Upgrade to CentOS 6.7 from CentOS 6.6/6.5/6.4/6.3/6.2/6.1/6.0
Table of Contents
CentOS 6.6 is released. This is quick guide, howto upgrade to CentOS 6.7 from CentOS 6.6/6.5/6.4/6.3/6.2/6.1/6.0. I have tested this method on multiple CentOS 6 (servers / desktops) and everything looks work fine after upgrade.
Upgrade to CentOS 6.7 from CentOS 6.6/6.5/6.4/6.3/6.2/6.1/6.0⌗
1. Change to root User⌗
su -
## OR ##
sudo -i
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⌗
yum list updates
4. Upgrade with yum update⌗
Official way to do upgrade:
yum update
Another way to do update is first clean all, second update glibc, yum, rpm and python packages and then update other packages like following:
yum clean all
yum update glibc* yum* rpm* python*
yum update
5. Reboot⌗
reboot
6. Check CentOS 6.7 (Final) release info and Check your entire system⌗
cat /etc/redhat-release
## Output ##
CentOS release 6.7 (Final)
Following needs redhat-lsb package
lsb_release -a
## Output ##
LSB Version: :core-4.0-amd64:core-4.0-ia32:core-4.0-noarch:graphics-4.0-amd64:graphics-4.0-ia32:graphics-4.0-noarch:printing-4.0-amd64:printing-4.0-ia32:printing-4.0-noarch
Distributor ID: CentOS
Description: CentOS release 6.7 (Final)
Release: 6.7
Codename: Final
Check that your system is working normally and test every services.