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

Complete Zabbix Tutorial

This is a complete zabbix tutorial, it’s was made when zabbix 2.2 was out, but basicly all settings and functions and also their locations are the same. So if you are interested in learning how to install and use ZABBIX this is the best place to start.  

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

Manage Packages with APT on Ubuntu 18.04 LTS

APT also known as Advanced Packaging Tool is the command-line tool for managing packages in Debian-based distributions like Ubuntu 16.04, Ubuntu 18.04, Debian 8, Debian 9 and much more. APT simplifies the process of installing, removing, upgrading packages and even used to upgrade the entire operating system through the Command Line Interface In this tutorial, we