Less Ram With Centos5
Jul 6, 2007
we got a new box with 4GB of ram but seem that Centos 5 show only 3Gb why?
root [/]# free -m
total used free shared buffers cached
Mem: 3290 2757 533 0 228 968
-/+ buffers/cache: 1560 1729
Swap: 8001 0 8000
root@mikonos [/]# uname -a
Linux 2.6.18-8.1.6.el5 #1 SMP Thu Jun 14 17:46:09 EDT 2007 i686 i686 i386 GNU/Linux
the same server with Centos 4 report 4GB
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May 14, 2008
I'm trying to install CentOS5. Although the default partition should work fine for me, but I would like to create my own partition for /var, /usr/, /tmp, /swap, etc. Can you recommend me a good partion including the size. My server has 4GB RAM and 500GB SATA2 HDD. I don't use much space of HDD.
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May 18, 2008
centOS5 don't come with mass install software?
Any perl modules and rpm sources can compile on 64bits version?
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Jan 26, 2008
Trying to get something sorted on a VPS that I want, but when I try to run a script I get the following error:
cp: cannot stat `/lib/libxcrypt.so.1': No such file or directory
which is easy enough for me to understand however, I cannot find what package I need to install to provide the file.
I have searched for libxcrypt* on the box to see if its hidden elsewhere but to no avail.
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Nov 26, 2007
i have installed xen kernel et libraries, i try to install a guest os with virt-install, and when i hit the network installation it doesn't seam to work. The installation doesn't go further.
Anyone has experience with xen ? I'm a good unix admin but i havn't worked alot with xen yet. I can make it work on other hardware but it seams that for some reason it doesn't work on my dedicated server.
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Nov 18, 2008
I have a VPS with CentOS5 and CPanel...for some reason if I went to that URL it would show the website for the second account created in WHM...so I modified the httpd.conf and added the domain, but for some reason subdirectories won't work on it.
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May 27, 2007
I have been struggling with a couple of new servers that we want to run Centos 5 on. For a second assume that is our desire so going back to 4.x isn't an option yet.
Now while I mention Centos 5, the problem seems to be with PAM and x64.
When trying to login to the server via ssh, the login succeds but then immediately kicks the user out. I have tried this with root and another user created. I have set the UsePam option to no to try to resolve this in sshd_config.
On the H-Sphere forum I found this reference:
[url]
" if i try to connect with ssh and i enter the right password i get an error and ssh closes the connection. The answer already was in the ticket you opened:
Quote:
That is known bug dealt with PAM authentication.
The bug was fixed for i386 systems long time ago. But it was not fixed for x86_64 architecture.
We build FreeVPS kernel new version 1.5-13.1 for x86_64 architecture to fix the problem.
We also installed the kernel into the box IP 64.71.227.16.
Please reboot the box with the new FreeVPS kernel version: 2.6.9-freevps-1.5-13.1smp.
Let us know the result."
Does anyone know how to resolve this? A reinstall of PAM was attempted by a well known sysadmin here but to no avail.
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May 5, 2009
Can someone please provide me steps to install FFMPEG on centos5.
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May 2, 2007
I tried CentOS5 on my new server. Having CentOS 4 on all other server I never faced this issue. I always get server with vim -minimal installed and I install vim enhanced and common to get text color highlighting.
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Dec 30, 2007
We have a weird issue on one of our centos 5 servers, running the 2.6.18-53.1.4.el5 kernel
for some reason we cant mkdir any directories that are numerically named
ie mkdir 5789 doesnt work
alpha and alpha numeric work fine... ie mkdir ab567a
Quote:
[root@]# mkdir 6
mkdir: cannot create directory `6': No such file or directory
[root@]# mkdir 6ab
[root@]#
Someone suggested the adore-ng rootkit was to blame but we have run ossec root check, rkhunter and chkrootkit and even run clamav over the drives and cant find anything nasty
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Apr 2, 2009
On a CentOS5 VPS I have access to "yum update" barely working due to the base mirror "styx.biochem.wfubmc.edu" being tremendously slow.
I'm trying to find out how to disable that mirror possibly via a mirror exclude setting in yum.conf or some other way. I've been searching but I've not found any documentation on this so hopefully somebody out there will know how to make this change.
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May 10, 2009
i have server
system centos5.2
Apache 2.2.11
PHP 5.2.9
how can install HP/Java Bridge?
in this link he said install Apache Tomcat
but i have Apache 2
[url]
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Oct 24, 2008
I just colocated a 2U supermicro server for a VPS node and experiencing troubles getting HyperVM (ovz) and centos5 to run on it. First of all, the h/w specs.:
2x dual-core opteron 280
12GB DDR400 ECC Reg. RAM
Supermicro H8DA8 mainboard
Adaptec 2120S RAID card with BBU, writecache on
6x73GB SCSI as RAID5+hotspare
All firmware updated
I asked DC staff to load centos5 x64. They installed 5.1 and it was running fine.
However, they said centos 5.2 didn't install. So, I ran a yum update and it updated to 5.2 including kernel.
After the update and issuing a reboot, the box did not come back online and on consoling it, they said error messages scroll too fast to be read after the centos splash screen and it loops on like that. Only the 5.1 kernel 2.6.18-53.el5 seem to boot fine though.
I booted with the old kernel and installed hyprvm; set grub to boot using the ovz kernel and rebooted. Sadly, the same errors and server non-responsive.
Does anyone have any clue regarding this issue? Should I try my luck with centos4.7 x64 instead?
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May 24, 2009
How do I configure dedicated IP's on Virtual Machines running on a CentOS5 Host?
I installed VMWare Server 2 almost without a problem using no GUI, I now have the web interface for the VMWS2 and any machine I create and run on it seems to do so without a problem.
The thing is, I can't connect or know how to configure this virtual network so I end up using 2 dedicated IPs on the Virtual Machine.
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