Tags: sudo

Selectively Deploying your Superpowers on Linux

The sudo command is very handy when you need to run occasional commands with superuser power, but you can sometimes run into problems when it doesn’t do everything you expect it should. Say you want to add an important message at the end of some log file and you try something like this: $ echo "...
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5 Tricks for Using the sudo Command

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 get a lot of value out of the sudo command in Linux. Trick 1: Nearly effortless sudo usage The...
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Patches Available for Linux sudo Vulnerability

Red Hat, Debian and other Linux distributions yesterday pushed out patches for a high-severity vulnerability in sudo that could be abused by a local attacker to gain root privileges. Sudo is a program for Linux and UNIX systems that allows standard users to run specific commands as a superuser,...
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Understanding the Difference Between sudo and su

In one of our earlier articles, we discussed the 'sudo' command in detail. Towards the ends of that tutorial, there was a mention of another similar command 'su' in a small note.  In this article, we will discuss in detail the 'su' command as well as how it differs from the 'sudo' command. The main...
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How to Create a New sudo User on Ubuntu Linux Server

In Linux (and Unix in general), there is a SuperUser named root. The root user can do anything and everything, and thus doing daily work as the root can be very dangerous. You could type a command incorrectly and destroy the server.   By default, the root account password is locked in Ubuntu. This...
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