How to Check and Install Updates On CentOS 7 and RHEL
Installing updates for software packages or the kernel itself, is a highly recommended and beneficial task for system administrators; more especially when it comes to security updates or patches. While security vulnerabilities are discovered, the affected software must be updated so as to lessen any potential security risks to the whole system. If you have not configured your system to install security patches or updates automatically, then you need to do it manually. In this article, we will show you how to check and install software updates on CentOS and RHEL distributions. To check for any updates available for your installed packages, use YUM package manager with the check-update subcommand; this helps you to see all package updates from all repositories if any are available. yum check-update To update a single package to the latest available version, run the command below. In this example, yum will attempt to update the httpd package/service. yum update httpd To update a package group, [...]
