User accounts can be assigned to one or more groups on Linux. You can configure file permissions and other privileges by ...

The sudo command lets users elevate their privileges to run admin tasks. But it's far from perfect. These tips can help.

OK, it looks like you need to employ some extra privilege. In general, you can’t write to a system log file with your user account. Let’s try that again with sudo. The response to the first of the ...

The sudoers file can provide detailed control over user privileges, but with very little effort, you can still get a lot of benefit from sudo. In this post, we’re going to look at some simple ways to ...

Removing sudo rights from CentOS (top) and Ubuntu (bottom). How to create a new user with admin privileges on Linux Your email has been sent Black Hat: Security Researcher Unpacks Cybercrime’s ...

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 ...

Many Linux commands can do more than you might think. The usermod command is one such command, and it can be very handy.