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Re: [CentOS] DKMS and new(er) Nvidia-drivers
by Scott Silva 14 Apr '09

14 Apr '09

on 4-6-2009 5:55 AM Sorin Srbu spake the following: > I got the DKMS-system working and now have the Nvidia-drivers v173.08 > installed (using rpmforge as suggested previously). Unfortunately this > particular driver version gives me screen artifacts so as to make the screen > more or less unreadable. > > Nvidia's proprietary drivers are now up to v180.44 and this version is fine > with my test system. > > I really like the DKMS-system, as it enables me to keep kernel and > gfx-drivers up-to-date on our course-lab computers doing 3D-molecular > modeling. However if I can't make use of newer, and better, drivers this > whole thing is borked for me... 8-/ > > My question is who updates those drivers, as the v173.08 Nvidia drivers are > now almost a year old? Would there be any other good repo with more current > drivers suitable for use with DKMS and CentOS? > The repos I found are tagged with PCLinux, Mandriva and Ubuntu to name a few. > I'm not quite sure these rpms would work with CentOS and the dkms install > there. > > Any hints appreciated. Thanks. > You could always try and make a newer version yourself using the old one as a template. Here is some help; http://www.linuxjournal.com/article/6896 http://www.dell.com/downloads/global/power/1q04-ler.pdf http://linux.dell.com/dkms/dkms-ols2004.pdf

3 3

Clamav engine updates
by Mike Yates 14 Apr '09

14 Apr '09

Hi I get this on every scan report:- LibClamAV Warning: *********************************************************** LibClamAV Warning: *** This version of the ClamAV engine is outdated. *** LibClamAV Warning: *** DON'T PANIC! Read http://www.clamav.net/support/faq *** LibClamAV Warning: *********************************************************** ----------- SCAN SUMMARY ----------- Known viruses: 538589 Engine version: 0.94.2 yet "yum update clamd clamav clamav-db" returns "No Packages marked for Update". Is there a yum URL I should add to get 0.95.1 (and onwards) from CentOS or Redhat, or must I "roll my own" ? Mike Yates MBCS CITP (ISSG) IT Support Engineer Hawkgrove Ltd - Software Systems Design 2, The Business Courtyard, Marl Pits Lane, Trudoxhill, Frome, Somerset, BA11 5DL, UK +44 (0)1373 837900 fax: +44 (0)8700 518155 Registered in England: 2756481 VAT Reg: UK 601 1137 11 Registered Office: NSO Associates LLP, 75 Springfield Road, Chelmsford, Essex CM2 6JB All e-mail is subject to contract and is not intended to create a legally binding agreement. Hawkgrove Ltd will only be bound by an agreement in writing signed by an authorized signatory. All outgoing email is scanned by Kerio, using ClamAV Antivirus.

2 1

httpd with SNI
by German Pulido 14 Apr '09

14 Apr '09

Hi! I am currently publishing some web services on a Centos 5.3 server on my office using the included apache httpd. They are available from the Internet, and they require validation (username/password). I would like to publish them all under https, so the passwords won't travel unencrypted, but then all my sites use the same certificate on apache httpd. The solution to this is using an httpd server that supports SNI: <http://en.wikipedia.org/wiki/Server_Name_Indication> however, the httpd included in Centos does not have this feature. Question is: have anybody made httpd RPMs for CentOS supporting this feature? (according to the link, httpd supports this since 2.2.11) or maybe they can be requested on the CentOS Plus repositories? Thanks!

5 4

Repo for Abiword
by centos＠911networks.com 14 Apr '09

14 Apr '09

Hi, I need to run Abiword on CentOS 5.3, any repository? -- Thanks

5 4

Odd SELinux messages during+after 5.3 upgrade (system_mail_t and postfix_postdrop_t access rpm_var_lib_t)
by Dan Mensom 14 Apr '09

14 Apr '09

Hey guys, I've been getting some strange selinux messages after the 5.3 upgrade. It appears as though my mail system (postfix) is constantly trying to access the rpm database? Here's the audit messages (I tend to look at my selinux messages using audit2allow < /var/log/audit.log as I find it easier to read quickly): allow postfix_postdrop_t rpm_t:tcp_socket { read write }; allow postfix_postdrop_t rpm_var_lib_t:file { read write }; allow postfix_postdrop_t user_home_t:file { getattr append }; allow postfix_postdrop_t var_lib_t:file write; allow system_mail_t rpm_t:tcp_socket { read write }; allow system_mail_t rpm_var_lib_t:file { read write }; allow system_mail_t var_lib_t:file write; I've been getting the latter set continously since the upgrade. The first set appeared briefly when I did a 'setenforce 0' to diagnose a spamc_t issue with calling the /usr/sbin/sendmail symlink.. They correspond to audit.log messages similar to the following: type=AVC msg=audit(1239664501.977:9052044): avc: denied { write } for pid=18901 comm="sendmail" name="transaction-done.2009-04-12.22:52.45" dev=loop0 ino=901575 scontext=user_u:system_r:system_mail_t:s0-s0:c0.c1023 tcontext=user_u:object_r:var_lib_t:s0 tclass=file type=AVC msg=audit(1239664501.977:9052044): avc: denied { read write } for pid=18901 comm="sendmail" name="__db.000" dev=loop0 ino=901554 scontext=user_u:system_r:system_mail_t:s0-s0:c0.c1023 tcontext=root:object_r:rpm_var_lib_t:s0 tclass=file type=SYSCALL msg=audit(1239664501.977:9052044): arch=40000003 syscall=11 success=yes exit=0 a0=5e2237b8 a1=5e223584 a2=5e2439bc a3=8 items=0 ppid=18880 pid=18901 auid=517 uid=517 gid=517 euid=517 suid=517 fsuid=517 egid=517 sgid=517 fsgid=517 tty=(none) comm="sendmail" exe="/usr/sbin/sendmail.postfix" subj=user_u:system_r:system_mail_t:s0-s0:c0.c1023 key=(null) type=AVC_PATH msg=audit(1239664501.977:9052044): path="/var/lib/rpm/__db.000" type=AVC_PATH msg=audit(1239664501.977:9052044): path=2F7661722F6C69622F79756D2F7472616E73616374696F6E2D646F6E652E323030392D30342D31322E32323A35322E34352028646 56C6574656429 During the upgrade it looks like it was pretty common for most packages' contexts to attempt to access a tcp socket to rpm and do similar things (again, in audit2allow format): allow tzdata_t rpm_t:tcp_socket { read write }; allow tzdata_t rpm_var_lib_t:file { read write }; allow tzdata_t var_lib_t:file write; allow tzdata_t var_t:file read; But I was surprised that these mail messages didn't show up till the following day, and are still showing up continuously now. Does anyone know what these accesses are? And why they might be still continously triggering for the mail system, where as all the other packages have stopped causing them? Also, on a related note, is it normally best practices to 'setenforce 0' during a 5.x upgrade? Is it possible I've damaged something by leaving selinux enabled? Other than the spamassassin issue, the machine seems to be running ok..

3 3

Processes to disable
by David Lemcoe 14 Apr '09

14 Apr '09

I was told by some more-experienced Cent users that there are a bunch of processes I should kill and get out of the startup folder. He said that Cent (even with a small install) has a bunch of processes that really aren't needed and just burn up processes. Which ones should I get rid of for just a webserver? MySQL server? Thanks.

5 8

yum clean all
by Michael A. Peters 14 Apr '09

14 Apr '09

There seems to be a lot of this needed lately. I suspect the issue is 5.2 -> 5.3 transition. Putting something like this in /etc/cron.daily/ when near a major update *might* make the transition times between point releases easier - #!/bin/bash RANGE=120 number=$RANDOM let "number %= $RANGE" delay=`/usr/bin/expr $number \* 60` sleep $delay /usr/bin/yum clean all > /dev/null 2>&1 /usr/bin/yum makecache > /dev/null 2>&1 -=- Point of the random delay is to not have lots of people hit all the servers at once.

1 0

Cannot play rmvb video files after burning to DVD
by hce 13 Apr '09

13 Apr '09

Hi, I am running CentOS 5.2. I tried to burn rmvb video files to DVD+R disk using Nautilus 2.16.2, the files were burned to the disk, but could not play it back with errors "Unkown file format". It was no problem to play the same file located on the disk. Any advice please? Thank you. Kind Regards, JH

3 2

Possible bug?
by Sam Drinkard 13 Apr '09

13 Apr '09

I had some problems with apache, and there were so many, (caused by removing ispconfig) I decided to just remove and re-install. This is what happened when I tried to do so, both from remote and via console. I tried the DVD as well as yum, and got essentially the same thing. My webserver is down, and I'd sure like to get this fixed if anyone can help out. Begin errors: Component: pirut Summary: TBe8ae967a sqlitesack.py:94:_read_db_obj:TypeError: unsubscriptable object Traceback (most recent call last): File "/usr/sbin/pirut", line 373, in _apply output = self.applyChanges(self.mainwin) File "/usr/lib/python2.4/site-packages/pirut/__init__.py", line 813, in applyChanges self.checkDeps(mainwin) File "/usr/lib/python2.4/site-packages/pirut/__init__.py", line 550, in checkDeps (result, msgs) = self.buildTransaction() File "/usr/lib/python2.4/site-packages/yum/__init__.py", line 647, in buildTransaction (rescode, restring) = self.resolveDeps() File "/usr/lib/python2.4/site-packages/yum/depsolve.py", line 696, in resolveDeps CheckDeps, checkinstalls, checkremoves, missing = self._resolveRequires(errors) File "/usr/lib/python2.4/site-packages/yum/depsolve.py", line 779, in _resolveRequires thisneeds = self._checkInstall(txmbr) File "/usr/lib/python2.4/site-packages/yum/depsolve.py", line 851, in _checkInstall provs = self.tsInfo.getProvides(*req) File "/usr/lib/python2.4/site-packages/yum/transactioninfo.py", line 432, in getProvides result.update(self.getNewProvides(name, flag, version)) File "/usr/lib/python2.4/site-packages/yum/transactioninfo.py", line 414, in getNewProvides for pkg, hits in self.pkgSack.getProvides(name, flag, version).iteritems(): File "/usr/lib/python2.4/site-packages/yum/packageSack.py", line 300, in getProvides return self._computeAggregateDictResult("getProvides", name, flags, version) File "/usr/lib/python2.4/site-packages/yum/packageSack.py", line 470, in _computeAggregateDictResult sackResult = apply(method, args) File "/usr/lib/python2.4/site-packages/yum/sqlitesack.py", line 861, in getProvides return self._search("provides", name, flags, version) File "/usr/lib/python2.4/site-packages/yum/sqlitesack.py", line 43, in newFunc return func(*args, **kwargs) File "/usr/lib/python2.4/site-packages/yum/sqlitesack.py", line 837, in _search for pkg in self.searchFiles(name, strict=True): File "/usr/lib/python2.4/site-packages/yum/sqlitesack.py", line 43, in newFunc return func(*args, **kwargs) File "/usr/lib/python2.4/site-packages/yum/sqlitesack.py", line 586, in searchFiles self._sql_pkgKey2po(rep, cur, pkgs) File "/usr/lib/python2.4/site-packages/yum/sqlitesack.py", line 470, in _sql_pkgKey2po pkg = self._packageByKey(repo, ob['pkgKey']) File "/usr/lib/python2.4/site-packages/yum/sqlitesack.py", line 413, in _packageByKey po = self.pc(repo, cur.fetchone()) File "/usr/lib/python2.4/site-packages/yum/sqlitesack.py", line 68, in __init__ self._read_db_obj(db_obj) File "/usr/lib/python2.4/site-packages/yum/sqlitesack.py", line 94, in _read_db_obj setattr(self, item, _share_data(db_obj[item])) TypeError: unsubscriptable object Local variables in innermost frame: item: name db_obj: None Many thanks.. Sam

2 2

x86_64 server OOM problems after update to 5.3
by Rick Barnes 13 Apr '09

13 Apr '09

Hello, Over the weekend, I upgraded one of my servers that runs mysql and pdns to 5.3. Previous to the update I have not had an issue form this server. But since, I have had mysql die multiple times from oom-killer. $ uname -a Linux rack2a 2.6.18-128.1.6.el5 #1 SMP Wed Apr 1 09:10:25 EDT 2009 x86_64 x86_64 x86_64 GNU/Linux Unfortunately, the server has been rebooted by others before I have been able to look at it while the problem is occurring. But I have found this in the logs: http://pastebin.centos.org/25553 Running sar -A: http://pastebin.centos.org/25556 Since the server was rebooted, the amount of swap is used is 0. How do I determine what process is/was chewing up the memory on this server? What should I be looking for to narrow this down? Thanks, Rick

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