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Oddity with kernel built under CentOS 5.0
by Mark Hull-Richter 30 May '07

30 May '07

Yesterday I found a need to have the NTFS module support in my CentOS 5.0 at home, so I happily installed the 8.1.4 source, prepped it (after deleting the rhel and olpc lines per Johnny's notice earlier in this list), made the config with a ".nx" version name using make menuconfig (copying the config from the SOURCES directory, editing it to include the # x86_64 line and copying it back), changing the spec file to make the release also have a ".nx" after the embedded one. The kernel built and installed without errors, but when it booted (this morning), there were massive errors. It did come up, but without the graphical desktop, so I went in and poked around and found 16 of these: May 29 07:58:28 localhost modprobe: FATAL: Could not load /lib/modules/2.6.18-8.1.4.el5.nx.nx/modules.dep: No such file or directory ".nx.nx"????? The kernel rpm is this: -rw-r--r-- 1 mhr users 15318350 May 29 03:34 kernel-2.6.18-8.1.4.el5.nx.x86_64.rpm and the running version is this: Linux mhrichter 2.6.18-8.1.4.el5.nx.nx #1 SMP Tue May 29 03:11:28 PDT 2007 x86_64 x86_64 x86_64 GNU/Linux I got around this by creating a symlink: drwxr-xr-x 7 root root 4096 May 29 08:31 2.6.18-8.1.4.el5.nx/ lrwxrwxrwx 1 root root 19 May 29 10:56 2.6.18-8.1.4.el5.nx.nx -> 2.6.18-8.1.4.el5.nx/ My question is: why is the kernel version getting that extra ".nx" in it? I didn't see this problem when I built my 5.0 test kernel at work, and I never saw anything like it in 4.4. Where did I go awry? -- Mark Hull-Richter DATAllegro (www.datallegro.com) 85 Enterprise, Second Floor, Aliso Viejo, CA 92656 949-680-3082 - Office 949-680-3001 - fax

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unattended install via nfs
by Dave 30 May '07

30 May '07

Hello, Does anyone have a guide for setting up an nfs server for unattended deployment of centos5? Basically what i want to do is boot a system from CD media, pass a boot parameter nfs, and ks= options then walk away, the box goes out to the nfs server, finds the kickstart file, reads, and does it. I've got several machines and i'd rather not do manual installs. Thanks. Dave.

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Re: [CentOS] raid
by Brent L. Bates 30 May '07

30 May '07

I tried for a very long time to set up a RAID 10 (striped mirror) during install and never figured out a way of doing it. I was trying to do this for `/'. Install only wants one level of RAID and can not seem to handle more than one. After the system was installed and up and running, I probably could have set up a mount point that was RAID 10, but not for `/'. -- Brent L. Bates (UNIX Sys. Admin.) M.S. 912 Phone:(757) 865-1400, x204 NASA Langley Research Center FAX:(757) 865-8177 Hampton, Virginia 23681-0001 Email: B.L.BATES(a)larc.nasa.gov http://www.vigyan.com/~blbates/

2 1

raid
by CentOS List 30 May '07

30 May '07

Hi, I have 4 x 500GB PATA Harddisk and I like to have them striped and mirrored. What is the best practise? Raid 0+1 or 1+0.. And how do i go about it? Thanks

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centosplus :: php5 + mysql4 :: possible?
by Lucas Chan 29 May '07

29 May '07

Hi, I was wondering if anyone came across this problem before: I'm trying to install php5 from the centosplus repository but it wants me to upgrade from mysql4 to mysql5 (also provided by the centosplus repository). Has anyone come up with a good work-around for this? I'd like to have php5 and mysql4 talking to each other in the most yum/rpm friendly way possible. Note: While mysql5 will run my databases just fine, mysql4 is a fixed requirement for this project. Thanks, LC.

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Re: [CentOS] wich apc ups?
by Brent L. Bates 29 May '07

29 May '07

The do not say it because Watts = Volts x Amps ONLY in DC or 100% resistive AC loads. If it is an inductive load, it isn't that simple, that is why they have `VA', `Volts x Amps', ratings. There can be a phase difference between the voltage and current, thus the `Wattage' is less than the `VA' rating. A `1500VA' UPS is going to list less than `1500 Watts'. Just check out any UPS manufacturerer's specs. and the `VA' and wattage ratings will be different. To be safe, I take the voltage rating of the equipment and multiply it by the current rating to come up with the `VA' rating. I know APC says to not go over 80% of the UPS rated load, so take your `VA' value and divide by 0.80 to get the `VA' rating you want your UPS to be. This will probably give you an UPS a little bigger than you need, but it is better to be a bit too large than too small. -- Brent L. Bates (UNIX Sys. Admin.) M.S. 912 Phone:(757) 865-1400, x204 NASA Langley Research Center FAX:(757) 865-8177 Hampton, Virginia 23681-0001 Email: B.L.BATES(a)larc.nasa.gov http://www.vigyan.com/~blbates/

1 0

GFS: Howto - Help/ Inconsistent - Wiki Volunteer?
by Karl R. Balsmeier 29 May '07

29 May '07

Hi, I am using this document along with the following links to try and assemble a GFS set of mahcines: 1. Log on as the root user. 2. Run up2date --installall --channel Label for Red Hat Cluster Suite. The following example shows running the command for i386 RPMs: # up2date --installall --channel rhel-i386-as-4-cluster 3. (Optional) If you are installing Red Hat GFS, run up2date --installall --channel Label for Red Hat GFS. The following example shows running the command for i386 RPMs: # up2date --installall --channel rhel-i386-as-4-gfs-6.1 -finding little or no information on google or centos site using good search keys, I reverted to using the following Centos RPMs: http://mirror.centos.org/centos/4/csgfs/x86_64/RPMS/ which I set in my repository by: You can add the csgfs repository to your yum configuration by downloading the CentOS-csgfs.repo file and putting it in your /etc/yum.repos.d/ directory: http://mirror.centos.org/centos/4/csgfs/CentOS-csgfs.repo and my issue is that adding packages one by one, I see other -kernel names like: cman-kernel <http://mirror.centos.org/centos/4/csgfs/x86_64/RPMS/cman-kernel-smp-2.6.9-4…>, <http://mirror.centos.org/centos/4/csgfs/x86_64/RPMS/dlm-kernel-2.6.9-42.12.…> dlm-kernel <http://mirror.centos.org/centos/4/csgfs/x86_64/RPMS/dlm-kernel-2.6.9-42.12.…> gnbd-kernel <http://mirror.centos.org/centos/4/csgfs/x86_64/RPMS/gnbd-kernel-largesmp-2.…> I simply went with: GFS-kernel-smp-2.6.9-58.2.centos4.x86_64.rpm <http://mirror.centos.org/centos/4/csgfs/x86_64/RPMS/GFS-kernel-smp-2.6.9-58…> Is this the right package -anyone want to make a GFS on Centos 4.5 HOWTO for use on the Wiki? -karl

1 0

Getting Samba to work in CentOS 4.4
by Andy Allen 29 May '07

29 May '07

I'm trying to access files on a networked Windows machine from my linux box (CentOS 4.4) using SMBFS mounting but it doesn't work. I've checked the Service Configuration and there's no sign of the smb entry in the list. Do I have to install this additionally and if so how, as I thought it would be installed as part of the standard workstation package? Andy

2 2

Can't start X with latest CentOS 50. kernel
by Dick Roth 29 May '07

29 May '07

Nvidia driver for 6200 LE video card. No problems with CentOS 4.5. When installed (not upgraded) 5.0 X would not start. X works fine with 2.6.18-8.1.3.el5 but only with xorg.conf as written for 4.5 Haven't seen traffic regarding this problem. Has anyone else seen this? Thanks, Dick -- "They that can give up essential liberty to obtain a little temporary safety deserve neither liberty nor safety." --Benjamin Franklin 1775

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SAMBA in CentOS 5, shared level
by devel 29 May '07

29 May '07

Hello, Anyone can work with samba enabled with shared level of identification? I can not work with samba, always access deny in security that should not ask for password but Windows XP ask for it. Incredible! Really works? -- -- Publicidad http://www.pas-world.com

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