Lock, expire and delete Linux account

Sometimes the Oracle DBA has to I delete a Unix user account under Linux operating systems including the home directory. How do I expire, delete or remove a user’s access from my server? Deleting user account in Linux is an administrative task to remove user login credentials from system configuration files such as /etc/passwd, /etc/shadow […]

ZFS snapshots (Overview)

A snapshot is a read-only copy of a file system or volume. Snapshots can be created almost instantly, and they initially consume no additional disk space within the pool. It’s important for the Oracle DBA in Montreal to have a list of these commands. How can I create a new ZFS snapshot? $sudo zfs snapshot […]