Exploiting a newly discovered sudo flaw in Linux can enable certain users with to run commands as root despite restrictions against it. A newly discovered and serious flaw in the sudo command can, if ...

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 ...

If you have users that need certain admin privileges on your Linux machines, here’s a walk-through of the process for granting full or specific rights. How many times have you created a new user on a ...

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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, ...

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 ...

Linux might sound scary for first-time Linux users, but actually, it isn’t. Linux is a bunch of open-source Unix operating systems based on Linux Kernel. These operating systems are called Linux ...

The sudo command stands for “superuser do” and is one of the most important commands to know in Unix and Linux-based operating systems. (See the most important Linux commands for beginners.) Sudo ...