Discuss May 2009

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254 participants
254 discussions

Re: [CentOS] Solved: Dual-booting CentOS and WinXP
by Les Mikesell 19 May '09

19 May '09

Sorin Srbu wrote: >> -----Original Message----- >> From: centos-bounces(a)centos.org [mailto:centos-bounces@centos.org] On > Behalf >> Of Sorin Srbu >> Sent: Friday, May 15, 2009 8:48 AM >> To: 'CentOS mailing list' >> Subject: Re: [CentOS] Dual-booting CentOS and WinXP >> >> Thanks for the confirmation all. I'll try switching the master/slave >> settings. >> >> Luckily I'm still at the testing phase, to see how things'll go smoothest, >> before I go live so to speak. > > First test machine finished after some serious tinkering, will probably need > to do another test install according to the documentation I made during the > testing. The machine now boots both CentOS and WinXP and all seems fine. > > Below are the steps I took: > > * Disconnect linux hd. > > * Install a new hd and jumper it as primary master. Linux hd should > consequently be set as primary slave. Install WinXP. I've ghosted the > Workgroup install with g4u, so next deployment should be fairly quick. Also > wrote zeroes to all empty areas on the Windows hd to save space at ghosting. > > * Connect linux hd. > > * Boot from cd1 with appropriate CentOS release and run "linux rescue". > > * At prompt, run "grub-install --recheck /dev/hda". > > * At prompt run "grub". > > * Enter root (hd1,0). This'll install grub to second hd on MBR, the one with > CentOS on it, if my information is correct. > > * Enter "setup (hd1). > > * Enter "quit" and reboot. > > * Boot CentOS and check /etc/grub.conf. > > * Boot Windows and check whatever needs to be checked. > > * Done. > > > The nice thing here is that I can use the same IP for both installs. Being > continually low on available IP's for this department, this is super! > > Thanks all for hints and help! Note that it is also possible to set up VMware and perhaps virtualbox to be able to boot the alternate OS as a virtual machine so you can run both at once if you like. If you don't have the enterprise-licensed version of windows you might need to run it as the host, though. Otherwise it will want to be re-licensed every time you switch between virtual and physical boots and it sees different hardware. With Vmware you have to install the (free) server version to do the setup, although you can later remove it and use the player version at runtime if you prefer. -- Les Mikesell lesmikesell(a)gmail.com

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unable to read partition table in log
by P.A 18 May '09

18 May '09

Hi recently I noticed in the messages log, the following error May 18 15:59:52 mail kernel: sdb: assuming drive cache: write through May 18 15:59:52 mail kernel: sdb : READ CAPACITY failed. May 18 15:59:52 mail kernel: sdb : status=0, message=00, host=1, driver=00 May 18 15:59:52 mail kernel: sdb : sense not available. May 18 15:59:52 mail kernel: sdb: assuming Write Enabled May 18 15:59:52 mail kernel: sdb: assuming drive cache: write through May 18 15:59:52 mail kernel: sdb:<3>Buffer I/O error on device sdb, logical block 0 May 18 15:59:52 mail kernel: Buffer I/O error on device sdb, logical block 0 May 18 15:59:52 mail last message repeated 5 times May 18 15:59:52 mail kernel: unable to read partition table I'm not sure what sdb is since its not listed on my partition table [root@mail srvadmin]# fdisk -l Disk /dev/sda: 109.1 GB, 109196476416 bytes 255 heads, 63 sectors/track, 13275 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Device Boot Start End Blocks Id System /dev/sda1 * 1 13 104391 83 Linux /dev/sda2 14 13275 106527015 8e Linux LVM [root@mail srvadmin]# df -h Filesystem Size Used Avail Use% Mounted on /dev/mapper/VolGroup00-LogVol00 99G 42G 52G 45% / /dev/sda1 99M 44M 51M 47% /boot none 3.9G 0 3.9G 0% /dev/shm [root@mail srvadmin]# I looked at the hardware itself and all disk in this raid system are fine, my question is, is this something I need to worry about and what is causing this issue. Although everything looking fine, my messages log is full of sdb complaints.

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Re: [CentOS] Solved: Dual-booting CentOS and WinXP
by Sorin Srbu 18 May '09

18 May '09

>-----Original Message----- >From: centos-bounces(a)centos.org [mailto:centos-bounces@centos.org] On Behalf >Of Sorin Srbu >Sent: Friday, May 15, 2009 8:48 AM >To: 'CentOS mailing list' >Subject: Re: [CentOS] Dual-booting CentOS and WinXP > >Thanks for the confirmation all. I'll try switching the master/slave >settings. > >Luckily I'm still at the testing phase, to see how things'll go smoothest, >before I go live so to speak. First test machine finished after some serious tinkering, will probably need to do another test install according to the documentation I made during the testing. The machine now boots both CentOS and WinXP and all seems fine. Below are the steps I took: * Disconnect linux hd. * Install a new hd and jumper it as primary master. Linux hd should consequently be set as primary slave. Install WinXP. I've ghosted the Workgroup install with g4u, so next deployment should be fairly quick. Also wrote zeroes to all empty areas on the Windows hd to save space at ghosting. * Connect linux hd. * Boot from cd1 with appropriate CentOS release and run "linux rescue". * At prompt, run "grub-install --recheck /dev/hda". * At prompt run "grub". * Enter root (hd1,0). This'll install grub to second hd on MBR, the one with CentOS on it, if my information is correct. * Enter "setup (hd1). * Enter "quit" and reboot. * Boot CentOS and check /etc/grub.conf. * Boot Windows and check whatever needs to be checked. * Done. The nice thing here is that I can use the same IP for both installs. Being continually low on available IP's for this department, this is super! Thanks all for hints and help! -- /Sorin

1 0

URL of website doesn't point anymore to CentOS/Drupal installation
by M. Fioretti 18 May '09

18 May '09

sorry for the vague subject, but I couldn't find a better one. I have the website http://digifreedom.net running on a Centos 4 VPS with Apache and Drupal 6.10 . This is a multisite Drupal setup: only one installation, with subdirectories in sites/, and a separate mysql database for each website. For several reasons, I had setup DNS, drupal and everything to work without the www prefix on domain names. In other words, http://digifreedom.net is OK, www.digifreedom.net was never used. Everything worked perfectly for months, if not years. Five minutes ago, somebody wrote to me that a digifreedom.net URL I suggested him to read "doesn't work". I checked, and what happens now is that, if I type http://digifreedom.net/node/82 the browser is immediately redirected to www.digifreedom.net/node/82, which (of course) returns an error message: "Firefox can't find the server at www.digifreedom.net" That error message is OK, because I had NOT set up DNS and apache to answer to that address. What I don't get is why http://digifreedom.net now becomes www.digifreedom.net. I haven't changed anything myself in DNS, drupal or apache config for many weeks, so why all of a sudden something started to behave differently? The weirdest thing is that this "forced redirection" from example.com to www.example.com happens with some, but not all of the other domains configured in the same way and running on the same server off the same Apache/Drupal installation! How can I find, at least, which piece of the puzzle is responsible for this problem? I am aware that probably this isn't even a centos issue, I just need a pointer in the right direction. TIA, Marco -- Your own civil rights and the quality of your life heavily depend on how software is used *around* you: http://digifreedom.net/node/84

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CentOS 5.3: duplicate glib2-2.12.3-2.fc6 packages
by William R. Lorenz 18 May '09

18 May '09

Hi All, I have a freshly installed CentOS 5.3, x86_64 system -- just the Base package selection (via custom packages selection), and nothing else. Immediately after install (no updates), here's what's in the RPM db: [root@dev ~]# rpm -qa | grep -i glib2 glib2-2.12.3-2.fc6 glib2-2.12.3-2.fc6 [root@dev ~]# I have two questions about this: (1) Should this package be listed in the RPM database twice? (2) Should it be listed there with the fc6 extension? Any insights would be appreciated. Thanks, -- William R. Lorenz

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When will we be moving to lighttpd 1.5?
by James Matthews 18 May '09

18 May '09

I know I can compile it however I prefer to use the package manager and having an updated version. -- http://www.goldwatches.com

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Kickstart hang trying to install CentOS 5.3
by Alfred von Campe 17 May '09

17 May '09

I've been using kickstart successfully with a local mirror going back to CentOS 4.X. I'm trying to install CentOS 5.3 via kickstart on a new system (which happens to be different than most other systems I've installed on), and the install process always hangs shortly after the partitions are created. If I go to the alternate console #3, the last two lines are always this (except that the time stamp changes every time I try it of course): 10:06:18 DEBUG: Member xorg-x11-drv-i128-1.2.0-4 - u 10:06:18 DEBUG: Adding Package xorg-x11-drv-i128-1.2.0-4.i386 in mode u This is preceded by hundreds of similar lines for other packages, but it always hangs at xorg-x11-drv-i128-1.2.0-4. I am currently out of other systems to test/install this on. Instead of the usual ThinkCentre mini tower, this system is a ThinkCentre pizza box. I've installed CentOS on this type of hardware before without problems, but it hangs on the only two systems I currently have. It's possible that there is something wrong with my local mirror, but I rsync it every night and this problem has been going on for a few days. I will try to install this on a mini tower to rule out any hardware compatibility issues, but in the mean time, I'm looking for suggestions on how to debug this. I've booted into Linux rescue mode after power cycling the system after it hung to look at whatever did get installed, but there are no useful log files. Alfred

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GlusterFS 2.0 Release
by Harshavardhana 17 May '09

17 May '09

Greetings everyone, On behalf of the Gluster team I'm happy to announce that we've released GlusterFS v2.0. A milestone in terms of feature and stability has been reached, hope it helps your storage needs. :) Announcement =========== About GlusterFS: GlusterFS is a clustered file system that runs on commodity off-the-shelf hardware, delivering multiple times the scalability and performance of conventional storage. The architecture is modular, stackable and kernel-independent, which makes it easy to customize, install, manage and support different operating systems. Multiple storage systems can be clustered together, supporting petabytes of capacity in a single global namespace. Building a configuration of a few hundred terabytes can be accomplished in less than thirty minutes. GlusterFS Release v2.0: GlusterFS v2.0 has gone through a major revamp in design and development since v1.3. Thanks to thousands of initial users who provided us great feedback and bug reports. There are a number of production deployments now. GlusterFS uses existing disk file systems (such as Ext3, XFS, ZFS..) to store your data as regular files and folders. You can restore the data, even after you uninstall GlusterFS. So, give it a try and let us know. Please forward this message to relevant users. What is in 2.0 release: http://www.gluster.org/docs/index.php/GlusterFS_Features Who is using GlusterFS: http://www.gluster.org/docs/index.php/Who%27s_using_GlusterFS License: GNU GPLv3 Download: http://www.gluster.org/download.php Happy Hacking =========== -- GlusterFS Team

1 0

no snd-hda-codec.ko in CentOS 5.3 is that ok ?
by Colonna Francois 17 May '09

17 May '09

Hello, When I was running CentOS 5.2 (and other Liuux distribution) on an Asus W2J laptop, I never get sound. I upgraded to CentOS 5.3. Now the sound card is recognized and plays the test sounds. I checked channels with alsamixer, mix, kamix .... I still have no sound using aplay alsa command or whatever else audio display. Trying to check my configuration I discovered that the snd-hda-codec.ko is missing : modprobe -l | grep hda gives /lib/modules/2.6.18-128.1.10.el5/kernel/drivers/hwmon/hdaps.ko /lib/modules/2.6.18-128.1.10.el5/kernel/sound/pci/hda/snd-hda-intel.ko Is that the reason why I have no sound ? Regards, Francois Colonna

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Re: [CentOS] Dealing with brute force attacks
by James B. Byrne 17 May '09

17 May '09

On: Thu, 14 May 2009 13:00:09 -0700, Scott Silva <ssilva(a)sgvwater.com> wrote: > > http://packages.sw.be/fail2ban/ > Thank you, got it. In the meantime I revised my existing iptables rules to throttle connections to ssh, pop3, imap and ftp (which service is not running in any case). Thanks for all the help from everybody. -- *** E-Mail is NOT a SECURE channel *** James B. Byrne mailto:ByrneJB@Harte-Lyne.ca Harte & Lyne Limited http://www.harte-lyne.ca 9 Brockley Drive vox: +1 905 561 1241 Hamilton, Ontario fax: +1 905 561 0757 Canada L8E 3C3

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Discuss May 2009