New Linux admins need to know how to give and take sudo privileges from users. Jack Wallen shows you how on both Ubuntu- and Red Hat-based Linux distributions.

Figure A Removing sudo rights from CentOS (top) and Ubuntu (bottom). And that’s all there is to creating new users with admin privileges on Linux.

Jack Wallen walks you through creating new users and groups on Linux and adding those new users to the new groups.

Sudo stands for "superuser do" and gives a user access to administrator-like powers. Here's how to use this powerful tool.

A vulnerability has been discovered in the Linux sudo command that could allow unprivileged users to execute commands as root. Thankfully, this vulnerability only works in non-standard ...