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A vulnerability in sudo can elevate unprivileged users to root privileges.
Most Linux users know vim as a text editor that descended from vi. It can also function as a tool for encrypting text files. In this post, we examine how this is done and how to reverse the process.
Linux systems provide a lot of useful commands for reviewing network configuration and connections. Here's a look at a few, including ifquery, ifup, ifdown and ifconfig.
In this Linux tip, learn how to use expect. It's a tool that allows you to automate interactions with other scripts so that you can run them with a set of predefined answers.
The lslogins command can help you look into details of user accounts and login activity
In this Linux tip, learn how to use the ip neigh command. It works a lot like the arp command, but is considerably newer and still in active development. It provides network details – IP and MAC addresses -- along with an indication of each system'...
In Linux, the arp and ip neigh commands provide easy ways to check your local network.
Linux has a wealth a powerful tools to make working with it easier and more productive, and here are some tips for taking advantage of them.
