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HOWTO - Install HP PSP On CentOS 5
by Brandon Wood 24 Jun '10

24 Jun '10

As I was working today I kept notes on my adventures in installing the HP Proliant Support Pack software on my server running CentOS 5.5. It's a rough guide but I have posted it up in the HP Support forums in the hopes that it will help others who take on this task. http://forums11.itrc.hp.com/service/forums/questionanswer.do?threadId=14364… I have also submitted a request to add a wiki page on the CentOS wiki so I can post the guide and work on cleaning it up. I am unsure if it'd be a good idea to post it to the mailing list due to it's length. If you have feedback or questions please let me know, -Woody

4 6

Upgrading from 4.4 to 4.7
by John Kennedy 24 Jun '10

24 Jun '10

Hello all, For (system) certification purposes, we have to upgrade our 4.4 machines to 4.7. In the past I usually have just reinstalled machines to save the (perceived) headaches of upgrading. That is not an option in this case. Are there any pitfalls to watch out for when upgrading? Is it even possible to go up 3 revisions? Thanks, John -- Did you know that it costs forty thousand dollars a year to house each prisoner?...I don't think we should give free room and board to criminals. I think they should have to run twelve hours a day on a treadmill and generate electricity. And if they don't want to run, they can rest in the chair that's hooked up to the generator. -George Carlin

5 7

NFS performance - default rsize
by Alexandre Lecuyer 24 Jun '10

24 Jun '10

Hi list, We've had an interesting NFS performance issue with the following setup. Clients : CentOS 5.5, kernel 2.6.18-194.el5 Server : Solaris 10 kernel Generic_142901-08 Reading a file (not cached) with dd : dd if=file1 of=/dev/null bs=1024k count=100 performance is around.. 700 kB/s ! /proc/mounts shows rsize has been negotiated to 1mB If we force rsize to a smaller value, 32kB, the problem goes away and we're back around 70/80 mB/s read performance. Wiresharks show something interesting in the first (slow) case: It seems that the NFS client is "waiting" between requests: 1473 11.756852 client.net nfs1.net TCP 868 > nfs [ACK] Seq=9345 1474 11.757888 nfs1.net client.net RPC Continuation 1475 11.797837 client.net nfs1.net TCP 868 > nfs [ACK] Seq=9345 1476 11.798877 nfs1.net client.net RPC Continuation [....] Notice how the server replies within about 0,001s, but the client appears to be waiting 0,04s before asking for the next bit. (we captured the traffic from the client). This pattern repeats for the whole exchange It's likely we missed something, can't figure it out.. has anyone seen this before ? Cheers, Alex

7 12

How to specify the default route?
by Rick Thomas 24 Jun '10

24 Jun '10

I have a machine with two net interfaces. it seems to always pick the wrong one (eth1) as the default route. I can change it with route del default route add default eth0 after it's up (or in rc.local, of course), but I'd like to figure out what I need to do this "the CentOS way" (e.g. edit some configuration file? Run some config utility, what?) once and for all. Can somebody point me to the canonical documentation on the subject? I've searched /usr/share/doc and the man pages, but I can't find anything useful. Googling for "default route centos" gives some interesting stuff, but nothing definitive. Thanks! Rick

7 9

iotop
by Matt 24 Jun '10

24 Jun '10

Is there something like iotop in rpm form available for Centos 4.x? Matt

3 2

tar cvhf with link restore??
by mcclnx mcc 23 Jun '10

23 Jun '10

I am doing "tar" test due to some software require "tar cvhf". When I using "tar cvhf and tar xvhf ", files have symbolic link replace by physical files. wield things is my friend using same command 'tar cvhf and tar xvhf". after restore link still there. does there has way when I using "tar cvhf" and "tar xvhf" I can get link back not physical files? O.S. is CENTOS 5.4 and 5.5. Thanks.

2 2

please help: How to copy all files under the folder
by ann kok 23 Jun '10

23 Jun '10

Hi all There are some soft/hard link. symoblic link files/folder under the top folder How to copy all files under this top folder? Thank you

3 2

perl(packed-refs) missing dependency
by James B. Byrne 23 Jun '10

23 Jun '10

I am trying to install git-1.7.1 from the rpmforge repository on my CentOS-5.5 CI box. I am getting the following error: Resolving Dependencies --> Running transaction check ---> Package git.x86_64 0:1.7.1-1.el5.rf set to be updated --> Processing Dependency: perl-Git = 1.7.1-1.el5.rf for package: git --> Processing Dependency: perl(SVN::Core) for package: git --> Processing Dependency: perl(packed-refs) for package: git --> Processing Dependency: perl(Error) for package: git --> Processing Dependency: perl(Git) for package: git --> Running transaction check ---> Package git.x86_64 0:1.7.1-1.el5.rf set to be updated --> Processing Dependency: perl(packed-refs) for package: git ---> Package perl-Error.noarch 0:0.17016-1.el5.rf set to be updated ---> Package perl-Git.x86_64 0:1.7.1-1.el5.rf set to be updated ---> Package subversion-perl.x86_64 0:1.4.2-4.el5_3.1 set to be updated --> Finished Dependency Resolution git-1.7.1-1.el5.rf.x86_64 from rpmforge has depsolving problems --> Missing Dependency: perl(packed-refs) is needed by package git-1.7.1-1.el5.rf.x86_64 (rpmforge) Error: Missing Dependency: perl(packed-refs) is needed by package git-1.7.1-1.el5.rf.x86_64 (rpmforge) You could try using --skip-broken to work around the problem You could try running: package-cleanup --problems package-cleanup --dupes rpm -Va --nofiles --nodigest The program package-cleanup is found in the yum-utils package. I do not do Perl and I have no ide how to translate perl(packed-refs) into a package anme. Nor does 'yum provides */*packed-refs*' supply an answer. What other package do I need installed to get git-1.7.1 to install? -- *** E-Mail is NOT a SECURE channel *** James B. Byrne mailto:ByrneJB@Harte-Lyne.ca Harte & Lyne Limited http://www.harte-lyne.ca 9 Brockley Drive vox: +1 905 561 1241 Hamilton, Ontario fax: +1 905 561 0757 Canada L8E 3C3

3 2

umask not functioning with cp command
by James Corteciano 23 Jun '10

23 Jun '10

Hi all, $ umask 0002 $ mkdir test $ ls -ld test drwxrwxr-x 2 user user 4096 Jun 23 19:04 test/ $ls -ld content drwxr-xr-x 2 user user 4096 Jun 23 19:29 content $ cp -r content test/ $ls -ld test/content drwxr-xr-x 2 user user 4096 Jun 23 19:29 content My question is, how can I make content directory permission mode to 775 if I do cp inside the test directory? Thanks. Regards, James

3 3

2 DVDs for CentOS 5.5
by David McGuffey 23 Jun '10

23 Jun '10

Just finished downloading the DVD with bittorrent. Ended up with two iso files (1 of 2 and 2 of 2). sha1sum checks out on both. This is the first time I've encountered two DVDs. Will the install politely ask for DVD #2 when it is time?

3 2

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