Ubuntu's use of sudo to simplify Linux administration is ingenious, but barely scratches the surface of what sudo can do. Follow along as Yvo Van Doorn of Likewise Software unlocks the powers of sudo.

Today, I did a fresh installation of Ubuntu 9.04 inside virtual box. My original idea was to play with sudoers and sudo command. I edited /etc/sudoers and logged out. Next time I tried to sudo , I go some parse error in /etc/sudoers. I was stuck . I needed sudo for modifying the file. But sudo was preventing me because of the error.

Is sudo really needed everywhere ? Of course not ! This article tries to explain why sudo is worse than su for most desktop *nix users out there.

The furor around the sudo rm -rf clowns has subsided (but will no doubt resurface in the future), but just for the record, what will that command do?

I have written about biometrics a few days ago and how it's a bad idea to use biometric technologies for security. Today we'll be talking about a different rather popular security technology called "sudo."

How many times did you type a command and forgot to type sudo first ? What do you want to say when that happens ? No, not that…you might want to say : sudo !!

Many organizations have attempted to use open source sudo as their privileged identity management solution. While sudo might be a viable solution for small scale organizations, CSOs managing large IT environments are consistently discovering that sudo creates security, compliance and productivity challenges to large enterprises seeking to protect critical assets.

You’ve probably seen one of these commands. Debian and Ubuntu users have seen more of sudo, while SUSE and Fedora have used su more often. What exactly is the difference?

If you are using GNOME and a distribution that supports either sudo or su, then we have a quick tip for you.