If you’re a new Linux admin, you probably at least know about sudo. Sudo stands for “super user do” and allows standard users to take admin-level actions, such as installing software. Even though most ...

Essential Linux troubleshooting commands every user should know.

To get started as a Linux (or Unix) user, you need to have a good perspective on how Linux works and a handle on some of the most basic commands. This first post in a “getting started” series examines ...

Last week’s column looked at sulog — the file that collects information on switch user activity on many Unix systems — and presented a simple Perl script for summarizing su activity. In this week’s ...

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 ...