Discuss May 2014

discuss@lists.centos.org

165 participants
148 discussions

Top posting threads.
by Lamar Owen 20 May '14

20 May '14

There are only two things more annoying on a mailing list than top posting: bottom posting with no trimming of quoted content and all the endless discussions about top posting.

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ISA connected CF card not found by CentOS 6
by Denniston, Todd A CIV NAVSURFWARCENDIV Crane 20 May '14

20 May '14

I am attempting to install CentOS 6 on a PC104 stack and am experiencing issues with anaconda not being able to find the Compact Flash (CF) card hosted in an IDE-CF board connected via the ISA bus. Did someone finally remove the ISA capability from the kernel? On the same hardware I have been able to install CentOS 5. With the CentOS 6 install DVD, the system boots up and proceeds until it tries to find devices with 'existing CentOS installs', then after a about a minute pops a message indicating it can't find any media to install on, and gives you a choice of trying again or exiting the install. I would try on Alt-F2, to modprobe a driver if only I knew which one to use... the driver set for PATA has changed a lot between 5 & 6. I also tried booting with the CentOS 6.5 Live CD, to try probing the system a bit farther, but the Live CD seems to fail while either loading the kernel&initrd to memory or when attempting to boot the kernel. when it makes changes operations, the screen res changes and goes black but I see no further CD drive activity and keyboard presses are ignored (even CapsLock & NumLock don't change their LEDs). Anyone with clues or solutions on either issue? Even when this disclaimer is not here: I am not a contracting officer. I do not have authority to make or modify the terms of any contract.

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CentOS-announce Digest, Vol 111, Issue 9
by centos-announce-request＠centos.org 20 May '14

20 May '14

Send CentOS-announce mailing list submissions to centos-announce(a)centos.org To subscribe or unsubscribe via the World Wide Web, visit http://lists.centos.org/mailman/listinfo/centos-announce or, via email, send a message with subject or body 'help' to centos-announce-request(a)centos.org You can reach the person managing the list at centos-announce-owner(a)centos.org When replying, please edit your Subject line so it is more specific than "Re: Contents of CentOS-announce digest..." Today's Topics: 1. CEBA-2014:0514 CentOS 6 xorg-x11-drv-qxl Update (Johnny Hughes) 2. CESA-2014:0513 Moderate CentOS 6 libxml2 Update (Johnny Hughes) ---------------------------------------------------------------------- Message: 1 Date: Mon, 19 May 2014 13:07:46 +0000 From: Johnny Hughes <johnny(a)centos.org> Subject: [CentOS-announce] CEBA-2014:0514 CentOS 6 xorg-x11-drv-qxl Update To: centos-announce(a)centos.org Message-ID: <20140519130746.GA3067(a)n04.lon1.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Bugfix Advisory 2014:0514 Upstream details at : https://rhn.redhat.com/errata/RHBA-2014-0514.html The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) i386: db65a454fee752754be4178a487b9c362fb06a54dcf7a9a719060b8c905666f8 xorg-x11-drv-qxl-0.1.0-8.el6_5.i686.rpm x86_64: 560dd516e885b59989d962a2f757f511e4c1c9960ffc593f5df4650f459e1ae3 xorg-x11-drv-qxl-0.1.0-8.el6_5.x86_64.rpm Source: 674182def80f9c622f5dc9acadd2fcdc79cbd0d23ce2eafeabcd83598de17e17 xorg-x11-drv-qxl-0.1.0-8.el6_5.src.rpm -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #centos(a)irc.freenode.net ------------------------------ Message: 2 Date: Mon, 19 May 2014 13:08:11 +0000 From: Johnny Hughes <johnny(a)centos.org> Subject: [CentOS-announce] CESA-2014:0513 Moderate CentOS 6 libxml2 Update To: centos-announce(a)centos.org Message-ID: <20140519130811.GA3177(a)n04.lon1.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Security Advisory 2014:0513 Moderate Upstream details at : https://rhn.redhat.com/errata/RHSA-2014-0513.html The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) i386: de39a325895e01e1ea8751cb89b5803cbae4aed7ebaedbe8f347ba522a0afb97 libxml2-2.7.6-14.el6_5.1.i686.rpm f0a0b7465cd218703e59c0833269021bbf836dd56e47f5aff7f9b9628fcd7001 libxml2-devel-2.7.6-14.el6_5.1.i686.rpm a9e091be2f8902e5cc21581bde1f6ec9ab2be79502d005ddd0ced05dff3b8247 libxml2-python-2.7.6-14.el6_5.1.i686.rpm 0e2a12b013e69306c647bdfc417aeb9eb72dee3e533ed9997dcf5d375c665f72 libxml2-static-2.7.6-14.el6_5.1.i686.rpm x86_64: de39a325895e01e1ea8751cb89b5803cbae4aed7ebaedbe8f347ba522a0afb97 libxml2-2.7.6-14.el6_5.1.i686.rpm 7ed18d5355aea49fc9037f07e8eba72d306839e9998342c1011bcc7f83b0a80b libxml2-2.7.6-14.el6_5.1.x86_64.rpm f0a0b7465cd218703e59c0833269021bbf836dd56e47f5aff7f9b9628fcd7001 libxml2-devel-2.7.6-14.el6_5.1.i686.rpm 3edaef19d6b3fd442cb82c4fa0567bc05e015448c8b3548947542d178358ed2d libxml2-devel-2.7.6-14.el6_5.1.x86_64.rpm b5a2edea25fa2eb6d54202bcc270e3e87b22c7e792a1a971960977498b478cc3 libxml2-python-2.7.6-14.el6_5.1.x86_64.rpm 563653f226ed3d21ac3d7f419479c4a54bf3602f6ae25b7c9b243afc00f616de libxml2-static-2.7.6-14.el6_5.1.x86_64.rpm Source: 8955cba76fc4290dbadb61df4df8ece405e4a22a5fef33b35197ea0e6ff63362 libxml2-2.7.6-14.el6_5.1.src.rpm -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #centos(a)irc.freenode.net ------------------------------ _______________________________________________ CentOS-announce mailing list CentOS-announce(a)centos.org http://lists.centos.org/mailman/listinfo/centos-announce End of CentOS-announce Digest, Vol 111, Issue 9 ***********************************************

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build system for cutting edge software
by Gergely Buday 20 May '14

20 May '14

Hi, I use centos as it is stable and provides all the software that is needed for everyday use. However, sometimes I would like to use fresh software that is not available as a package. Compiling from source is indeed an option but because centos uses oldish sources not only the sought package should be built but a lot of other packages. An idea is to build it in a directory, as much independent as it is possible from the installed libraries on the centos installation. Is there an automated build system for such an endeavour? - Gergely

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Centos backup tools
by Fred Smith 20 May '14

20 May '14

Hi all! I'm building a raid box to use for backups, connectivity will be either USB3 or esata. Looking for suggestions on backup software I can use. I know there's rsync, which may be a good solution. I also find backupPC at epel, backintime also at epel, kbackup. DejaDup looks interesting, but none of the repos I'm set up to use shows it being available. some small details: I plan to use this to keep backups of my centos desktop, which has two 320GB drives in linux RAID-1. The backup box will have two 1TB drives, also in RAID-1. It will be a two drive enclosure with PS and cooling, with USB3 or esata, but not networking. I was thinking that it would be nice to have a full backup followed by a set of incrementals, and software that allows access to the state of the system for any specific date (similar to a source control system), but it may be that nothing free and/or uncomplicated will offer such a feature. But, as I always say, "suggestions welcomed!" -- ---- Fred Smith -- fredex(a)fcshome.stoneham.ma.us ----------------------------- "Not everyone who says to me, 'Lord, Lord,' will enter the kingdom of heaven, but only he who does the will of my Father who is in heaven." ------------------------------ Matthew 7:21 (niv) -----------------------------

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wpa_supplicant - an utter failure, for some reason
by Boris Epstein 20 May '14

20 May '14

Hello listmates, I feel a little embarrassed but I can not get through this one and any help will be much appreciated. I have a Broadcom WiFi adapter in a 64-bit CentOS 6.5 laptop. Trying to get it connect automatically - and it just would not - no error messages, nothing. With the same config NetworkManager connects without a hitch, I have to compile the wl module out of an SRPM - but after that it seemed to work fine under the NetworkManager but not automatically, via wpa_supplicant. Thanks in advance for any and all advice. The WiFi security is WPA. Cheers, Boris.

1 0

SCSI not settling???
by Gé Weijers 20 May '14

20 May '14

I'm getting a lot of this at boottime: udev still not settled. Waiting. udevadm settle - timeout of 0 seconds reached, the event queue contains: /sys/module/scsi_wait_scan (11707) udev still not settled. Waiting. udevadm settle - timeout of 0 seconds reached, the event queue contains: /sys/module/scsi_wait_scan (11709) udev still not settled. Waiting. udevadm settle - timeout of 0 seconds reached, the event queue contains: /sys/module/scsi_wait_scan (11711) udev still not settled. Waiting. udevadm settle - timeout of 0 seconds reached, the event queue contains: /sys/module/scsi_wait_scan It takes a few minutes to boot. The machine is a Dell PRECISION T5600 with a PERC H310 RAID controller. -- Gé

2 5

Centos 6.4 How to increase console font size.
by Richard Reina 19 May '14

19 May '14

Just installed 6.4 on and old Dell laptop and the font only takes up half the screen. I have tried setfont and altering grub.conf vga= but it does not work. I have read that I must disable uEFI but have not idea how to do that. Can anyone help? I only use this machine in console mode and I just want the full screen font size that I used to have in 5.x versions. Thanks, Richard

2 1

Sorry
by Wes James 19 May '14

19 May '14

Sorry for the messed up replies. The web based icloud interface forces the writer to reply at the top of the email and if you try to write at the bottom by deleting a few lines of the message or selecting the whole message, deleting it, adding some spaces and then pasting back and go to the end it and adding a reply, it kills the indentation. -wes

22 30

Large file system idea
by Steve Thompson 19 May '14

19 May '14

This idea is intruiging... Suppose one has a set of file servers called A, B, C, D, and so forth, all running CentOS 6.5 64-bit, all being interconnected with 10GbE. These file servers can be divided into identical pairs, so A is the same configuration (diks, processors, etc) as B, C the same as D, and so forth (because this is what I have; there are ten servers in all). Each file server has four Xeon 3GHz processors and 16GB memory. File server A acts as an iscsi target for logical volumes A1, A2,...An, and file server B acts as an iscsi target for logical volumes B1, B2,...Bn, where each LVM volume is 10 TB in size (a RAID-5 set of six 2TB NL-SAS disks). There are no file systems directly built on any of the LVM volumes. Each member of a server pair (A,B) are in different cabinets (albeit in the same machine room) and are on different power circuits, and have UPS protection. A server system called S (which has six processors and 48 GB memory, and is not one of the file servers), acts as iscsi initiator for all targets. On S, A1 and B1 are combined into the software RAID-1 volume /dev/md101. Similarly, A2 and B2 are combined into /dev/md102, and so forth for as many target pairs as one has. The initial sync of /dev/md101 takes about 6 hours, with the sync speed being around 400 MB/sec for a 10TB volume. I realize that only half of the 10-gig bandwidth is available while writing, since the data is being written twice. All of the /dev/md10X volumes are LVM PV's and are members of the same volume group, and there is one logical volume that occupies the entire volume group. An XFS file system (-i size=512, inode64) is built on top of this logical volume, and S NFS-exports that to the world (an HPC cluster of about 200 systems). In my case, the size of the resulting file system will ultimately be around 80 TB. The I/O performance of the xfs file system is most excellent, and exceeds by a large amount the performance of the equivalent file systems built with such packages as MooseFS and GlusterFS: I get about 350 MB/sec write speed through the file system, and up to 800 MB/sec read. I have built something like this, and by performing tests such as sending a SIGKILL to one of the tgtd's, I have been unable to kill access to the file system. Obviously one has to manually intervene on the return of the tgtd in order to fail/hot-remove/hot-add the relevent target(s) to the md device. Presumably this will be made easier by using persistent device names for the targets on S. One could probably expand this to supplement the server S with a second server T to allow the possibility of failover of the service should S croak. I haven't tackled that part yet. So, what failure scenarios can take out the entire file system, assuming that both members of a pair (A,B) or (C,D) don't go down at the same time? There's no doubt that I haven't thought of something. Steve -- ---------------------------------------------------------------------------- Steve Thompson E-mail: smt AT vgersoft DOT com Voyager Software LLC Web: http://www DOT vgersoft DOT com 39 Smugglers Path VSW Support: support AT vgersoft DOT com Ithaca, NY 14850 "186,282 miles per second: it's not just a good idea, it's the law" ----------------------------------------------------------------------------

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Discuss May 2014