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SELinux in %post
by Paul Heinlein 11 May '07

11 May '07

Does anyone know if utilities like semanage or fixfiles will be successful if used during the %post section of a kickstart installation? -- Paul Heinlein <> heinlein(a)madboa.com <> www.madboa.com

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megasr Sata Raid driver and the lastest kernel
by robb＠boardman.me.uk 11 May '07

11 May '07

Hi List I'm trying to update to the lastest kernel but I have a dirver that is not inculded in the distrubution, and I had to use the driver disk when installing centos 4.4 in the first place, The driver megasr .ko works fine with the installed kernel but I cannot find on for the updated kernel, any adive would be appreciated. without the updated driver there is a kernel panic on boot due to not finding the correct hard drive controller driver Thanks in advance for your help Robb

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Dell Dimension C521n
by Kenneth Porter 11 May '07

11 May '07

I'm in an all-Dell shop and am contemplating buying one of these to use as an "emergency gateway server" in case my primary fails. It'll let me take the primary out of service to upgrade its OS. Has anyone installed CentOS on one of these? Any gotchas? It looks like I can buy this model with these tweaks for about $480: AMD Athlon 64 X2 Dual-Core 3600+ FreeDOS included in the box, ready to install 2GB Dual Channel DDR2 SDRAM at 667MHz- 2DIMMs Free Upgrade from 80GB to 160GB (7200RPM) w/DataBurst Cache 16X DVD-ROM Drive NVIDIA GeForce 6150 LE Integrated Graphics GPU Integrated 7.1 Channel Audio

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Centos 5 killing applications
by centos＠911networks.com 11 May '07

11 May '07

I recently upgraded to CentOS5, and now I have application that suddenly close. Did not have any problem under 4.x Applications that crash regularly. Claws mail [compiled under CentOS5] VMware 5.5.3 workstation I see nothing in /var/log/messages. In vmware-0.log I have: May 11 00:18:56: vmx| * May 11 00:18:56: vmx| * The UI terminated unexpectedly. May 11 00:18:56: vmx| * If you file a bug or support request about this issue, May 11 00:18:56: vmx| * please include log and core file(s) from the UI if May 11 00:18:56: vmx| * available. May 11 00:18:56: vmx| * May 11 00:18:56: vmx| Unable to continue without a UI. Any suggestion on what's causing the crashes. I have plenty of free disk space 60Gb+ I use NVIDIA 6200 with the NVIDIA driver compiled on this computer Any suggestion of what I should look for to further investigate? -- Thanks http://www.911networks.com When the network has to work

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RE: [CentOS] CentOS 5 ssloooowww when network unavailable
by Bowie Bailey 11 May '07

11 May '07

Lorenzo wrote: > John Newbigin ha scritto: > > Sounds like DNS. > > > > At a guess, I would try adding your hostname to the /etc/hosts file > > and set either a permanent IP address, or use 127.0.0.1 > > > > John. > > > I agree with John: the communications between the server and the > client under X are trying to resolve the hostname which fails and > they have to wait for the DNS query timeout. > > The solution is to put the hostname on the 127.0.0.1 line in > /etc/hosts If you want to be able to call the "official" address, put > the full hostname.domain on a separate line on /etc/hosts > > I feel my english writing skills not adequate, so I write an example > to explain better: Don't apologize for it, your english writing is better than many people I know here in the US. -- Bowie

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Re: [CentOS] CentOS 5 and Broadcom wireless
by David G. Miller 11 May '07

11 May '07

"Bart Schaefer" <barton.schaefer(a)gmail.com> wrote: > Is wpa_supplicant installed? > > > It is, and I tried enabling it as well, but it spews a bunch of errors > at boot time and exits. It's apparent I need to edit > /etc/sysconfig/wpa_supplicant, but if I'm *not* using ndiswrapper I > don't know what to use in the DRIVERS= assignment. So that's > chkconfig'd off again. Try: DRIVERS=wext This actually worked better for me than DRIVERS=ndiswrapper when I use ndiswrapper. I think it tells wpa_supplicant that the kernel driver supports the generic wireless extensions. As an example, I can get WPA-PSK authentication to work with DRIVERS=wext but not with ndiswrapper even though I'm running ndiswrapper. I also did some googling and it looks like quite a bit of bcm43xx work has gone into kernels after 2.6.18. No idea if these changes have been back ported by upstream to the current 2.6.18 kernel. I have some friends visiting now but I'm planning on giving bcm43xx a whirl again with the 2.6.21 kernel. Cheers, Dave -- Politics, n. Strife of interests masquerading as a contest of principles. -- Ambrose Bierce

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STRANGE MOUSE POINTER BEHAVIOUR - CENTOS-5
by Chris Geldenhuis 11 May '07

11 May '07

Hi All, I have done a fresh install of CentOS-5 (64bit) from CD's downloaded and sha1sum checked. The install is a minimal version with KDE and XEN - to use as DOM0. However when booting up and logging in the mouse pointer appears as normal. Once in the Graphical screen the pointer disappears. The mouse does work as you can see changes in the icons on the screen when moving in around and if you click on an icon it opens. I have tried various setting for the mouse pointer but nothing makes it visible. Any pointers ? TIA ChrisG

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RE: [CentOS] Disable window scaling during kickstart
by Plant, Dean 11 May '07

11 May '07

Ray Van Dolson wrote: > On Thu, May 10, 2007 at 07:04:51PM +0100, Plant, Dean wrote: >> Weird... Tell me about it, I spent a lot of time head scratching >> trying to figure out why network connections would just mysteriously >> hang. Eventually found reference to a problem with >> tcp_window_scaling and firewalls and after disabling >> tcp_window_scaling on my test CentOS 5 box, everything started >> working. >> >> The install does not get far enough for the shell console to be >> available, it hangs at the transferring stage2.img. >> > > Ah, probably before %pre even has run (?) Well you could rebuild the > kernel on the install CD to disable window scaling by default. :) Ok, > not a particularly useful option... maybe someone else will have a > suggestion. > > In HP-UX you can pass kernel parameters at boot-time, I wonder if > anything similar could be done? Probably not. > > Have you captured a tcpdump of what happens when the "freeze" occurs > with an intermediary system? Maybe a setting could be changed on your > switch? Although I would doubt the switch would be a factor. Are > your packets going through an intermediary router? > > I plan to do some network installs of CentOS 5 soon, will be > interesting to see if this issue occurs. > I don't think this is a issue with CentOS/RHEL. The kickstart in this instance is passing through a firewall appliance, which I think is Open/FreeBSD based and we now believe is breaking tcp window scaling. It seems that CentOS3&4 was unaffected by this but with v5 network connections hang after transferring about 500k. On a network that does not pass through this firewall v5 works as expected. Dean

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centos5 cifs/autofs
by Mark Farmer 11 May '07

11 May '07

Hi all I am trying to use the cifs module to mount a share from a win2k3 server but I am getting the following error in /var/log/messages - the filesystem does mount but i'm having other issues accessing the data from our web based app. Can anyone explain why I get this error please? Indeed the file mount_cifs.so does not exist on the machine. automount[31080]: open_mount: (mount):cannot open mount module cifs (/usr/lib/autofs/mount_cifs.so: cannot open shared object file: No such file or directory) -- Mark Farmer RHCT Registered Linux User 353158 farmorg(a)gmail.com

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Re: [CentOS] CentOS 5 ssloooowww when network unavailable
by Brent L. Bates 11 May '07

11 May '07

Do not forget to double check the /etc/nsswitch.conf file too. The line that starts with `hosts:' should have `files' listed first and `dns' last. If you use NIS, `nis' should be after `files', but before `dns'. -- 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/

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