Tag: linux

Sysadmin’s Guide to Network Management, Troubleshooting and Debugging in Linux

A system administrator’s routine tasks include configuring, maintaining, troubleshooting, and managing servers and networks within data centers. There are numerous tools and utilities in Linux designed for the administrative purposes. In this article, we will review some of the most used command-line tools and utilities for network management in Linux, under different categories. We will

Configure Multi-Factor Authentication on Ubuntu 18

Introduction Two-factor authentication (2FA) is an authentication method that requires entering more than one piece of information to successfully log in to an account or device. In addition to entering a username and password combination, 2FA requires the user to enter an additional piece of information such as a one-time password (OTP), like a six-digit