Troubleshooting a network is fun, challenging, and interesting, especially for sysadmins. Linux comes with various tools under its belt to help you along the way, including Nmap, ping, traceroute, netstat, ns lookup, and dig. For the purpose of this article, I will stick to Nmap and will explain the steps for how to troubleshoot a network.
This guide provides a list of useful tools for Linux system admins. These tools may not be useful all the time, but some of them might help. Sysadmin-util is a collection of useful tools for Linux system admins and anyone who wants to improve their Linux command line skill-sets in general.
It is a good idea to keep your confidential data in an encrypted location to prevent unauthorized access. It becomes more important when you share your computer with others. Encryption encrypts the information so that it is unreadable to anyone. VeraCrypt is an open-source tool for encrypting files, folders and entire partitions, available not only for Linux, but also for Windows and Mac OS. In this article, I will describe how you can encrypt a partition under Linux with VeraCrypt.