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Make Raid1 2nd disk bootable?
by Les Mikesell 16 May '07

16 May '07

On earlier versions of Centos, I could boot the install CD in rescue mode, let it find and mount the installed system on the HD even when it was just one disk of RAID1 partitions (type=FD). When booting from the centos5 disk the attempt find the system gives a box that says 'You don't have any Linux partitions'. At the bottom of the screen there is something that says: cl->raidtype=5 rd_type=1 <TAB><Alt-Tab> between elements cl->raidtype=5 rd_type=1 <F12> next screen But there is no way to access the bottom part. If I hit the OK button and get a shell I can mount the partitions myself, but then when I chroot to the mounted system there are no devices in /dev. What's the right way to install grub on what was /dev/sdb in the original install but is now the only disk and moved to /dev/sda? The old /dev/sda is no longer there.... -- Les Mikesell lesmikesell(a)gmail.com

4 5

selinux-policy-targeted-sources and CentOS 5?
by Jiann-Ming Su 16 May '07

16 May '07

What is the equivelent "selinux-policy-targeted-sources" package in CentOS 5? It was available in 4.4. Thanks for any help. -- Jiann-Ming Su "I have to decide between two equally frightening options. If I wanted to do that, I'd vote." --Duckman "The system's broke, Hank. The election baby has peed in the bath water. You got to throw 'em both out." --Dale Gribble

3 2

compiling cups rpm
by Dave 16 May '07

16 May '07

Hello, I need to install cups 1.2.11 it has a few bug fixes i require. So far building the rpm from source, it has a .spec hasn't worked. Does anyone have either a cups 1.2.11 rpm or srpm? Thanks. Dave.

1 0

Does a Bind GUI Tool exist?
by Jamrock 16 May '07

16 May '07

I am teaching Linux to some Windows admins. Does a GUI tool for BIND exist on CentOS? Yum install system-config-bind does not give me a result.

7 7

NFS /home freezes.
by Jean Figarella 16 May '07

16 May '07

My old nfs server was an old dual Xeon machine running debian. Everything worked fine. Then I switched over to a new Penguin Computer Altus 2600 (if Im not mistaken) with two Dual-Core AMD Opteron(tm) Processor 2210 and 4GB of ram. CentOS4.4 is running on it. Now here is the thing, this nfs server is exporting "/home" and all workstations mount the /home dir via fstab. Ever since I switched to this new server running CentOS4.4 everyone on the network gets 5-20 second freezes sporadically trough the day. In other words if I am browsing the net using Firefox, because all the user's options and cache are stored on ~/.firefox, it freezes for the 5 to 20 seconds at a time. After running some test, this happens when big chunks of file are being copied via nfs to the server. So as an example if user1 has a 700Mb iso image in /tmp and he decides to copy this to his home dir (for whatever reasons, this is not important), every user in the network will experience 5 to 20 seconds freezes while the file is being copied. Now if the same file is being scp-ed to the same user's home dir on the server, the freezes do not happen. Now I have tried many different nfs server options and other nfs client options. I also set up a test nfs server with centos4 and 5 where I am the only user, and while copying big chunks of date, nfs freezes (hangs) too. Here is my /etc/exports: /home *domain.com(rw,root_squash,sync,no_subtree_check,no_wdelay) Here is how client workstations mount the export in the fstab fshome:/home /home/ nfs rsize=8192,wsize=8192,intr 0 0 Am I mis-configuring the nfs server of clients? Is there anything I am not doing right? If anybody has any suggestions, I would appreciate it very much. Thanks, Jean Figarella.

1 1

how to create label fo swap space
by mcclnx mcc 16 May '07

16 May '07

I just add a partition /dev/sdb3 and use "mkswap /dev/sdb3" to make it swap space. How can I label the /dev/sdb3 like "SWAP-sdb3"? what I want is put on /etc/fstab as entry like: LABEL=SWAP-sdb2 swap swap defaults 0 0 LABEL=SWAP-sdb3 swap swap defaults 0 0 Thanks ____________________________________________________________________________________ 設定安全圖章，保護您的 Yahoo!奇摩帳號不被駭客盜用！ http://tw.info.yahoo.com/seal/index.html

3 2

seqfault during kernel recompile...
by dcw 16 May '07

16 May '07

I am using CentOS 5 with all updates installed. I have 2 isa ne2000 network cards in my computer. From running make xconfig both isa and ne2000 support needs to be compiled into the kernel instead of making them modules. Is this correct? During the recompile modsign.sh failed with a segfault. In researching, I found an email posted on Redhat that recommended setting the signmodules to 0 in the SPEC file. Before I did this, I wanted to verify that this is an acceptable solution to the problem. Any help will be appreciated, David

1 0

Re: [CentOS] Make Raid1 2nd disk bootable?
by David G. Miller 16 May '07

16 May '07

Les Mikesell <lesmikesell(a)gmail.com> wrote: > Grub isn't so much the issue here as the difference in the rescue mode > boot. I'm used to being able to boot the CD, chroot into the existing > system and have pretty much normal access regardless of what was broken. > Now that the system /dev directory is basically empty, things don't work > when you have to mount the partitions manually. Is there a step to > set up devices so the chroot will work? Hey Les - I haven't tried this but were you looking at /dev *after* you did the chroot? It sort of makes sense to me that the running kernel would only populate it's /dev, not the chrooted /dev. Rescue mounts at least the root partition under /mnt/sys (or something like that). Before you chroot, you should probably also mount any other partitions you want under /mnt/sys and then chroot. Cheers, Dave -- Politics, n. Strife of interests masquerading as a contest of principles. -- Ambrose Bierce

2 1

yum groupinstall "Development Tools" overkill
by Niki Kovacs 16 May '07

16 May '07

Hi, The subject says it all. I'm currently fiddling with CentOS to become comfortable with it. Starting from a minimal system (everything unchecked during install), I wanted to have a reasonable set of build tools. Roughly the equivalent of Debian's 'apt-get install build-essential'. I tried yum groupinstall "Development Tools", which resulted in a total of 108 MB of packages... including the whole load of GNOME libs. Gasp! Is there any comprehensive list (in some forum or some WiKi) for everything necessary to build apps from source and/or build source RPMS? Cheers, Niki Kovacs -- Dyslexics have more fnu.

2 2

redhat package
by Mark Quitoriano 16 May '07

16 May '07

what would you get from buying from redhat that you will not get if you download it from centos?

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