Discuss January 2011

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276 participants
289 discussions

kickstart and grub parameters
by Keith Keller 26 Jan '11

26 Jan '11

Hey list, I recently started working with kickstart. It is awesome! I really had no idea how easy it would be to use. I do have one strange issue, that's really not that important, but that I'd like to figure out. I like to watch all the kernel boot messages go by in text mode by default, and when I've set up a box in the past, I've modified grub's menu.lst file to remove all the GUI components of the boot. But when I try this from a kickstart-installed box, either from a %post section or manually, I still get (mostly) the GUI boot process. Here's my relevant menu.lst exerpts: first, the one working the way I like: #boot=/dev/hda default=0 timeout=5 #splashimage=(hd0,0)/grub/splash.xpm.gz #hiddenmenu title CentOS (2.6.18-194.11.4.el5) root (hd0,0) kernel /vmlinuz-2.6.18-194.11.4.el5 ro root=LABEL=/ initrd /initrd-2.6.18-194.11.4.el5.img Then, the one not behaving the way I expect: #boot=/dev/sda default=0 timeout=5 #splashimage=(hd0,0)/grub/splash.xpm.gz #hiddenmenu title CentOS (2.6.18-53.el5) root (hd0,0) kernel /vmlinuz-2.6.18-53.el5 ro root=LABEL=/ initrd /initrd-2.6.18-53.el5.img I'm not sure why they're behaving differently; AFAICT the two are the same modulo the kernel version. Any suggestions for what I can look at next? --keith -- kkeller(a)wombat.san-francisco.ca.us

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Re: [CentOS] Recommendation for a Linux alternative to Centos - ATH9K disaster
by Les Bell 25 Jan '11

25 Jan '11

Les Mikesell <lesmikesell(a)gmail.com> wrote: >> Running XP as a server??? << There are lots of bloatware Windows products which use MS SQL server as an embedded database, Les. My personal favourite was the software for a TV tuner card (Pinnacle) which used SQL Server to store its program schedule. Bloatware of the first order, and unstable as hell, too. Meanwhile, for those who a spot of schadenfreude: http://failblog.org/2011/01/25/m-thru-f-why-so-blue/ Best, --- Les Bell [http://www.lesbell.com.au] Tel: +61 2 9451 1144

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mail problems after setting up lynx for https with c_rehash
by Rob Kampen 25 Jan '11

25 Jan '11

Hi List, I am not sure it's related but after I ran c_rehash over my ssl certificate directory I am having email delay problems. 1. my thunderbird client now regularly times out and tells me the smtp server is not available - a retry always works - this never occurred before. I do use TLS for the smtp server on port 25 for my connection. 2. another mail server that regularly sends me mail reports:- ********************************************** ** THIS IS A WARNING MESSAGE ONLY ** ** YOU DO NOT NEED TO RESEND YOUR MESSAGE ** ********************************************** The original message was received at Mon, 24 Jan 2011 21:12:16 -0800 from relay07 [10.183.136.126] ----- Transcript of session follows ----- <rkampen(a)reaching-clients.com>... Deferred: 403 4.7.0 TLS handshake failed. Warning: message still undelivered after 1 minute Will keep trying until message is 5 days old The mails arrive just fine a bit later - related?? I have checked the load on the server - low I have checked maillog and can see nothing different or unusual running centos 5.5 on 2.6.18-194.26.1.el5 BTW lynx with https is working just fine now Not sure where to look next - any ideas or suggestions appreciated TIA

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adding raid1 to running system
by dwoody1 25 Jan '11

25 Jan '11

I have followed the procedure on the Centos page: http://wiki.centos.org/HowTos/CentOS5ConvertToRAID My setup is slightly different. I am using two partitions, / and /home. I have setup swap as a file, /home/swapfile. My hard drives are 500Gig sda and sdb. In modifying the instructions for initializing sdb I have: used /dev/md0 for / (sdb1) used /dev/md1 for /home (sdb2) In section 3.6 The line: mount /dev/RaidSys/Root /mnt/root.new was changed to mount /dev/md0 /mnt/root.new Everything seems to go well until I get to section 4.4.1/4.4.2 Install grub. The commands for installing grub show success but when I edit the /mnt/root.new/boot/grub/menu.lst the contents still point to hd0 not hd1. In section 4.4.4 I am not sure how the following should be changed: umount /mnt/boot.new mount /dev/md0 /mnt/root.new/boot The umount is not needed in my case but should the second line be: mount /dev/md0 /mnt/root.new Other info I have found includes creating a /etc/mdadm.conf. This is not referred to in the instructions. Are the changes I have made correct? Am I missing any other changes? Thanks for any help, David

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mysqld status discrepancy
by ken 25 Jan '11

25 Jan '11

Bug, explainable, or expected?? Checking the status of mysqld as root, then as a regular user: # /etc/init.d/mysqld status mysqld (pid 4806) is running... $ /etc/init.d/mysqld status mysqld dead but subsys locked

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kernel security issues
by Dave 25 Jan '11

25 Jan '11

Hi, after watching the security alerts for the centos kernel I've the impression that altought they are fixed fastly there are more alerts than for the vanilla one of the same version. Question: Are those alerts mostly specifically centos related or do they also affect the vanilla sources? -- mailintern(a)123mail.org -- http://www.fastmail.fm - Access your email from home and the web

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tar-ing subdirectories separately
by Johan Martinez 25 Jan '11

25 Jan '11

I want to backup a directory using tar, but want separate tarballs for each subdirectory. For example: # ls dir1 subdir1 subdir2 subdir3 Will it possible to do it using only tar command? Or will I need another separate piece of logic/control? I thought of writing a shell script with three tar commands for each subdirectory, but that's not elegant way of doing it. Also, it may not scale as number of subdirectories change. Any other solutions or tips for doing this will be really helpful. Thank you jM

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kernel security issues+
by Dave 25 Jan '11

25 Jan '11

-- mailintern(a)123mail.org -- http://www.fastmail.fm - A no graphics, no pop-ups email service

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kernel update
by mahmoud mansy 25 Jan '11

25 Jan '11

hey guys, i wanna update the kernel of thw centos 5.5,to the 2.6.32 version! is there any compatablity issues with stuff like glibc or otheres!

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iproute2 custom tables and rules the CentOS way...
by Ray Van Dolson 24 Jan '11

24 Jan '11

Hi all; I have a custom iproute2 table and a few rules to go along with it (CentOS 5) -- I have added the table to /etc/iproute2/rt_tables. if-up and friends doesn't seem to handle this real gracefully. How are those of you out there doing something similar managing this customization? I don't really want to muck with /etc/init.d/network or the if-up scripts to avoid breaking upgrades. rc.local my best bet? Thanks, Ray

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Discuss January 2011