Upgrade to CentOS 5.11 from CentOS 5.10 (5.9, 5.8, 5.7, 5.6, 5.5, 5.4, 5.3, 5.2, 5.1, 5.0)

This is quick guide, howto upgrade to CentOS 5.11 from CentOS 5.10 (5.9, 5.8, 5.7, 5.6, 5.5, 5.4, 5.3, 5.2, 5.1, 5.0).

1. Change to root User

2. Backup all important data

  • Backup /etc diretory
  • Backup important logs /var/log
  • Backup web server configs and sites
  • Dump MySQL databases
  • Dump PostgreSQL databases
  • Backup all what you need if something goes wrong

3. Check list of packages that are going to be updated

4. Upgrade with yum update

Official way to do upgrade:

Another way to do update is first clean all, second update glibc, yum, rpm and python packages and then update other packages like following:

5. Reboot

6. Check CentOS 5.11 release info and Check your entire system

Following needs redhat-lsb package

Check that your system is working normally and test every services.

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  1. Good one, It worked without issues I have upgraded CENTOS 5.6 to CENTOS 5.10

  2. Hello,

    fantastic instructions! I just have a small problem in my environment, I upgrade from Centos 5.5 to 5.11 using your instructions then perform the reboot, upon startup the server can’t load eth0 and I can’t activate it. To fix I’ve had to remove the NIC settings then restart and add them in again. Is there a BUG that would be causing this? I’ve tested this twice so far on the my test lab.



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