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/etc/security/limits.conf : rss
by Christophe Caron 06 Jun '11

06 Jun '11

Hello, I run CentOS 5.6 on a Dell PowerEdge R815 with 256 GB of RAM. We use Sun Grid Engine to schedule jobs on this node. I want to limit the memory usage about 150 GB per process. So i use the /etc/security/limits.conf configuration file. I test this configuration with some tools with a lower GB limit (about 2 or 4 GB), and it works ! But, at least one process (oases - a bioinformatics tool) bypass this limitation and use always 240 GB of memory (the last run) !! /etc/security/limits.conf ... # * hard rss 150000000 * soft rss 150000000 # * hard as 150000000 * soft as 150000000 # ... # uname -r 2.6.18-238.9.1.el5.centos.plus Any idea ? Thanks -- Christophe Caron Station Biologique - Service Informatique et Génomique christophe.caron(a)sb-roscoff.fr Place Georges Teissier - 29680 Roscoff tél: +33 (0)2 98 29 25 43 / tél: +33 (0)6 07 83 54 77 fax: +33 (0)2 98 29 23 24 Analysis and Bioinformatics for Marine Sciences Platform http://abims.sb-roscoff.fr/

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php 5.3 packages
by Jakub Jedelsky 06 Jun '11

06 Jun '11

Hi all, I want to install php 5.3 (php53-* packages) on customer's server with Centos 5.6 but I see that there is only a few packages. Is there any repo with compatibile packages (for php 5.1 I we can usually use rpforge)? Thnaks, JJ

3 2

Bastille-linux
by Bob Hepple 06 Jun '11

06 Jun '11

Has anyone got Bastille-linux running on Centos-5.6? http://bastille-linux.sourceforge.net claims RHEL5 support but I ran into problems running it on a Centos 5.6 test system. First I had to "ln -s /usr/lib64/Bastille /usr/lib" just to get it to run at all. Then I tried faking /etc/redhat-release with Red Hat Enterprise Linux Server release 5.6 ... but I get this (why would it want "HPSpecific.pm" !!!???: [root@slice244:sting ~]# bastille --assessnobrowser ERROR: Couldn't determine Red Hat version! Setting to 9! ERROR: Couldn't determine Red Hat version! Setting to 9! NOTE: Using audit user interface module. Can't locate Bastille/API/HPSpecific.pm in @INC (@INC contains: /usr/lib /usr/lib/perl5/site_perl//5.8.8 /usr/lib/perl5/site_perl/ /usr/lib/Bastille /opt/sec_mgmt/bastille/lib /opt/sec_mgmt/bastille/lib/API /usr/lib/perl5/site_perl/5.8.8 /usr/lib/perl5/site_perl /usr/lib/perl5/site_perl/5.6.0/i386-linux /usr/lib64/perl5/site_perl/5.8.8/x86_64-linux-thread-multi /usr/lib64/perl5/vendor_perl/5.8.8/x86_64-linux-thread-multi /usr/lib/perl5/vendor_perl/5.8.8 /usr/lib/perl5/vendor_perl /usr/lib64/perl5/5.8.8/x86_64-linux-thread-multi /usr/lib/perl5/5.8.8) at /usr/lib/Bastille/IOLoader.pm line 8. BEGIN failed--compilation aborted at /usr/lib/Bastille/IOLoader.pm line 8. Compilation failed in require at /usr/sbin/InteractiveBastille line 414. Trying to force with "--os RHEL5" just gives the usage message!!! <winge> doncha just hate that? wouldn't hurt the developer to tell you what's actually wrong rather than just the blummin usage message!!! </winge> Usage: bastille [ -b | -c | -x ] [ --os <version>] [ -f <alternate config> ] bastille [-r | -l | -h | --assess | --assessnobrowser ] -b : use a saved config file to apply changes directly to system -c : use the Curses (non-X11) GUI, not available on HP-UX -h : this help -f : populate answers with alternate configuration file -r : revert Bastille changes to original file versions (pre-Bastille) -l : list the standard config file(s) (if any) that matches the last run config --os version : ask all questions for the given operating system version. e.g. --os HP-UX11.11 -x : use the Perl/Tk (X11) GUI --assess / -a : run Bastille in assessment mode, generating a report and displaying it in a browser --assessnobrowser : run Bastille in assessment mode, generating a report with no browser TIA -- Bob Hepple <bhepple(a)promptu.com> ph: 07-5584-5908 Fx: 07-5575-9550

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Eliminating duplicate photos
by Timothy Murphy 05 Jun '11

05 Jun '11

I've seen fslint and fdupes recommended for this in CentOS, but neither seem to be available as packages. Is anyone using either under CentOS-5.6? It seems that they are available in the rpmfusion-free repository, but as far as I can see this is not functioning with CentOS at present. -- Timothy Murphy e-mail: gayleard /at/ eircom.net tel: +353-86-2336090, +353-1-2842366 s-mail: School of Mathematics, Trinity College, Dublin 2, Ireland

3 3

Trying to understand USB HD configuration
by Todd Cary 04 Jun '11

04 Jun '11

I am trying to understand how my USB drive is setup in Centos 5.5 -- especially since I made a mistake of backing up to it when it was not turned on. The USB drive is accessed as /media/disk. However, when I did a backup WITHOUT the drive turned on, the data was put into the directory, /media/disk. Now, when I turn on the USB drive (it is self-mounted in 5.5), the USB drive has been assigned "disk-1" -- understood. What I am missing is the "table" that contains the information pointing to USB drive, disk-1. I would like to reset the table so that "disk" is the USB drive and delete the data that is now on my main drive. Hopefully I have explained the situation properly. Todd -- Ariste Software Petaluma, CA 94952 http://www.aristesoftware.com

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Unable to mount Centos 5.6 Server via nfs4 - Operation Not Permitted - MADNESS!
by RILINDO FOSTER 04 Jun '11

04 Jun '11

After getting a reasonably configured NFS4 setup working on my Scientific Linux server, I spent a majority of my evening trying to do the same with my Centos 5 box, with fruitless results. Most attempts to mount that server returns the following message: [root@sl01 log]# mount -t nfs4 192.168.15.200:/opt/company_data /mnt mount.nfs4: Operation not permitted As nearest as I can tell, I was able to setup the ports correctly in /etc/sysconfig/nfs [root@centos sysconfig]# grep -v \# nfs RQUOTAD_PORT=875 LOCKD_TCPPORT=32803 LOCKD_UDPPORT=32769 MOUNTD_PORT=892 STATD_PORT=662 As well as my /etc/services file: # Local services rquotad 875/tcp lockd 32803/tcp lockd 32769/tcp mountd 892/tcp statd 662/tcp rquotad 875/udp lockd 32803/udp lockd 32769/udp mountd 892/udp statd 662/udp [root@centos sy rpcinfo -p seems fine (although I understand that is not relevent with nfs4) [root@centos sysconfig]# rpcinfo -p program vers proto port 100000 2 tcp 111 portmapper 100000 2 udp 111 portmapper 100024 1 udp 662 status 100024 1 tcp 662 status 100011 1 udp 875 rquotad 100011 2 udp 875 rquotad 100011 1 tcp 875 rquotad 100011 2 tcp 875 rquotad 100003 2 udp 2049 nfs 100003 3 udp 2049 nfs 100003 4 udp 2049 nfs 100021 1 udp 32769 nlockmgr 100021 3 udp 32769 nlockmgr 100021 4 udp 32769 nlockmgr 100021 1 tcp 32803 nlockmgr 100021 3 tcp 32803 nlockmgr 100021 4 tcp 32803 nlockmgr 100003 2 tcp 2049 nfs 100003 3 tcp 2049 nfs 100003 4 tcp 2049 nfs 100005 1 udp 892 mountd 100005 1 tcp 892 mountd 100005 2 udp 892 mountd 100005 2 tcp 892 mountd 100005 3 udp 892 mountd 100005 3 tcp 892 mountd And services are running: [root@centos sysconfig]# service nfs status rpc.mountd (pid 6321) is running... nfsd (pid 6318 6317 6316 6315 6314 6313 6312 6311) is running... rpc.rquotad (pid 6306) is running... [root@centos sysconfig]# service nfslock status rpc.statd (pid 6248) is running... [root@centos sysconfig]# service portmap status portmap (pid 6210) is running... And firewall is open both ways: [root@centos sysconfig]# iptables -n -L | grep -E '(2049|111|32759|32803|662|875|892)' ACCEPT udp -- 0.0.0.0/0 0.0.0.0/0 udp dpt:111 ACCEPT udp -- 0.0.0.0/0 0.0.0.0/0 udp dpt:2049 ACCEPT tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:2049 ACCEPT udp -- 0.0.0.0/0 0.0.0.0/0 udp dpt:875 ACCEPT udp -- 0.0.0.0/0 0.0.0.0/0 udp dpt:875 ACCEPT tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:875 ACCEPT tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:892 ACCEPT tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:662 ACCEPT tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:32803 ACCEPT udp -- 0.0.0.0/0 0.0.0.0/0 udp dpt:32803 ACCEPT udp -- 0.0.0.0/0 0.0.0.0/0 udp dpt:662 ACCEPT udp -- 0.0.0.0/0 0.0.0.0/0 udp dpt:892 ACCEPT tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:111 ACCEPT udp -- 0.0.0.0/0 0.0.0.0/0 udp dpt:111 ACCEPT tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:111 ACCEPT tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:2049 ACCEPT udp -- 0.0.0.0/0 0.0.0.0/0 udp dpt:2049 ACCEPT tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:32803 ACCEPT udp -- 0.0.0.0/0 0.0.0.0/0 udp dpt:32803 ACCEPT udp -- 0.0.0.0/0 0.0.0.0/0 udp dpt:662 ACCEPT tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:662 ACCEPT tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:892 ACCEPT tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:875 ACCEPT udp -- 0.0.0.0/0 0.0.0.0/0 udp dpt:875 I am about to mount via NFS3, so that part I know works. Is there a known problem with NFS4 on Centos (or Red Hat) 5? Or am I missing something someplace? - Rilindo

4 14

fdupes
by Scott Robbins 04 Jun '11

04 Jun '11

Sorry, accidentally deleted the previous message so have to write this as new, rather than reply. At any rate, my CentOS 5.6 installation shows fdupes as available through rpmforge. -- Scott Robbins PGP keyID EB3467D6 ( 1B48 077D 66F6 9DB0 FDC2 A409 FA54 EB34 67D6 ) gpg --keyserver pgp.mit.edu --recv-keys EB3467D6 Angel: Acathla turned to stone, as demons sometimes do, and was buried where neither man nor demon would want to look...unless, of course, they're putting up low-rent housing.

1 0

Re: [CentOS] ClearOS rebuild
by Ian Murray 04 Jun '11

04 Jun '11

> > This week's FLOSS Weekly interview is about ClearOS (audio/video at > http://twit.tv/floss168) Apparently they have taken the CentOS > developer's frequently given advice to go away and do it yourself and > will have a 'ClearOS core' release that is their own rebuild from Red > Hat sources that will be the base for the ClearOS enterprise > distribution instead of relying on CentOS as they have before. Thanks for the link. It makes interesting listening because there are claims that they tried to engage with the CentOS devs to offer support and resourcing, but that relationship was not forthcoming... so they intend to build (as I see it) a direct competitor distribution (i.e. "binary compatible"). Also interestingly, apparently they have recruited help from the SME/Contribs people, so I don't know if that means SME will die because it had precious little resources to start with (and now those resources work for the competition) or SME will still carry on and be rebased on Clear Core. Also stated in the audio is that this was all a direct response to the uncertainties around CentOS. So, it is interesting to see how this is all going to pan out.

10 19

Re: [CentOS] ClearOS rebuild
by m.roth＠5-cent.us 04 Jun '11

04 Jun '11

Marko Vojinovic wrote: > On Friday 03 June 2011 16:21:35 Les Mikesell wrote: >> On 6/3/2011 8:57 AM, Lamar Owen wrote: <snip> > So what? Red Hat created a community by beeing free in both senses, and then decided to go commercial at some point. And that hurt the feelings of some minor number of hard-nosed community members. Is that what you are talking about? > > I was around at the time of Red Hat going commercial. I heard about that, <snip> I'm having some problems with the way the conversation is going. RedHat *was* a company; to me, the RHEL was aimed as a wedge, to get into corporate America. For that matter, who started offering their distro of RHEL around then? Why, the same company that offered this new o/s on their brand new product, the IBM PC in 1980: IBM. RedHat, at least, has not taken the path to the Dark Side, as the Other Company did.... mark

3 2

How to set selinux policy "allow httpd_t unconfined_t:shm { unix_read unix_write }; " using an seboolean? (How to get a new seboolean?)
by Aleksey Tsalolikhin 03 Jun '11

03 Jun '11

Hi. I'm trying to get OTRS running on CentOS 5.5 with SELinux enabled, and audit.log / audit2allow tell me I need to add the local policy: #============= httpd_t ============== allow httpd_t unconfined_t:shm { unix_read unix_write }; which I think will allow the httpd access to read and write from shared memory? Is that right? What are the risks involved in opening this? I notice it is denied by the default policy. To simplify configuration management, I would prefer to make this setting using /usr/sbin/setseebool, but I don't see an sebool that deals with shm... How do I request one? (And whom do I ask?) Thanks, -at

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