To update a SUSE Enterprise Linux (SEL) server, you can use the zypper command to install the latest patches and updates for the system.
To update all packages on the system, you can use the following command:
zypper update
This will update all packages on the system to the latest available versions.
You can also use the zypper patch command to install only security patches and updates. For example, to install all available security patches and updates, you can use the following command:
zypper patch --security
You can also specify specific packages to update by providing their names as arguments to the zypper update or zypper patch commands. For example, to update the openssh package, you can use the following command:
zypper update openssh
For more information about using the zypper command to update packages on a SUSE Enterprise Linux system, you can refer to the zypper man page or search online for tutorials and examples.