Discuss September 2008

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264 participants
315 discussions

Touch Screen on Centos 5 UPDATE 2
by lingu 22 Sep '08

22 Sep '08

HI, * Any one help me in configuring Touch Screen Monitor on centos 5 update 2.Is there is any special driver or xorg.conf to be tuned for the touch screen to work. I am trying with Touch Screen from 3M-MICROTOUCH Connected to my SAMSUNG CRT MONITOR . * Regards, Lingu * ***<http://www.google.co.in/url?sa=t&source=web&ct=res&cd=8&url=http%3A%2F%2Fww…>

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Problem with booting/grub (?)
by Mark Hull-Richter 22 Sep '08

22 Sep '08

Earlier this evening, I had the interesting experience of shutting down my machine (because of that lp out-of-sync problem, discussed elsewhere), and watching it not come back up. I admit that I changed out one of my DVD writers for another one, but I don't understand how that could have had any effect on this: When I restarted the machine, it came up to the point where it normally shows: "GRUB Loading Stage 2..." Except, it stopped at the "GRUB" and hung - no stage 2, no disk activity, nothing, just hung. One of the changes I made a little while ago was to modify the boot order of my drives. I had been booting off of the hda drive, but now I'm booting from the sda drive. I went through the "grub-install /dev/sda" back then, then fixed the grub.conf because the disk id for the root was wrong (it was showing hd2, but in order to boot, this had to be set to hd0 because grub couldn't find anything on hd2 - weird, 'cuz that's where the /boot and / partitions both live, but I digress). I thought I'd be able to recover from this by booting from hda again, but that didn't work. So I put in my Live CD, booted from that and tried to fix it via grub-install from there - no go. Grub couldn't find /dev/mapper/livecd-rw (which wasn't there, although /dev/mapper/live-rw was - is that a bug in the live cd?) Then I went to my installation DVD, booted up into linux rescue mode (which took a few tries because I forgot to boot with linux rescue noapic), chroot'd to the right /dev and THEN I could finally run grub-install, and finally, the system rebooted from /dev/sda. I'm wondering: 1) What would cause the system not to get to the "Loading stage 2" part but be able to load GRUB? This one is really the key - if I can understand this, I can prevent it from happening again. 2) What's with the live CD not being able to run grub-install properly? (It also would not install using grub - I don't recall the exact error message, but it was something about there not being a stage 1 area on the drive, which makes no sense because it _does_ boot from that drive). 3) Is this the only way to recover from such an error (GRUB, no stage 2, not the lp error), or was there an easier way I missed? My configuration is: OS : CentOS 5.2 (2.6.18-92.1.10 Linux kernel) x86_64 with latest updates Hardware: AMD Athlon 64 x2 4200+ (2 x 2.0GHz), ECS NFORCE4M-A 4GB OCZ DDR2 800MHz (PC6400) /dev/hda Maxtor 160MB PATA UDMA-133 /dev/hdb Maxtor 120MB PATA UDMA-133 /dev/sda Seagate 300GB SATA-150/300 /dev/sdb WD 320GB SATA-150/300 /dev/hdc Pioneer 1810 (DVR-112D) 18x DVD+/-RW/DL /dev/hdd Pioneer 1810 (DVR-112D) 18x DVD+/-RW/DL Thanks. mhr

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Restarting failed processes
by Matty 22 Sep '08

22 Sep '08

We are running a process on a CentOS box, and periodically it dies. Does anyone happen to have any recommendations for a lightweight tool that can be used to monitor processes and restart them if they happen to fail? I looked at monit, but it appears to be a bit much for restarting a process. Thanks for any feedback, - Ryan

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Need help transfering CentOS5 from desktop to laptop
by Robert Arkiletian 22 Sep '08

22 Sep '08

created 2 partitions on laptop (/ and swap) formatted them. mounted both source and target (under /mnt on each machine) rsync -a / from desktop -> laptop (Note: OS on desktop is on sdb5. On laptop it's going to sda1) Now I need to put grub on mbr of laptop boot: linux rescue chroot /mnt/sysimage Here is my problem grub-install /dev/sda The file /boot/grub/stage1 not read correctly. Can anyone determine why I'm getting the above error? I also tried cp -a /usr/share/grub/i386-redhat/* /boot/grub no joy Here is all important info (gathered from linux rescue chroot /mnt/sysimage): -------------------------- /boot/grub/device.map (fd0) /dev/fd0 (hd0) /dev/sda ------------------------------- /etc/fstab /dev/sda1 / ext3 defaults 1 1 devpts /dev/pts devpts gid=5,mode=620 0 0 tmpfs /dev/shm tmpfs defaults 0 0 proc /proc proc defaults 0 0 sysfs /sys sysfs defaults 0 0 /dev/sda2 swap swap defaults 0 0 --------------------------------------- /etc/mtab /dev/sda1 / ext3 rw,defaults 0 0 proc /proc proc rw,defaults 0 0 sysfs /sys sysfs rw,defaults 0 0 /dev/sysfs /sys sysfs rw,defaults 0 0 ----------------------- fdisk -l Disk /dev/sda: 80.0 GB, 80026361856 bytes 255 heads, 63 sectors/track, 9729 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Device Boot Start End Blocks Id System /dev/sda1 * 1 9500 76308718+ 83 Linux /dev/sda2 9501 9729 1839442+ 82 Linux swap / Solaris --------------------------- /boot/grub/grub.conf # grub.conf generated by anaconda # # Note that you do not have to rerun grub after making changes to this file # NOTICE: You do not have a /boot partition. This means that # all kernel and initrd paths are relative to /, eg. # root (hd0,0) # kernel /boot/vmlinuz-version ro root=/dev/md0 # initrd /boot/initrd-version.img #boot=/dev/sda1 default=0 timeout=10 splashimage=(hd0,0)/boot/grub/splash.xpm.gz #hiddenmenu title CentOS (2.6.18-92.1.10.el5) root (hd0,0) kernel /boot/vmlinuz-2.6.18-92.1.10.el5 ro root=/dev/sda1 rhgb quiet initrd /boot/initrd-2.6.18-92.1.10.el5.img --------------- mount output (in chroot /mnt/sysimage) /dev/sda1 on / type ext3 (rw,defaults) proc on /proc type proc (rw,defaults) sysfs on /sys type sysfs (rw,defaults) /dev/sysfs on /sys type sysfs (rw,defaults) ----------------- /boot/grub total 328 -rw-r--r-- 1 root root 30 Sep 20 16:42 device.map -rw-r--r-- 1 root root 7584 Sep 20 20:17 e2fs_stage1_5 -rw-r--r-- 1 root root 7456 Sep 20 20:17 fat_stage1_5 -rw-r--r-- 1 root root 6720 Sep 20 20:17 ffs_stage1_5 -rw------- 1 root root 618 Sep 20 20:17 grub.conf -rw------- 1 root root 917 Sep 20 20:16 grub.conf.orig -rw-r--r-- 1 root root 6720 Sep 20 20:17 iso9660_stage1_5 -rw-r--r-- 1 root root 8192 Sep 20 20:17 jfs_stage1_5 lrwxrwxrwx 1 root root 9 Sep 20 18:16 menu.lst -> grub.conf -rw-r--r-- 1 root root 6880 Sep 20 20:17 minix_stage1_5 -rw-r--r-- 1 root root 9248 Sep 20 20:17 reiserfs_stage1_5 -rw-r--r-- 1 root root 5427 Nov 22 2007 splash.xpm.gz -rw-r--r-- 1 root root 512 Sep 20 20:17 stage1 -rw-r--r-- 1 root root 104956 Sep 20 20:17 stage2 -rw-r--r-- 1 root root 104956 May 24 14:37 stage2_eltorito -rw-r--r-- 1 root root 7072 Sep 20 20:17 ufs2_stage1_5 -rw-r--r-- 1 root root 6272 Sep 20 20:17 vstafs_stage1_5 -rw-r--r-- 1 root root 8864 Sep 20 20:17 xfs_stage1_5 -------------------------- /boot total 14720 -rw-r--r-- 1 root root 884809 Jun 14 2007 System.map-2.6.18-8.1.6.el5 -rw-r--r-- 1 root root 912799 Aug 5 05:05 System.map-2.6.18-92.1.10.el5 -rw-r--r-- 1 root root 912900 Jun 25 11:13 System.map-2.6.18-92.1.6.el5 -rw-r--r-- 1 root root 62154 Jun 14 2007 config-2.6.18-8.1.6.el5 -rw-r--r-- 1 root root 65411 Aug 5 05:05 config-2.6.18-92.1.10.el5 -rw-r--r-- 1 root root 65410 Jun 25 11:13 config-2.6.18-92.1.6.el5 drwxr-xr-x 2 root root 4096 Sep 20 20:47 grub -rw------- 1 root root 1523888 Jul 12 19:47 initrd-2.6.18-8.1.6.el5.img -rw------- 1 root root 2412127 Aug 28 14:48 initrd-2.6.18-92.1.10.el5.img -rw------- 1 root root 2412095 Jul 12 17:31 initrd-2.6.18-92.1.6.el5.img -rw-r--r-- 1 root root 80032 Nov 22 2007 message -rw-r--r-- 1 root root 83542 Jun 14 2007 symvers-2.6.18-8.1.6.el5.gz -rw-r--r-- 1 root root 91721 Aug 5 05:05 symvers-2.6.18-92.1.10.el5.gz -rw-r--r-- 1 root root 91734 Jun 25 11:13 symvers-2.6.18-92.1.6.el5.gz -rw-r--r-- 1 root root 1765588 Jun 14 2007 vmlinuz-2.6.18-8.1.6.el5 -rw-r--r-- 1 root root 1805620 Aug 5 05:05 vmlinuz-2.6.18-92.1.10.el5 -rw-r--r-- 1 root root 1805556 Jun 25 11:13 vmlinuz-2.6.18-92.1.6.el5 -- Robert Arkiletian Eric Hamber Secondary, Vancouver, Canada Fl_TeacherTool http://www3.telus.net/public/robark/Fl_TeacherTool/ C++ GUI tutorial http://www3.telus.net/public/robark/

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Utility of Centos liveCD
by David Dyer-Bennet 22 Sep '08

22 Sep '08

It appears that the liveCD (CentOS-5.2-i386-LoveCD.iso that I downloaded late last week) does not contain either netcat or tcpdump. Given the frequent use of a livecd for testing and debugging, those would seem to be key tools that should be available. Obviously a LiveCD can't contain everything anybody might ever want, but I'd give those two tools a pretty high priority; certainly much higher than, oh, sound-juicer, say, or openoffice.org-impress. (See me *not* asking for emacs in this space. Well, unless there was actually spare space just sitting there.) -- David Dyer-Bennet, dd-b(a)dd-b.net; http://dd-b.net/ Snapshots: http://dd-b.net/dd-b/SnapshotAlbum/data/ Photos: http://dd-b.net/photography/gallery/ Dragaera: http://dragaera.info

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Centos and Oracle
by Szemerédy Gábor 22 Sep '08

22 Sep '08

Hello llist! I have Centos 5.2 installed! Would like to use Oracle on it.So I downloaded Oracle Apllication server 10g rel. 3. We need to develop and use Oracle Forms applications. Do we need to install 10g Developer Suite also or are the forms contained in the application server? If we need the Developer Suite also , please tell us where from to download it. Thanks

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CentOS on a Sunfire 880
by Bernard 'Tux' Lheureux 22 Sep '08

22 Sep '08

Hi all, I just received a SunFire 880 machine and would like to install CentOS on it I think it is possible but should be very interested on advices and tips & tricks on how to do it the best way... Thanks for your help... M$-Internet Exploder est le cancer de l'Internet, voyez pourquoi ici : http://www.aful.org/ressources/documentations/msie-problemes-securite/ -- (°- Bernard Lheureux Gestionnaire des MailingLists ML, TechML, LinuxML //\ http://www.bbsoft4.org/Mailinglists.htm ** MailTo:root@bbsoft4.org v_/_ http://www.bbsoft4.org/ <<<<<< () >>>>> http://www.portalinux.org

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building php4 against stock mysql on centos 5.2 64bit
by Ivan Levchenko 22 Sep '08

22 Sep '08

HI, I'm building php4.4.9 on centos 5.2 x64, and I need it to use the systems mysql libs, not the bundled ones.... ./configure --with-libdir=lib64 --with-dbx --with-openssl --with-pcre --with-pgsql --with-posix \ --with-xml --with-zlib --with-gd=/usr --enable-gd-native-ttf --enable-bcmath --enable-fastcgi \ --disable-ipv6 --enable-force-cgi-redirect --with-bz2 --enable-ftp --with-apxs2 --with-iconv \ --with-freetype-dir=/usr --with-ttf --with-jpeg-dir=/usr --with-xpm-dir=/usr --with-png \ --with-mysql=/usr --prefix=/usr/local and all i'm getting is this: checking for mysql_close in -lmysqlclient... no checking for mysql_error in -lmysqlclient... no configure: error: mysql configure failed. Please check config.log for more information. this is what is going on in config.log: /usr/bin/ld: skipping incompatible /usr/lib/mysql/libmysqlclient.so when searching for -lmysqlclient /usr/bin/ld: skipping incompatible /usr/lib/mysql/libmysqlclient.a when searching for -lmysqlclient /usr/bin/ld: cannot find -lmysqlclient I've tried sooo many config combinations. config finishes if using bundled mysql libs, but thats not enough... =(... Any hope on this? Has anybody solved this before? Thanks in advance! # rpm -qa | grep mysql mysql-5.0.45-7.el5 mysql-devel-5.0.45-7.el5 mysql-devel-5.0.45-7.el5 mysql-5.0.45-7.el5 -- Best Regards, Ivan Levchenko levchenko.i(a)gmail.com

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Strange ! characters inserted into emails
by Sean Carolan 22 Sep '08

22 Sep '08

I have never encountered anything like this before, so thought I'd post here and see if anyone can help. We have a java application that sends out notification emails to end-users. The body of the email is some boilerplate text and HTML that is pulled from a database. When the emails are received there are random instances of " !" (that's a space and a bang symbol) inserted into the email in various locations. For example a sentence that is supposed to read like this: The quick brown fox jumped over the lazy dog. ends up looking like this: The quick b !rown fox jumped over the laz !y dog. We combed through the source text and didn't find any unusual characters in the body of the text. Somehow these bang symbols are being inserted after the mail is handed off to sendmail. Does anyone have an idea how I can troubleshoot this further? Or maybe you've seen something similar in your environment? thanks Sean

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netfilter kernel crash in ip_ct_refresh_acct / ip_conntrack with centos 5.x
by Jake Holmquist 22 Sep '08

22 Sep '08

> Hello! > > Has anyone seen this netfilter kernel crash? > > Images from the console of the crashed firewall: > http://pasik.reaktio.net/centos5-kernel-crash/ > > Firewall is HP DL360 G4 server running CentOS 5.x 32 bit. > > I've seen this firewall crashing multiple times, but I only started investigating it lately.. > > It has happened using CentOS 5.0, 5.1 and now also with 5.2. I'm not sure if > it was the same bug earlier, but at least the last two times (with CentOS 5.2) > it has been the same, see screenshots. > > Last lines of the console output: > > EIP: [<f8af2c5c>] __ip_ct_refresh_acct+0xa1/0x129 [ip_conntrack] SS:ESP 0068:c0724e4c > <0>Kernel panic - not syncing: Fatal exception in interrupt > > At the moment firewall is running CentOS 5.2, Linux kernel 2.6.18-92.1.10.el5.centos.plus. > > Any tips how to resolve this? Take a look here: https://bugzilla.redhat.com/show_bug.cgi?id=433661 Looks like a test kernel is available.... We've been having this problem for quite some time - actually moved our production box to RHEL 4.x Jake

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Discuss September 2008