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Re: [CentOS] Resizing est4 filesystem while mounted
by Jeff Boyce 23 Jun '12

23 Jun '12

Replying to the daily digest, with my response at the bottom. >Message: 13 >Date: Fri, 15 Jun 2012 12:22:08 -0700 >From: Ray Van Dolson <rayvd(a)bludgeon.org> >Subject: Re: [CentOS] Resizing est4 filesystem while mounted >To: centos(a)centos.org >Message-ID: <20120615192207.GA23689(a)bludgeon.org> >Content-Type: text/plain; charset=us-ascii > >On Fri, Jun 15, 2012 at 12:10:09PM -0700, Jeff Boyce wrote: >> Greetings - >> >> I had a logical volume that was running out of space on a virtual >> machine. >> I successfully expanded the LV using lvextend, and lvdisplay shows that >> it >> has been expanded. Then I went to expand the filesystem to fill the new >> space (# resize2fs -p /dev/vde1) and I get the results that the >> filesystem >> is already xx blocks long, nothing to do. If I do a # df -h, I can see >> that >> the filesystem has not been extended. I could kick the users off the VM, >> reboot the VM using a GParted live CD and extend the filesystem that way, >> but I thought that it was possible to do this live and mounted? The RH >> docs >> say this is possible; the man page for resize2fs also says it is possible >> with ext4. What am I missing here? This is a Centos 6.2 VM with an ext4 >> filesystem. The logical volumes are setup on the host system which is >> also >> a Centos 6.2 system. > >Try resize4fs (assuming your FS is ext4). > >Ray Well, I have never seen a reference to resize4fs before (and yes my FS is ext4). It is not on my Centos 6.2 system, and doing a little searching through repositories for that specifically, or e4fsprogs, and I can't find it anywhere to even try it. Any google reference seems to point back to resize2fs. I ended up booting a live SystemRescueCD and using GParted via the GUI. My notes indicate that is what I had done previously also. I am still stumped, everything that I have read indicates that resize2fs can do a live resizing on ext4 file systems. Can anybody confirm or deny this? Is the reason I can't do this because it is on an LVM logical volume? Thanks. Jeff Boyce Meridian Environmental

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reinventing the wheel? page checker
by Bob Hoffman 23 Jun '12

23 Jun '12

Not sure if there is an app like this yet. I want to keep tabs on my web applications and thought of using a 'page checker'/ I was thinking either running a sum on the directory or each file...but thinking a simple date check would be fine. The idea is web application, except the uploads area for photos, never has changes to its files except when I change it. However, if it gets injected or hacked, I would want to know right away. So thinking of running a script every minute looking for files where the date changed since 'x' date or something like that. Anything out there like that? thanks

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converting .doc to html
by m.roth＠5-cent.us 22 Jun '12

22 Jun '12

Anyone got a preferred program or package for this? I'd like a *good* one, and Word or OO.o's save as html in no way qualifies as other than amateur crap. So far, with a little googling, I've found the wv package. wvHtml works, but I don't like the output - it insists on <div>, and on &rhquo instead of plain, simple ". mark "what, ask for an opinion in this shy, diffident group?"

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basic auth fails
by Tim Dunphy 22 Jun '12

22 Jun '12

Hello, I've setup apache basic auth on by web server to protect my nagios site. It's been working just fine, but suddenly it stopped accepting passwords even tho they are being typed in correctly. I was wondering if I could get some advice on how to troubleshoot this? I'm on a centos 5.4 machine Linux 2.6.21.7-2.fc8xen #1 SMP Fri Feb 15 12:34:28 EST 2008 x86_64 x86_64 x86_64 GNU/Linux Server version: Apache/2.2.21 (Unix) Server built: Nov 14 2011 18:03:07 I don't see any indication in the logs as to why this may be happening, but it's possible I might not be looking for the right things. Thanks Tim gpg --keyserver pool.sks-keyservers.net --recv-keys F186197B

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SATA errors in log
by Steve Brooks 22 Jun '12

22 Jun '12

Hi, I have a SATA PCIe 6Gbps 4 port controller card made by Startech. The kernel (Linux viz1 2.6.32-220.4.1.el6.x86_64) sees it as Marvell Technology Group Ltd. 88SE9123 I use it to provide extra SATA ports to a raid system. The HD's are all "WD2003FYYS" and so run at 3Gbps on the 6Gbps controller. However I am seeing lots of instances of errors like this ----------------------------------------- Jun 22 03:13:23 viz1 kernel: ata13.00: exception Emask 0x10 SAct 0x4 SErr 0x400000 action 0x6 frozen Jun 22 03:13:23 viz1 kernel: ata13.00: irq_stat 0x08000000, interface fatal error Jun 22 03:13:23 viz1 kernel: ata13: SError: { Handshk } Jun 22 03:13:23 viz1 kernel: ata13.00: failed command: WRITE FPDMA QUEUED Jun 22 03:13:23 viz1 kernel: ata13.00: cmd 61/e8:10:98:05:1b/01:00:66:00:00/40 tag 2 ncq 249856 out Jun 22 03:13:23 viz1 kernel: ata13.00: status: { DRDY } Jun 22 03:13:23 viz1 kernel: ata13: hard resetting link Jun 22 03:13:24 viz1 kernel: ata13: SATA link up 3.0 Gbps (SStatus 123 SControl 330) Jun 22 03:13:24 viz1 kernel: ata13.00: configured for UDMA/133 Jun 22 03:13:24 viz1 kernel: ata13: EH complete --------------------------------------- Vendor ID : 1b4b Device ID : 9123 I tried to see what drivers were currently being used but the command below gave nothing grep -i 1b4b /lib/modules/*/modules.alias | grep -i 9123 I have changed the card and cables but still get the same errors. I am wondering if the el6 kernel is using the correct drivers I checked "elrepo" against the "Vendor:Device ID pairing" and it also came up blank. Any ideas would be much appreciated. Regards, Steve

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CentOS-announce Digest, Vol 88, Issue 13
by centos-announce-request＠centos.org 22 Jun '12

22 Jun '12

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-2012:1029 CentOS 5 file FASTTRACK Update (Johnny Hughes) ---------------------------------------------------------------------- Message: 1 Date: Fri, 22 Jun 2012 11:08:41 +0000 From: Johnny Hughes <johnny(a)centos.org> Subject: [CentOS-announce] CEBA-2012:1029 CentOS 5 file FASTTRACK Update To: centos-announce(a)centos.org Message-ID: <20120622110841.GA27390(a)chakra.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Bugfix Advisory 2012:1029 Upstream details at : http://rhn.redhat.com/errata/RHBA-2012-1029.html The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) i386: 8a98e586acca5ff300dac78f6f2cd2548001ff3f2f946e7c26613864f950102a file-4.17-28.i386.rpm x86_64: 50b33ade3d9a0209e2a7225ed959fd8ce9d6173ab279bca9a6738797d1acd26f file-4.17-28.x86_64.rpm Source: 690888b77be34b978a454a3c03705b4bbd7c2ac5bdf4cef13221f6c1c3837074 file-4.17-28.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 88, Issue 13 ***********************************************

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Cannot See Login Screen Anymore !!
by Shiv. Nath 22 Jun '12

22 Jun '12

Hi CentOS community Friends, It is CentOS 6.2 x86_64 machine, i have upgraded few packages using "yum -y update", after the reboot machine does not show login screen, i have allowed enough time to show the screen that are about 2 hours. booting process does complete, it just hangs when it is about to show the screen. i tried to check by doing ssh for warring/error logs. nothing serious was there. but when i did the ssh to the server then i saw the following error. Prior to the upgrade machine was just okay.. ) MacBook-Pro:~ prabhpal$ ssh -l mike 41.211.25.233 mailer(a)41.211.25.233's password: -bash: /dev/null: Permission denied -bash: /dev/null: Permission denied -bash: /dev/null: Permission denied -bash: /dev/null: Permission denied -bash: /dev/null: Permission denied -bash: /dev/null: Permission denied Thanks / Nath

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'yum update' rollback or .. ?
by przemolicc＠poczta.fm 22 Jun '12

22 Jun '12

Hello, we have several physical servers (CentOS 5.*) with rather critical applications where (because of stability) we don't do regularly 'yum update'. In virtualized environemnts (under Vmware) we do a snapshot, then 'yum update', reboot and if something is wrong we rollback the snapshot. On physical servers we cannot do that. I have read about rollback option of rpm but not sure if this is reliable solution. What is your best practise regarding "rollbacking" 'yum update' on physical servers ? Regards Przemyslaw Bak (przemol)

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Re: [CentOS] SATA errors in log
by Steve Brooks 22 Jun '12

22 Jun '12

On Fri, 22 Jun 2012, Reindl Harald wrote: > > > Am 22.06.2012 13:58, schrieb Steve Brooks: >> I have a SATA PCIe 6Gbps 4 port controller card made by Startech. The >> kernel (Linux viz1 2.6.32-220.4.1.el6.x86_64) sees it as >> >> Marvell Technology Group Ltd. 88SE9123 >> >> I use it to provide extra SATA ports to a raid system. >> The HD's are all "WD2003FYYS" and so run at 3Gbps on the 6Gbps controller. >> However I am seeing lots of instances of errors like this >> >> ----------------------------------------- >> >> Jun 22 03:13:23 viz1 kernel: ata13.00: exception Emask 0x10 SAct 0x4 SErr >> 0x400000 action 0x6 frozen >> Jun 22 03:13:23 viz1 kernel: ata13.00: irq_stat 0x08000000, interface >> fatal error >> Jun 22 03:13:23 viz1 kernel: ata13: SError: { Handshk } >> Jun 22 03:13:23 viz1 kernel: ata13.00: failed command: WRITE FPDMA QUEUED >> Jun 22 03:13:23 viz1 kernel: ata13.00: cmd >> 61/e8:10:98:05:1b/01:00:66:00:00/40 tag 2 ncq 249856 out >> Jun 22 03:13:23 viz1 kernel: ata13.00: status: { DRDY } >> Jun 22 03:13:23 viz1 kernel: ata13: hard resetting link >> Jun 22 03:13:24 viz1 kernel: ata13: SATA link up 3.0 Gbps (SStatus 123 >> SControl 330) >> Jun 22 03:13:24 viz1 kernel: ata13.00: configured for UDMA/133 >> Jun 22 03:13:24 viz1 kernel: ata13: EH complete >> >> --------------------------------------- >> >> Vendor ID : 1b4b >> Device ID : 9123 >> >> I tried to see what drivers were currently being used but the command >> below gave nothing > > > why do you care for drivers? > > this looks like dying hard-drives are always looking in syslog Hi Reindl, I should have mentioned I swapped out the hard-drive and same errors on new drive. I checked the SMART attributes of the drive and nothing untoward, also executed the smartctl -long .... test wich came back error free. Steve -- Dr Stephen Brooks http://www-solar.mcs.st-and.ac.uk/ Solar MHD Theory Group Tel :: 01334 463735 Fax :: 01334 463748 E-mail :: steveb(a)mcs.st-andrews.ac.uk --------------------------------------- Mathematical Institute North Haugh University of St. Andrews St Andrews, Fife KY16 9SS SCOTLAND ---------------------------------------

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official linux raid mailing list?
by Alan McKay 21 Jun '12

21 Jun '12

Hey folks, Google seems to bring up a few things and I was wondering if there might be an official mailing list for linux RAID? 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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