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Yum curiosity: --obsoletes with update, useful or not?
by William L. Maltby 02 May '06

02 May '06

Got a wild hair this A.M. and decided to inundate my two brain cells. "Man yum" includes this: update If run without any packages, update will update every currently installed package. ... assumed to be a shell glob and any matches are then installed. If the --obsoletes flag is present yum will include package obsoletes in its calculations - this makes it better for distro- version changes, for example: upgrading from somelinux 8.0 to somelinux 9. Hmmm. Cell number 2 doesn't forget much. I recall several admonitions that major upgrade should take the form of a new install. E.g. CentOS 3* to CentOS 4*. The paragraph above *seems* to indicate that a major upgrade might be doable? Moreover, it prompts the questions: 1) "What are the downsides, if any?" 2) "Has anybody tried it recently?" 3) "Have any results to report?" No pressing need, just curious. TIA -- Bill

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Freenx Install problems
by Paul A Brown 02 May '06

02 May '06

Hi All, I am new to Centos so please bare with me :-( I installed Freenx using yam install freenx Everything worked fine (or so it seemed) When I ran 'nxserver start' I got NX> 100 NXSERVER - Version 1.4.0-44 OS (GPL) NX> 500 Error: Function start not implemented yet. NX> 999 Bye I have restarted sshd but it still doesn't work. Anyone have a Howto for Centos? Any ideas? Thanks in advance Paul

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wu-ftpd, proftpd, or vsftpd!
by John Pierce 02 May '06

02 May '06

I have tried to configure an ftp server on one of my machines, I want to all authenticated users to be able to upload files to the apache web root /var/www/html. This machine is behind a firewall/router and will not be exposed to the outside world. I want to know if someone can point me to a good tutorial on setting up one of these servers, I have read the man pages and googled for possible configurations and I still have not been successfull. I can log in as my normal user and see my home folder, but cannot upload to the web root. John -- Registered Linux User 263680, get counted at http://counter.li.org

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small "$" issue with samba on centos 4x [dnk]
by dnk 02 May '06

02 May '06

Good day..... This is a slightly older issue for me. In the past I had tried to install Samba on a centos 4.0 box, and the useradd tool on Centos 4 would not add the "$" character to the usernames being created. This showed up whenever a domain trust was trying to be established for a computer that was logging into the samba share for the first time. Maybe I messed something up, but it was not an issue on whitebox linux (which i ended up using for the install at that time) At any rate - I was wondering if anyone ran into this issue on the current 4.3 (or even 4.2 for that matter) version? I have another install coming up and I would * really * prefer to use the latest centos build. Thanks! Dustin

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freenx-0.5.0-8.c4.noarch.rpm is in testing
by Johnny Hughes 02 May '06

02 May '06

We have created a new version of freenx (freenx-0.5.0-8.c4.noarch.rpm) and moved it to the testing repo. This is based on the code displayed at the LWE in San Francisco ... http://lwn.net/Articles/146825/ http://www.linuxjournal.com/article/8489 (though it is not officially released as stable by the freenx people) This version should handle printing and reconnecting to running sessions much better. Running sessions (on the nx server, that is the machine you are connecting to) are stored in "/var/lib/nxserver/db/running" ... if you have been disconnected in the past, there may be several old sessions out there that need to be cleaned up ... go remove the sessions that are invalid (all of them in that directory if you do not have any open sessions to that server). There is no real auto cleanup of these if your session breaks ... I will try to develop something that works later. In the meantime, if you session list is to big and some are dead, you will have to delete them manually. This version also allows rootless mode, which is faster compression. So far, this is a major improvement to my user experience for NX. ------------------ Copy the testing CentOS-Testing.repo file from here: http://dev.centos.org/centos/4/ to /etc/yum.repos.d/ , then use this command to install freenx: yum --enablerepo=c4-testing install freenx nx Report issues with this to the freeenx tracker here: http://bugs.centos.org/view.php?id=1307 ------------------- A guide for setting up the NoMachine client (to connect to the freenx server, if you installed it) is here: http://fedoranews.org/contributors/rick_stout/freenx/ (you only need to do the client items, as the server is taken care of with the above yum install). Thanks, Johnny Hughes

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Hanging @ Sendmail During Boot
by Mark Sargent 02 May '06

02 May '06

Hi All, I have a coupla queries about my 2 latest installs of CentOS 4-3. When I first installed and logged in as the initial user, everything went well, and the system was fast. A reboot, and 2nd login gave the same. But, upon connecting to the net, the system hung at sendmail for almost 4mins, and then gave an error at login about not finding the host, and that Gnome may not work correctly, with options of Continue or try Again. After that, the system has become extensively slow. Any ideas why this would be this way? This is the 2nd machine, different locations, different media, that this has happened. Rather annoying. Cheers. Mark Sargent.

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Re: [CentOS] compiling Zaptel-1.2.4 on CentOS 4.3
by Ben Gore 02 May '06

02 May '06

A few days ago Mark Quitoriano posted: >Im having a problem compiling zaptel 1.2.4 on CentOS 4.3, anyone >encountered this problem before? >Here's the error i got: >make -C /lib/modules/2.6.9-34.EL/build SUBDIRS=/usr/src/zaptel-1.2.4 >XPPMOD=>modules . . . . >/usr/src/zaptel-1.2.4/zaptel.c:188: warning: 'fcstab' defined but not used >make[2]: *** [/usr/src/zaptel-1.2.4/zaptel.o] Error 1 >make[1]: *** [_module_/usr/src/zaptel-1.2.4] Error 2 >make[1]: Leaving directory `/usr/src/kernels/2.6.9-34.EL-i686' >make: *** [linux26] Error 2 I've run into this problem also and found out apparently this is a kernel bug affecting certain Red Hat and CentOS distributions. Details at https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=180568 Asterisk discussion at http://bugs.digium.com/view.php?id=6425

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Slashdot: Building A Web-And Mail Server With CentOS 4.3
by Mike Stankovic 02 May '06

02 May '06

I may not agree with everything they say, such as ISPConfig (I prefer webmin) but this tutorial offers a "step by step opportunity for newbies". Does this indicate that CentOS is now a "mainstream" distro? (Technically speaking its not CentOS 4.3 but CentOS 4 Update 3 but we are not into semantics). Article on Slash :- http://linux.slashdot.org/linux/06/05/01/1049254.shtml Howto itself :- http://www.howtoforge.com/perfect_setup_centos_4.3 __________________________________________________ Improve the mailing list by performing a simple search before posting and reading the FAQ/etiquette. Protect the integrity of your installation with the yum plugins. __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com

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kernel panic - spin_lock
by Will McDonald 02 May '06

02 May '06

Guys, one of our boxes just died with the following error: kernel panic - not syncing: fs/block_dev.c:396: spin_lock (fs/block_dev.c:c0361c0) already locked by fs/block_dev.c/287. The system's an LVS running CentOS 4.3: centos-release-4-3.2 kernel-2.6.9-34.EL ipvsadm-1.24-6 heartbeat-1.2.3.cvs.20050927-1.centos4 I note that there's a bug report filed related to CentOS 4.2: http://bugs.centos.org/view.php?id=1201&nbn=7 I was just wondering, would you like a bug report filed for this? Will.

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Please help! boot problem
by Mace Eliason 02 May '06

02 May '06

Hi, I have a setup with raid 1 and one drive has failed, and the other drive won't boot says missing os. I thought I had it setup and tested but it would appear that it wasn't setup to boot form either drive. How can I boot from the good drive that is missing the grub. I am thinking of using linux rescue when booting from the centos 4.2 disc This is a production machine and I don't want to mess it up. Please help

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