Sudo is a powerful but imperfect Linux tool. These tips can help make using sudo easier and safer. Always use caution when monkeying with sudo. I started using Linux prior to the advent of sudo. Back ...

Microsoft continues to embrace Linux and make Windows a home for developers. Microsoft continues to embrace Linux and make Windows a home for developers. is a senior correspondent and author of ...

If you want your Linux server to be really secure, you defend it with SELinux. Many sysadmins don't bother because SELinux can be difficult to set up. But, if you really want to nail down your server, ...

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

Sudo, the main command in Linux that allows users to run tasks, has been found to have a vulnerability that allows unauthorized users to execute commands as a root user. The vulnerability, known as ...

Knowing which sudo or su command to run is important. Jack Wallen demystifies these two Linux admin tools. If you’re a new Linux admin, you probably at least know about sudo. Sudo stands for “super ...

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. Most users on your Linux machines might ...