Discuss June 2009

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286 participants
327 discussions

yum best policy && magic.mime problem (httpd update)
by Adrian Sevcenco 04 Jun '09

04 Jun '09

Hi! I have 2 questions : 1. I heard about an best and all policy with yum for 64bit arch .. how can i change the policy to best as is annoying to have doubled packages when i need only the 64bit ones ... 2. i try to update the apache and i have this : --> Processing Dependency: /usr/share/magic.mime for package: httpd --> Finished Dependency Resolution httpd-2.2.3-22.el5.centos.1.x86_64 from updates has depsolving problems --> Missing Dependency: /usr/share/magic.mime is needed by package httpd-2.2.3-22.el5.centos.1.x86_64 (updates) Error: Missing Dependency: /usr/share/magic.mime is needed by package httpd-2.2.3-22.el5.centos.1.x86_64 (updates) and [root@rd yum.repos.d]# ls -la /usr/share/magic.mime lrwxrwxrwx 1 root root 15 Apr 14 11:58 /usr/share/magic.mime -> file/magic.mime [root@rd yum.repos.d]# ls -la /usr/share/file/magic.mime -rw-r--r-- 1 root root 31150 Jan 21 05:43 /usr/share/file/magic.mime any idea? Thanks! Adrian

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Re: [CentOS] yum update error this morning
by Szabo Akos 04 Jun '09

04 Jun '09

On Thu, 2009-06-04 at 09:40 +0200, Sorin Srbu wrote: > >> I did a yum clean all as well, but it didn't help. Uninstalling the file > >> package, as mentioned in my previous mail, resolved the issue for me. > YMMV > >> of course. > > > >The issue with the "file" package was a completely different one than > >the issue with the unsubscriptable object - although yum clean metadata > >has solved that one for most people as well. > > I did a yum update and got the update list, then installed the packages one > by one. When I got to file, I got the problem described previously. Removing > file package solved it for me. YMMV as said before. > > What was the problem with file package anyway?? I just donwload file package, and installed by hand, without problem: yumdownloader file.x86_64 rpm -Uvh file-4.17-15.el5_3.1.x86_64.rpm rm file-4.17-15.el5_3.1.x86_64.rpm Of course I use x86-64 :) -- Szabo Akos <fonya(a)fatav.hu> Fatav Bt.

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Re: [CentOS] yum update error this morning
by Ralph Angenendt 04 Jun '09

04 Jun '09

Sorin Srbu wrote: > >-----Original Message----- > >From: centos-bounces(a)centos.org [mailto:centos-bounces@centos.org] On > Behalf > >Of Ralph Angenendt > >> TypeError: unsubscriptable object > > > >What everybody did who got that error: yum clean all > > > >You aren't really reading here, are you? > > I did a yum clean all as well, but it didn't help. Uninstalling the file > package, as mentioned in my previous mail, resolved the issue for me. YMMV > of course. The issue with the "file" package was a completely different one than the issue with the unsubscriptable object - although yum clean metadata has solved that one for most people as well. Cheers, Ralph

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CentOS Pulse - The Bi-weekly CentOS Newsletter #0901
by Dag Wieers 04 Jun '09

04 Jun '09

Hi, I am pleased to announce the first edition of the bi-weekly CentOS newsletter which we dubbed "CentOS Pulse". This first issue centers around improving communication within the CentOS community and how that relates to the CentOS Promo SIG. We also look at the recent announcements regarding the CentOS LiveCD and the CentOS Directory Server. And dive into interesting community threads and the latest CentOS security updates. You can read the newsletter at: http://wiki.centos.org/Newsletter/0901 If you want to get an update everytime we release a new newsletter issue, you can subscribe to the newly created and low-traffic centos-newsletter mailing list at: http://lists.centos.org/mailman/listinfo/centos-newsletter The project team considers the CentOS Newsletter an important tool to communicate directly with the community. It is run by the community to collect interesting bits from the wiki, mailinglist, forums, SIGs and other sources, and put them into the spotlight. More information about the newsletter and how you can contribute is available from: http://wiki.centos.org/Newsletter Happy reading ! -- -- dag wieers, dag(a)wieers.com, http://dag.wieers.com/ -- [Any errors in spelling, tact or fact are transmission errors]

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"print notifier" icon
by Frank Cox 04 Jun '09

04 Jun '09

The Print Notifier icon appears in on my Gnome panel when I print something. After the job is completed, the icon grays out, but it's still present. With my Fedora setup, the icon appears when the job is active or pending, then it goes away completely until the next time I print something. How can I make Centos 5.3 do the same thing? -- MELVILLE THEATRE ~ Melville Sask ~ http://www.melvilletheatre.com

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Instability with later 4.x kernels?
by Benjamin Smith 04 Jun '09

04 Jun '09

I have an Athlon with about 10 HDDs plugged in, primarily to do Disk2Disk backups. Some drives are PATA, some are SATA, some are USB. A strange concoction, but it's been relatively stable for some 4-5 years, despite numerous upgrades and so on. It's been running CentOS 4 for a long, long time. (years) Recently, I've started to have problems with its stability, and after 2 weeks of swapping hardware, found that using an earlier kernel restores its stability! It takes a few days to determine if anything "goes south", so debugging is very, very slow. But I get random read errors, either SCSI errors or (a few times) HDA read errors. Once the read errors begin, the system becomes very unresponsive, and often won't restart, even though I wait for hours, without my hitting the "kill switch". # uname -a Linux backuphost 2.6.9-67.0.22.EL #1 Wed Jul 23 17:17:45 EDT 2008 i686 athlon i386 GNU/Linux The failures occur on all /dev/sd* devices, even those that are USB. Once, /dev/hdc had a similar problem after /dev/sdb had failed. Don't know if the mapping below helps? /dev/hda - PATA, on motherboard, 20 GB. /dev/hdb - IDE CDROM /dev/hdc - on motherboard 500 GB IDE /dev/hdd - on motherboard 300 GB IDE /dev/hde - on PCI card, 500 GB IDE /dev/sda - SATA, on a PCI card, 1 TB /dev/sdb - SATA, on a PCI card 1 TB /dev/sdc - USB on a USB 2.0 PCI card, 750 GB /dev/sde - USB on a USB 2.0 PCI card, 750 GB /dev/sdf - USB on a USB 2.0 PCI card, 1 TB Here's what I see in the /var/log/messages: May 27 05:08:42 hume ntpd[4844]: kernel time sync enabled 0001 May 27 08:01:01 hume kernel: SCSI error : <0 0 0 0> return code = 0x40000 May 27 08:01:01 hume kernel: end_request: I/O error, dev sda, sector 12847 May 27 08:01:01 hume kernel: EXT3-fs error (device sda1): ext3_find_entry: reading directory #2 offset 0 May 27 08:01:01 hume kernel: May 27 08:14:27 hume kernel: SCSI error : <0 0 0 0> return code = 0x40000 May 27 08:14:27 hume kernel: end_request: I/O error, dev sda, sector 12847 May 27 08:14:27 hume kernel: EXT3-fs error (device sda1): ext3_find_entry: reading directory #2 offset 0 May 27 08:14:27 hume kernel: May 27 10:28:30 hume ntpd[4844]: synchronized to 63.240.161.99, stratum 2 May 27 11:48:07 hume sshd(pam_unix)[26873]: session opened for user root by (uid=0) May 27 11:48:10 hume kernel: SCSI error : <0 0 0 0> return code = 0x40000 May 27 11:48:10 hume kernel: end_request: I/O error, dev sda, sector 12847 May 27 11:48:10 hume kernel: EXT3-fs error (device sda1): ext3_find_entry: reading directory #2 offset 0 May 27 11:48:10 hume kernel: May 27 11:48:16 hume kernel: SCSI error : <0 0 0 0> return code = 0x40000 May 27 11:48:16 hume kernel: end_request: I/O error, dev sda, sector 12847 May 27 11:48:16 hume kernel: EXT3-fs error (device sda1): ext3_readdir: directory #2 contains a hole at offset 0 May 27 11:48:23 hume kernel: SCSI error : <0 0 0 0> return code = 0x40000 May 27 11:48:23 hume kernel: end_request: I/O error, dev sda, sector 12847 May 27 11:48:23 hume kernel: EXT3-fs error (device sda1): ext3_readdir: directory #2 contains a hole at offset 0 May 27 11:48:24 hume kernel: SCSI error : <0 0 0 0> return code = 0x40000 May 27 11:48:24 hume kernel: end_request: I/O error, dev sda, sector 12847 May 27 11:48:24 hume kernel: EXT3-fs error (device sda1): ext3_readdir: directory #2 contains a hole at offset 0 May 27 11:48:38 hume kernel: SCSI error : <0 0 0 0> return code = 0x40000 May 27 11:48:38 hume kernel: end_request: I/O error, dev sda, sector 0 May 27 11:48:38 hume kernel: Buffer I/O error on device sda, logical block 0 May 27 11:48:38 hume kernel: SCSI error : <0 0 0 0> return code = 0x40000 May 27 11:48:38 hume kernel: end_request: I/O error, dev sda, sector 8 May 27 11:48:38 hume kernel: Buffer I/O error on device sda, logical block 1 May 27 11:48:38 hume kernel: SCSI error : <0 0 0 0> return code = 0x40000 May 27 11:48:38 hume kernel: end_request: I/O error, dev sda, sector 16 May 27 11:48:38 hume kernel: Buffer I/O error on device sda, logical block 2 May 27 11:48:38 hume kernel: SCSI error : <0 0 0 0> return code = 0x40000 May 27 11:48:38 hume kernel: end_request: I/O error, dev sda, sector 24 May 27 11:48:38 hume kernel: Buffer I/O error on device sda, logical block 3 May 27 11:48:38 hume kernel: SCSI error : <0 0 0 0> return code = 0x40000 May 27 11:48:38 hume kernel: end_request: I/O error, dev sda, sector 32 May 27 11:48:38 hume kernel: Buffer I/O error on device sda, logical block 4 May 27 11:48:38 hume kernel: SCSI error : <0 0 0 0> return code = 0x40000 May 27 11:48:38 hume kernel: end_request: I/O error, dev sda, sector 40 May 27 11:48:38 hume kernel: Buffer I/O error on device sda, logical block 5 May 27 11:48:38 hume kernel: SCSI error : <0 0 0 0> return code = 0x40000 May 27 11:48:38 hume kernel: end_request: I/O error, dev sda, sector 48 May 27 11:48:38 hume kernel: Buffer I/O error on device sda, logical block 6 .. MANY MEGABYTES OF STUFF LIKE THIS .. -- This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean.

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XSS (was Re: Centos 5.3 -> Apache - Under Attack ? Oh hell....)
by Michael A. Peters 04 Jun '09

04 Jun '09

Bob Hoffman wrote: > Since each install uses the same pages basically, it is easy for a autobot > to find them all and zero day your forums, xss your whatever, and so on. > > Dang scary to leave JS on at all....even though you basically have too. Mozilla is beginning to address this issue with Content Security Policy -=- http://people.mozilla.org/~bsterne/content-security-policy/ -=- CSP will require pro-active webmasters who use it and browsers that enforce the client side enforcement, but it's a step in the right direction. I wrote a php class that partially implements CSP server side as an output filter -=- http://www.clfsrpm.net/xss/ -=- It's DOMDocument based and thus requires the php xml stuff, I've only tested it under php 5.2.9 but it should work in 5.x. The class does have some limitations, namely the document must be fully constructed and sent through the class before any of it is sent to the browser so web apps that do a lot of echo() and print() have to be re-written to not send anything until the page is fully constructed, and I've also found it has performance issues on complex pages with a lot of nodes, so for those kinds of pages I just create the page with the dynamic content first, send it through the filter, then create the nodes for static content I know is clean and use DOMDocument facilities to add those nodes before outputing the page to the client. It's not possible to completely implement CSP server side, but the class will catch most violations of a CSP policy and thus give some protection to users who are not running a CSP aware web browser. Another gotcha with the class, it seems importHTML() is not mb safe so if using importHTML() to get the document into a DOMDocument object for filtering, and the document contains any multi-byte characters, it seems libxml2 will encode them and there seems to be no way to stop it from doing it (at least with the php wrapper to libxml2). However if the document to be filtered is xhtml, you can use importXML() on it libxml2 does the right thing in leaving the mb characters alone. Once filtered, you can use saveHTML() to produce html instead of xhtml for browser compatibility, it seems saveHTML() is mb safe.

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Adding an 'official' CentOS image to the Amazon EC2(Electronic Compute Cloud)
by Richard Shade 04 Jun '09

04 Jun '09

Sorry for not replying to this earlier, I just saw this thread because of the newsletter. We have had CentOS Images running in the cloud since 09/06/2007, and there have had a public script out for it, you can check us out in the Amazon catalog here: http://developer.amazonwebservices.com/connect/entry!default.jspa?categoryI…. This also has a build script here: http://s3.amazonaws.com/rightscale_scripts/CentOS5_2V4_0_2_Beta.sh, if you want to roll your own. If anyone needs any help or has any question on this shoot me an email. Also thanks to the CentOS team for all your hard work. -- Thanks, Richard Shade RightScale http://www.rightscale.com/

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NOOBE help
by Sam Drinkard 03 Jun '09

03 Jun '09

I know, I should not have to ask this question, but it appears that ALL my previous yum.repos.d entries have been trashed, with the only ones left is base, CentOS Media then the mirrors.rpmforge.reo, rhel-mondo.repo, rpmforge.repo, and webmin.repo. I've been bitten by the mixing of repositories before and want to avoid that scenario. Something is amok in the existing, and it throws all kinds of errors about something not found or such, so I'm asking some kind soul of they would share their working repo file structure for me? I *think* I have protect base, and priorities installed already, but will double check. This is yet another new clean install after a botched attempt to recover some data from a mondo-rescue DVD which apparently dis some ugly things to stuff including grub. Anyhow, my main items of interest would be stuff like clamav-milter, spamass-milter, and anything else dealing with handling spam, not to mention some other scientific software like udunits, perhaps Grads (if exists), etc.. all geared towards weather. My humble thanks and apologies for my dumbness for not keeping good backups of important stuff.. it WONT happen again ! head hanging low :( Sam

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Can't play DVD movies on CentOS 5.3 after following guidance on the wiki
by David McGuffey 03 Jun '09

03 Jun '09

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Discuss June 2009