Discuss October 2009

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338 participants
324 discussions

XFS might be available for i686 from the CentOS Plus repository.
by Rainer Traut 26 Oct '09

26 Oct '09

Hi, the topic is an excerpt of the 5.4 release notes and raises a question. I have a i386 server here, that has been running for nearly two years with xfs module from extras repo. When lookin at the module it was build against 2.6.18-92.1.13.el5. Question is, is it still safe to use this module with 5.4? Or should I switch back to a CentosPlus kmod and an older kernel? Rainer

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OT: pager pay
by Alan McKay 26 Oct '09

26 Oct '09

Hey folks, I'm trying to compare my small company's policy against other companies out there. We pay 10% of your per-hour salary equivalent per every hour you carry it, whether it goes off or not. So for example someone making $55K/year works out to about $27 / hour (I think), so they'd get $2.70 for every hour they carry the pager outside of regular work hours. We are a company of about 25 people. My old employer Nortel still does it this way : - $27.50 for every 8 hour shift you carry it, outside of regular work hours. - any page is billed at time-and-a-half, minimum 1 hour billed - any page requiring you to go into work, is billed at time-and-a-half with a 3 hour min I have a buddy at IBM and while it varies by group, his group does this : - $30/day for carrying it, whether it goes off or not - every page gets billed at time-and-a-half, minimum 30 minutes Anyone else want to share theirs? thanks, -Alan -- “Don't eat anything you've ever seen advertised on TV” - Michael Pollan, author of "In Defense of Food"

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CentOS DS Transition Issue
by Camron W. Fox 26 Oct '09

26 Oct '09

Alle, We are looking to transition from OpenLDAP to CentOS DS. We currently using OpenLDAP V2.3.43-3 with both RHEL 5.4 and Solaris10 clients (auth/netgroup/automount). We restrict user login access to the RHEL and Solaris machines using netgroups. After configuring the CentOS DS, we noticed that while the RHEL restrictions using the /etc/pam.d/system-auth-ac and /etc/security/access.conf configurations worked correctly, the Solaris clients using +@netgroup in /etc/passwd, passwd_compat in /etc/nsswitch.conf and the appropriate /etc/pam.conf configs do not respect the restrictions. The client configurations have not changed, only the LDAP server. I know this is a long shot, but has anyone else come across this issue? Best Regards, Camron -- Camron W. Fox Hilo Office High Performance Computing Group Fujitsu Management Services of America, Inc. E-mail: cwfox(a)us.fujitsu.com

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Switch to measure traffic at IP level?
by Neil Aggarwal 26 Oct '09

26 Oct '09

Hello all: Is there a network switch that will give me traffic stats at an IP address level? Right now, I only get statstics at a port level, but that does not help since each of my servers run several virtual machines and I need to measure traffic per virtual machine. Thanks, Neil -- Neil Aggarwal, (281)846-8957, www.JAMMConsulting.com Will your e-commerce site go offline if you have a DB server failure, fiber cut, flood, fire, or other disaster? If so, ask about our geographically redundant database system.

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permission script
by Eugeneapolinary Ju 26 Oct '09

26 Oct '09

I just wrote a little script, that will echo a message to the user, if it doesn't have enough permission: $ if ! [ "$(env LC_MESSAGES=C ifconfig wlan0 down | grep -i denied)" == "" ]; then echo "no permission"; fi SIOCSIFFLAGS: Permission denied $ sudo su [sudo] password for USER: # if ! [ "$(env LC_MESSAGES=C ifconfig wlan0 down | grep -i denied)" == "" ]; then echo "no permission"; fi # but it won't works why?

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Which /usr/bin/qemu-img to use?
by Camron W. Fox 25 Oct '09

25 Oct '09

Alle, We're trying to install kvm on a newly update CentOS5.4 box. Which package should /usr/bin/qemu-img come from, kvm-qemu-img or qemu? When we try to install kvm\* we get the following error: Transaction Check Error: file /usr/bin/qemu-img from install of kvm-qemu-img-83-105.el5.x86_64 conflicts with file from package qemu-0.9.0-4.x86_64 file /usr/share/man/man1/qemu-img.1.gz from install of kvm-qemu-img-83-105.el5.x86_64 conflicts with file from package qemu-0.9.0-4.x86_64 Best Regards, Camron -- Camron W. Fox Hilo Office High Performance Computing Group Fujitsu Management Services of America, Inc. E-mail: cwfox(a)us.fujitsu.com

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Testing remote machine status in a script ?
by Niki Kovacs 25 Oct '09

25 Oct '09

Hi, I'd like to test the status of a remote machine in a script. Something like: IF remote machine is switched on / connected to the network... ... THEN launch backup. How would you go about that? Cheers, Niki

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Packages in 5.4 older than 5.3 updates, and no 5.4 updates available?
by Stephen Harris 25 Oct '09

25 Oct '09

I've been checking the updates tree for 5.4 and notice that they're empty. I checked 4 or 5 different servers and got the same results. This is, in my experience, unusual; there's typically patches for the new release from day one. But it could be that the 5.4 DVD is up to date. So I checked one of my machines and what updates it would need against 5.3 vs those that it would need to update to 5.4 (I've not been keeping my patches up to date on this machine; I know... stupid me). My machine is 33 patches short when configuring yum to a 5.3 tree (base and updates; it'd take 202 patches to take it up to 5.4). Of those 33 patches, 19 are the same from the 5.4 DVD. Of the remaining 14 discrepencies 10 had newer versions on the 5.4 disk. So far, so good. But 4 packages concern me where it looks like the 5.4 DVD has older versions than the 5.3 updates: 5.3 update:dnsmasq.i386 2.45-1.1.el5_3 5.4 DVD:dnsmasq.i386 2.45-1.el5_2.1 5.3 update:fetchmail.i386 6.3.6-1.1.el5_3.1 5.4 DVD:fetchmail.i386 6.3.6-1.1.el5 5.3 update:gnutls.i386 1.4.1-3.el5_3.5 5.4 DVD:gnutls.i386 1.4.1-3.el5_2.1 5.3 update:nspr.i386 4.7.5-1.el5_4 5.4 DVD:nspr.i386 4.7.4-1.el5_3.1 (These are the 4 my machine flagged; there could be other packages of similar concern that haven't hit me yet) Is this merely a case that the 5.4 updates tree hasn't yet been pushed out and these changes should show up in the near future (when?), have I found a problem, or am I just plain and simple wrong? :-) -- rgds Stephen

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Running SSH on a different port (with SELinux)
by Jorge Fábregas 25 Oct '09

25 Oct '09

Hello everyone, Now after the recent discussion on running SSH on a different port, I decided to start a new thread but with SELinux involved. Assuming that you have SELinux enabled, and that you changed the default port for SSHD, let say for 1234, when I restart SSHD I don't get any AVC denials. This is the output of: semanage -l port | grep ssh ssh_port_t tcp 22 I thought (based on previous SELinux readings) that in order to allow SSHD on a non-default port you needed to: semanage port -a -t ssh_port_t -p tcp 1234 That was the theory I read :) Now in practice it seems it is not implemented yet, or at least by the time RHEL5 came out. Does anyone knows? All the best, Jorge

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linux/magic.h
by hce 25 Oct '09

25 Oct '09

Hi, I had following errors while I was compiling VLC 1.0.2 on CentOS 5.2: modules/access/file.c:52:28: error: linux/magic.h: No such file or directory ../../../modules/access/file.c: In function ‘IsRemote’: ../../../modules/access/file.c:141: error: ‘AFS_SUPER_MAGIC’ undeclared (first use in this function) ../../../modules/access/file.c:141: error: (Each undeclared identifier is reported only once ../../../modules/access/file.c:141: error: for each function it appears in.) ../../../modules/access/file.c:142: error: ‘CODA_SUPER_MAGIC’ undeclared (first use in this function) ../../../modules/access/file.c:143: error: ‘NCP_SUPER_MAGIC’ undeclared (first use in this function) ../../../modules/access/file.c:144: error: ‘NFS_SUPER_MAGIC’ undeclared (first use in this function) ../../../modules/access/file.c:145: error: ‘SMB_SUPER_MAGIC’ undeclared (first use in this function) make[5]: *** [libaccess_file_plugin_la-file.lo] Error 1 What package is the magic.h belong to? Is the version too old, need be updated? There is only a magic.h in /usr/include directory, but not in /usr/include/linux directory. There is no AFS_SUPER_MAGIC, ..... What I am missing here? Thank you.

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Discuss October 2009