To update a CentOS 5.4 system to CentOS 5.5, you can use the following steps:
- Make sure your system is up-to-date with the latest packages by running the following command as root:
yum update
- Once the update process is complete, reboot your system to ensure that any updates that require a reboot are applied.
reboot
- After your system has rebooted, check the current version of CentOS by running the following command:
cat /etc/redhat-release
This should display the current version of CentOS, which should now be 5.5.
- Check for any packages that need to be updated by running the following command:
yum check-update
This will display a list of packages that need to be updated.
- Update any packages that need to be updated by running the following command:
yum update
- Once the update process is complete, reboot your system again to ensure that any updates that require a reboot are applied.
reboot
- After your system has rebooted, verify that the update was successful by checking the version of CentOS again:
cat /etc/redhat-release
This should once again display the current version of CentOS, which should now be 5.5.
By following these steps, you can update a CentOS 5.4 system to CentOS 5.5 and ensure that your system is up-to-date with the latest packages and security updates.