon. -- 17:00:06 up 11 days, 22:43, 1 user, load average: 1.74, 1.56, 1.63 A taste of linux http://www.sharons.org.uk/taste/index.html efever http://www.efever.blogspot.com/ Centos 4.3, KDE 3.5.2-4.3, OpenOffice 2.0.2 Registered Linux user 334501

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RE: [CentOS] New member, new OS, old Tao user
by Alex Palenschat 26 May '06

26 May '06

> -----Original Message----- > From: centos-bounces(a)centos.org > [mailto:centos-bounces@centos.org] On Behalf Of Steve Campbell > Sent: Friday, May 26, 2006 10:21 AM > To: CentOS Users > Subject: [CentOS] New member, new OS, old Tao user <snip> > I couldn't find any "searchable" archives, and most of what I > see is 4.3 > related anyway, so I am sorry for not doing a lot of homework > yet. But I > will do my homework. Mr. Parsley has indicated that this is > not urgent. I > have nothing but respect for his efforts. > > Thanks for any time and suggestions you may have. > > Steve Campbell > campbell(a)cnpapers.com > Charleston Newspapers > Searchable Archive: marc.theaimsgroup.com/ alex

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Do I need large Cyrus DB files?
by Steve Snyder 26 May '06

26 May '06

While investigating my earlier Sendmail confusion I noticed these files: # ll /var/lib/imap/db/ total 15952 -rw------- 1 cyrus mail 16384 Jan 22 04:02 __db.001 -rw------- 1 cyrus mail 663552 Jan 22 04:02 __db.002 -rw------- 1 cyrus mail 98304 Jan 22 04:02 __db.003 -rw------- 1 cyrus mail 22568960 Jan 22 04:02 __db.004 -rw------- 1 cyrus mail 32768 Jan 22 04:02 __db.005 -rw------- 1 cyrus mail 64 Jan 22 04:02 log.0000000001 The date/time stamps suggest that these files were create by a cron job the day after I installed CentOS v4.2 and have not been modified since. I haven't done any explicit Cyrus configuration, and actually I don't have a clear idea of what mail-related functionality Cyrus actually provides. If it is in use at all on my system it is done as some aspect of the default CentOS4 installation. Those __db files are not owned by any RPM package, although the /var/lib/imap/db/ is owned by the cyrus-imapd package. Do I really need a 22MB empty database file on my system?

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Three kernel RPMs at same time and yum error: "sem_post: Invalid argument"
by M. Fioretti 26 May '06

26 May '06

Greetings, I just ran "yum update" on a remote 4.2 Centos install. Then I typed "yum search some package" and got this error message repeating continuously: sem_post: Invalid argument A search for this message revealed only these links: http://www.linode.com/forums/archive/o_t/t_1898/centos4_installations_rpm_d… http://bugs.centos.org/view.php?id=1202 If I run the command to look for duplicated RPMs described in those pages I get: -bash-3.00# rpm -qa | sed 's/$[A-Za-z0-9]$-[0-9].*$/\1/' | sort | uniq -d kernel As a matter of fact, I also get: -bash-3.00# rpm -q kernel kernel-2.6.9-11.EL kernel-2.6.9-22.0.1.EL kernel-2.6.9-34.EL My question is, what is the best, safest way to fix the system? The hack described in those pages doesn't seem (to me) to apply directly to my case. Being the kernel involved, instead of normal packages, I'm hesitant to try something that, as far as I know, may bring this remote server in an unusable state. Any help is appreciated. Marco -- Marco Fioretti mfioretti, at the server mclink.it Fedora Core 5 for low memory http://www.rule-project.org/ If children must grow able to leverage computers to meet their own goals as free citizens, that's not possible with commercial software, period. -- Ruben Safir

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Recent CentOS4 kernel updates and CentOS Plus
by Bart Schaefer 26 May '06

26 May '06

If it wouldn't be too much trouble ... when a kernel security update notice is posted to the announcements list, would it be possible to indicate whether the centosplus kernel is also susceptible to the security issue being patched? I'm running the plus kernel now, and find myself wondering whether I will ever need to back off to the base kernel because of security issues. Or is it reliably the case that centosplus gets updated along with the base kernel whenever necessary if the upstream has released a security fix?

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dell b30
by thad 26 May '06

26 May '06

does anybody in the list has succesfully installed centos in dell b130? Im planning to use it for this laptop. thanks tad -- sometimes truth is stranger than fiction -bad religion- http://www.bloglines.com/blog/mailist

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Suggestions on initial CentOS 4.3 Install packages
by Phillips, Tod 26 May '06

26 May '06

Hello, all... I'm attempting to learn Linux (on a CentOS setup) by doing something productive at the same time. I've already installed it twice...once with a "full, just install everything" setup and another by following the Perfect CentOS 4.3 Web Server Setup instructions on HowToForge.com. Though I've had issues with both, I have a lot of patience and time is not a big concern. What I'd like to do is get some advice from the community on a good initial setup for my system by listing out some of the things I hope to do: 1) Set up a test Web Server for development of a soon-to-be-deployed rework of a client's website (I'll host the production site w/ an outside company). 2) I'd like to learn PHP and Apache while I'm reworking the site. 3) Learn all there is to know (ok, maybe just enough to not be dangerous) about securing the server. 4) Develop a program, most likely in C/C++, that can talk with my Company's mainframe and its communications software, either through web services/xml interfaces or directly through some sort of COM / .NET equivalent. The end result would be an application that can run on any Linux box with an Internet connection, giving users the ability to access and modify mainframe data, enter orders, etc. 5) Be able to retrieve email, surf the net, write and read documents (general office stuff) to become both more familiar with Linux apps AND to keep from needing to run to a different PC for these needs when they arise. I know I'll need the X Windows and Gnome stuff, but I'm concerned about dependencies and/or conflicts between the packages necessary for everything I want to do. I certainly want to use the Terminal prompts whenever possible -- particularly for setting up the networking and Apache server -- so that I can begin to learn Linux/Unix. The question really becomes: Can I do it all on one box or am I going to create a nightmare for myself because of overlapping programs that "hijack" critical functions from the web server, or vice-versa? I erased my original install (with everything) because it seemed more important to me to learn what it was I needed and install it manually later on if and when the need arose. Good thinking or...? Your thoughts are greatly appreciated, grayfire1229(a)netscape.net

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Sendmail burst of "rejecting connections" - why?
by Steve Snyder 26 May '06

26 May '06

What's the reason for the burst of sendmail complaints below? My CentOS 4.3 server only handles internal mail for my small network. It doesn't handle Internet mail at all, so I guess I can't blame a crack attempt for this. IPTables rules should prevent external connections to everything except SSH's port 22. I've looked through the other logs hoping that some other activity would be seen at this time as well. Nothing. the surrounding entries in /var/log/maillog are perfectly reasonable. As far as I can tell this 14-minute burst of sendmail activity exists in isolation. Can anyone suggest a reason for these log entries? Thanks. ------------------------------------------------- May 25 07:09:24 server sendmail[2942]: rejecting connections on daemon MTA: load average: 24 May 25 07:09:39 server sendmail[2942]: rejecting connections on daemon MTA: load average: 25 May 25 07:09:54 server sendmail[2942]: rejecting connections on daemon MTA: load average: 26 May 25 07:10:09 server sendmail[2942]: rejecting connections on daemon MTA: load average: 29 May 25 07:10:24 server sendmail[2942]: rejecting connections on daemon MTA: load average: 31 May 25 07:10:39 server sendmail[2942]: rejecting connections on daemon MTA: load average: 32 May 25 07:10:54 server sendmail[2942]: rejecting connections on daemon MTA: load average: 33 May 25 07:11:24 server last message repeated 2 times May 25 07:11:39 server sendmail[2942]: rejecting connections on daemon MTA: load average: 34 May 25 07:12:24 server last message repeated 3 times May 25 07:12:39 server sendmail[2942]: rejecting connections on daemon MTA: load average: 34 May 25 07:12:54 server sendmail[2942]: rejecting connections on daemon MTA: load average: 33 May 25 07:13:09 server sendmail[2942]: rejecting connections on daemon MTA: load average: 32 May 25 07:13:24 server sendmail[2942]: rejecting connections on daemon MTA: load average: 31 May 25 07:13:54 server last message repeated 2 times May 25 07:14:09 server sendmail[2942]: rejecting connections on daemon MTA: load average: 30 May 25 07:14:54 server last message repeated 3 times May 25 07:15:25 server last message repeated 2 times May 25 07:15:40 server sendmail[2942]: rejecting connections on daemon MTA: load average: 29 May 25 07:15:55 server sendmail[2942]: rejecting connections on daemon MTA: load average: 29 May 25 07:16:10 server sendmail[2942]: rejecting connections on daemon MTA: load average: 28 May 25 07:16:25 server sendmail[2942]: rejecting connections on daemon MTA: load average: 27 May 25 07:16:40 server sendmail[2942]: rejecting connections on daemon MTA: load average: 26 May 25 07:16:55 server sendmail[2942]: rejecting connections on daemon MTA: load average: 25 May 25 07:17:10 server sendmail[2942]: accepting connections again for daemon MTA May 25 07:17:45 server sendmail[2942]: rejecting connections on daemon MTA: load average: 24 May 25 07:18:00 server sendmail[2942]: rejecting connections on daemon MTA: load average: 25 May 25 07:18:15 server sendmail[2942]: rejecting connections on daemon MTA: load average: 27 May 25 07:18:30 server sendmail[2942]: rejecting connections on daemon MTA: load average: 28 May 25 07:18:45 server sendmail[2942]: rejecting connections on daemon MTA: load average: 29 May 25 07:19:00 server sendmail[2942]: rejecting connections on daemon MTA: load average: 30 May 25 07:19:45 server last message repeated 3 times May 25 07:20:00 server sendmail[2942]: rejecting connections on daemon MTA: load average: 29 May 25 07:20:15 server sendmail[2942]: rejecting connections on daemon MTA: load average: 28 May 25 07:20:45 server last message repeated 2 times May 25 07:21:00 server sendmail[2942]: rejecting connections on daemon MTA: load average: 25 May 25 07:21:15 server sendmail[2942]: accepting connections again for daemon MTA

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