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34753 discussions

CentOS fileserver migrating to ZFS appliance
by Alan McKay 26 Nov '11

26 Nov '11

Hey folks, I've got a CentOS / RHEL (5.x) environment and am in the process of migrating the 5.3 file server over to an Oracle/Sun 7120 appliance. I want to keep my main 5.3 server as our NIS server but am moving NFS and Samba functions over to the appliance. NFS was a no brainer as one can imagine. Samba seems a bit trickier because of the authentication requirements in the ZFS server. They seem to want a domain controller which we don't have. Has anyone been here recently and can help with how to config the appliance for Samba but to authenticate from NIS ? 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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CentOS6 yum-plugin-fastestmirror spectacular failure
by Lars Hecking 25 Nov '11

25 Nov '11

I'm trying to update from the cr repo, but yum-plugin-fastestmirror gets it totally wrong; it selects a mirror in .hk that deliveres bytes per second, and as far as I can tell, most or all of the timedhosts.txt entries are in the Middle or Far East. What's going on? Nobody mirroring cr in other parts of the world? mirrors.ta139.com 99999999999 centos.communilink.net 99999999999 mirrors.hns.net.in 99999999999 centos.aol.in 99999999999 virror.hanoilug.org 99999999999 mirror.averse.net 99999999999 mirror.nus.edu.sg 99999999999 ftp.cuhk.edu.hk 99999999999 ftp.iitm.ac.in 99999999999 mirror-fpt-telecom.fpt.net 99999999999 centos.vr-zone.com 99999999999 mirrors.btte.net 99999999999 mirrors.digipower.vn 99999999999 centosmirror.go4hosting.in 99999999999 ftp.oss.eznetsols.org 0.220621109009 centos.01link.hk 99999999999 mirrors.ispros.com.bd 99999999999 mirrors.163.com 99999999999 mirror.vietoss.com 99999999999 mirror.neu.edu.cn 99999999999

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CentOS 6.1 QA status update.
by Lamar Owen 25 Nov '11

25 Nov '11

Posted, in case you haven't seen it already: http://qaweb.dev.centos.org/qa/node/116 Good news.

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How to get RHEL EUS source rpm.
by huyfuo 25 Nov '11

25 Nov '11

I want to get kernel-2.6.32-71.36.1.el6.src.rpm(RHBA-2011:1412-1). I have no RHEL subscriptions. There's no EUS srpms in ftp.redhat.com.

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Re: [CentOS] Forget SMB password immediately
by Eric Coleman 25 Nov '11

25 Nov '11

Dear Guitart, You have Microsoft Windows on your mind . . . Microsoft has left the building! ----- Original Message ----- From: Guitart Francesc Sent: 11/23/11 05:11 AM To: centos(a)centos.org Subject: [CentOS] Forget SMB password immediately Hi, I'm new to CentOS and also on the list, since I usually work with Debian. My problem is as follows: I have a NAS where users connect to do their backups. Each user has a folder shared where only he can enter. Multiple users get connected from a CentOS 5.7 to the NAS, each in its shared folder. I connect to the NAS by entering the login, password and shared folder of user A (here I connect through SMB port 445) and I get disconnected by removing the volume. I re-connect in the same way with the user B and then disconnect. Now if I connect with any user without entering the shared folder (I get a netbios connection to port 139) I can enter to the shared folder of user A and B without entering their credentials. A netstat -an shows me a connection to port 139 and 445 per user. After a while (too I think) connections over ports 445 and 139 are automatically cuted and I have to authenticate again. How I can force always the request of login and password? Thanks in advance. -- Francesc Guitart _______________________________________________ CentOS mailing list CentOS(a)centos.org http://lists.centos.org/mailman/listinfo/centos

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Applications on different deskops at startup
by Tony Molloy 25 Nov '11

25 Nov '11

Hi, I've just converted my laptop to Centos 6 from Fedora ( gnome 3 made the latest fedora unusable ) and I have one problem. I have several desktops with applications running on them, mainly terminals. At login all the terminals start on desktop 1. How do I get them to start on the desktop they were running on at logoff. That's how it worked on Fedora 13/14 so it must be popssible ;-) just can't find the magic. Thanks,, Tony

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Bacula dbcheck in CentOS6
by Tilman Schmidt 24 Nov '11

24 Nov '11

[Is it true that nobody replied to this in four months?] On Mon Jul 18 09:34:08 EDT 2011, Joseph L. Casale wrote: > Anyone else notice that /usr/libexec/bacula/make_catalog_backup.pl runs a "dbcheck -B" > which doesn't seem to exist in the version of dbcheck shipped with it? > > That makes it rather hard to do a catalogue backup with the shipped script? That's an error in the RPM install script. It uses the "alternatives" mechanism for switching between database backends but messes up. /usr/sbin/dbcheck ends up being linked to /usr/sbin/bscan.mysql instead of /usr/sbin/dbcheck.mysql. Consequently, when make_catalog_backup.pl tries to run dbcheck it's actually bscan which gets run. Not understanding the -B option is probably the least of its problems. :-) Until the RPM gets fixed, you can manually correct the bad symlink with: ln -sf /etc/alternatives/bacula-dbcheck /usr/sbin/dbcheck HTH T.

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SSD diagnostics / test suite?
by Alan McKay 24 Nov '11

24 Nov '11

Hey folks, I looked back through the list archives and there are surprisingly few threads with "SSD" in the subject. In my new job I've been handed over a number of things that were outstanding with the previous Sys Admin, and one of them was an SSD that was suspect. I just plugged it into a diagnostics laptop to use the Linux Smart software to check it - and it all seems fine even after running the disk test suite from the GUI. In digging for more info I discovered that the errors were actually coming from the RAID controller - and the SSD has obviously been removed from there for the time being. While I have it in my hands I'd like to do some kind of complete test / diagnostics suite on it. Preferably Linux based since that's what we have here. I found a few windows-based tools with my googling. I did stumble upon this page which looks like it has a few useful tips for using SSDs on Linux http://danweinreb.org/blog/using-solid-state-disks-on-linux Now, what about comprehensive suites? Should I just run some IO suites on it like bonnie++ or something like that, and see what SMART says in the process? I'm suspecting the RAID controller at this point ... but want to be as thorough as possible while I have it in my hands. cheers, -Alan -- “Don't eat anything you've ever seen advertised on TV” - Michael Pollan, author of "In Defense of Food"

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Problem with gdb or maybe gcc
by John J. Boyer 24 Nov '11

24 Nov '11

I have CentOS 5.7. Before the last updates, when I ran gdb with a program name gave a breakpoint and then typed run it would stop on that breakpoint. Now it prints the message "Warning: no loadable sections in added symbol file." It then just runs the program without stopping. What could have changed? Are there some flags that need to be set when invoking gcc? Thanks, John -- John J. Boyer; President, Chief Software Developer Abilitiessoft, Inc. http://www.abilitiessoft.com Madison, Wisconsin USA Developing software for people with disabilities

2 1

Corosync init-script broken on CentOS6
by Hal Martin 23 Nov '11

23 Nov '11

Hello all, I am trying to create a corosync/pacemaker cluster using CentOS 6.0. However, I'm having a great deal of difficulty doing so. Corosync has a valid configuration file and an authkey has been generated. When I run /etc/init.d/corosync I see that only corosync is started. >From experience working with corosync/pacemaker before, I know that this is not enough to have a functioning cluster. For some reason the base install (with or without updates) is not starting corosync dependencies. I've even tried using corosync/pacemaker for the EPEL 6 repo, and still the init-script will not start corosync dependencies. Expected: corosync /usr/lib64/heartbeat/stonithd /usr/lib64/heartbeat/cib /usr/lib64/heartbeat/lrmd /usr/lib64/heartbeat/attrd /usr/lib64/heartbeat/pengine Observed: corosync My install options are: %packages @base @core @ha @nfs-file-server @network-file-system-client @resilient-storage @server-platform @server-policy @storage-client-multipath @system-admin-tools pax oddjob sgpio pacemaker dlm-pcmk screen lsscsi -rgmanager %end The logs from the server aren't terribly helpful either: Nov 23 12:13:45 cheapo4 corosync[2509]: [pcmk ] info: spawn_child: Forked child 2515 for process stonith-ng Nov 23 12:13:45 cheapo4 corosync[2509]: [pcmk ] info: spawn_child: Forked child 2516 for process cib Nov 23 12:13:45 cheapo4 corosync[2509]: [pcmk ] info: spawn_child: Forked child 2517 for process lrmd Nov 23 12:13:45 cheapo4 corosync[2509]: [pcmk ] info: spawn_child: Forked child 2518 for process attrd Nov 23 12:13:45 cheapo4 corosync[2509]: [pcmk ] info: spawn_child: Forked child 2519 for process pengine Nov 23 12:13:45 cheapo4 corosync[2509]: [pcmk ] info: spawn_child: Forked child 2520 for process crmd Nov 23 12:13:45 cheapo4 corosync[2509]: [SERV ] Service engine loaded: Pacemaker Cluster Manager 1.1.2 Nov 23 12:13:45 cheapo4 corosync[2509]: [SERV ] Service engine loaded: corosync extended virtual synchrony service Nov 23 12:13:45 cheapo4 corosync[2509]: [SERV ] Service engine loaded: corosync configuration service Nov 23 12:13:45 cheapo4 corosync[2509]: [SERV ] Service engine loaded: corosync cluster closed process group service v1.01 Nov 23 12:13:45 cheapo4 corosync[2509]: [SERV ] Service engine loaded: corosync cluster config database access v1.01 Nov 23 12:13:45 cheapo4 corosync[2509]: [SERV ] Service engine loaded: corosync profile loading service Nov 23 12:13:45 cheapo4 corosync[2509]: [SERV ] Service engine loaded: corosync cluster quorum service v0.1 Nov 23 12:13:45 cheapo4 corosync[2509]: [MAIN ] Compatibility mode set to whitetank. Using V1 and V2 of the synchronization engine. Nov 23 12:13:46 cheapo4 corosync[2509]: [pcmk ] ERROR: pcmk_wait_dispatch: Child process lrmd exited (pid=2517, rc=100) Nov 23 12:13:46 cheapo4 corosync[2509]: [pcmk ] notice: pcmk_wait_dispatch: Child process lrmd no longer wishes to be respawned Nov 23 12:13:46 cheapo4 corosync[2509]: [pcmk ] info: update_member: Node cheapo4.jrz.cbn now has process list: 00000000000000000000000000111302 (1118978) Nov 23 12:13:46 cheapo4 corosync[2509]: [pcmk ] ERROR: pcmk_wait_dispatch: Child process cib exited (pid=2516, rc=100) Nov 23 12:13:46 cheapo4 corosync[2509]: [pcmk ] notice: pcmk_wait_dispatch: Child process cib no longer wishes to be respawned Nov 23 12:13:46 cheapo4 corosync[2509]: [pcmk ] info: update_member: Node cheapo4.jrz.cbn now has process list: 00000000000000000000000000111202 (1118722) Nov 23 12:13:46 cheapo4 corosync[2509]: [pcmk ] ERROR: pcmk_wait_dispatch: Child process crmd exited (pid=2520, rc=100) Nov 23 12:13:46 cheapo4 corosync[2509]: [pcmk ] notice: pcmk_wait_dispatch: Child process crmd no longer wishes to be respawned Nov 23 12:13:46 cheapo4 corosync[2509]: [pcmk ] info: update_member: Node cheapo4.jrz.cbn now has process list: 00000000000000000000000000111002 (1118210) Nov 23 12:13:46 cheapo4 corosync[2509]: [pcmk ] ERROR: pcmk_wait_dispatch: Child process attrd exited (pid=2518, rc=100) Nov 23 12:13:46 cheapo4 corosync[2509]: [pcmk ] notice: pcmk_wait_dispatch: Child process attrd no longer wishes to be respawned Nov 23 12:13:46 cheapo4 corosync[2509]: [pcmk ] info: update_member: Node cheapo4.jrz.cbn now has process list: 00000000000000000000000000110002 (1114114) Nov 23 12:13:46 cheapo4 corosync[2509]: [pcmk ] ERROR: pcmk_wait_dispatch: Child process pengine exited (pid=2519, rc=100) Nov 23 12:13:46 cheapo4 corosync[2509]: [pcmk ] notice: pcmk_wait_dispatch: Child process pengine no longer wishes to be respawned Nov 23 12:13:46 cheapo4 corosync[2509]: [pcmk ] info: update_member: Node cheapo4.jrz.cbn now has process list: 00000000000000000000000000100002 (1048578) Nov 23 12:13:46 cheapo4 corosync[2509]: [pcmk ] ERROR: pcmk_wait_dispatch: Child process stonith-ng exited (pid=2515, rc=100) Nov 23 12:13:46 cheapo4 corosync[2509]: [pcmk ] notice: pcmk_wait_dispatch: Child process stonith-ng no longer wishes to be respawned Nov 23 12:13:46 cheapo4 corosync[2509]: [pcmk ] info: update_member: Node cheapo4.jrz.cbn now has process list: 00000000000000000000000000000002 (2) Googling suggests this is the result of mis-matched versions of pacemaker/corosync; but this is the base install and the problem persists even when I install it from EPEL6 repos. Is anyone else experiencing difficulties with corosync/pacemaker on CentOS6? Thanks, -Hal

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