The CentOS officaial site has released the latest CentOS 6.6 version. How do I upgrape the current CentOS system ( Centos 6.5, CentOS X) to CentOS 6.9 ? this post will show you the ways to upgrade the CentOS system.
Upgrading System To CentOS 6.9
Step1# before upgrading system, you’d better to have a check for current CentOS system version, issue the following comand:
$sudo cat /etc/issue
Output:
[root@osetc~]$ sudo cat /etc/issue CentOS release 6.3 (Final) Kernel \r on an \m
Step2# Checking which packages need to update, issue the following command:
$sudo yum check-update
Outputs:
[root@osetc~]$sudo yum check-update base | 3.7 kB 00:00 base/primary_db | 4.6 MB 00:01 extras | 3.4 kB 00:00 extras/primary_db | 29 kB 00:00 gf | 2.9 kB 00:00 gf/primary_db | 73 kB 00:00 updates | 3.4 kB 00:00 updates/primary_db | 888 kB 00:22 audit.x86_64 2.3.7-5.el6 base audit-libs.x86_64 2.3.7-5.el6 base authconfig.x86_64 .1.12-19.el6 base bash.x86_64 4.1.2-29.el6 base
Step3# this step will start to upgrade CentOS system, type:
$sudo yum update
Step4# reboo CentOS system, type:
$sudo reboot
Step5# checking the CentOS version again after rebooting
$cat /etc/redhat-release CentOS release 6.9 (Final)
done…..