CentOS is the most popular and widely used Linux operating system (OS) on VPS / Dedicated server. You must keep your CentOS updated for security reasons. Below are the basic SSH commands to update CentOS on a VPS / Dedicated server.
Check for update
It will check your machine to see if any update is available.
yum check-update
Run Update
You just need to run one command to apply all updates. Below command will update your machine.
yum update
You can also run yum update command with -y option.
yum –y update
The –y option will answer yes to all prompts such as confirmation that you want to install or update a particular package.
