networking
Install and configure DRDB for network filesystem replication on Debian 8
Let’s talk about Network Filesystem Replication. Network filesystem replication is often used today in many scenarios: Replication of a filesystem for security reasons: if one…
How to configure failover and high availability network bonding on Linux
This tutorial explains how to configure network bonding on Linux server. Before I start, let me explain what network bonding is and what it does….
How to Install Nagios Server Monitoring on Ubuntu 16.04
Nagios is an open source software for system and network monitoring. Nagios can monitor the activity of a host and its services, and provides a…
Thoughts on Monitoring file changes with Linux over the network
Monitoring a directory for changes with Linux is possible through the well-known mechanism inotify. With inotify it’s possible to set a watch on a directory,…
How to install a wireless hotspot with captive page on Linux using CoovaChilli
The purpose of this article is to demonstrate how you can turn a Linux based computer or laptop into a wireless hotspot where users can…
How to use the NMAP Security Scanner on Linux
Nmap is a free and open source network discovery and security auditing utility that is widely used in the Linux users community as it is…
Build your own NAS with OpenMediaVault
OpenMediaVault is a Debian based special purpose Linux Distribution to build a Network Attached Storage (NAS) System. It provides an easy to use web-based interface, Multilanguage…
How to Install Nagios 4.0.8 on Ubuntu 15.04 (Vivid Vervet)
Nagios is an open source software for system and network monitoring. Nagios can see the activity of a host and its services, and provides a…
Installing Network Simulator 2 (NS2) on Ubuntu 14.04
1 Introduction Network simulators are tools used to simulate discrete events in a network and which helps to predict the behaviours of a computer network….
How to whitelist an IP in Fail2ban on Debian Wheezy
Fail2Ban is used to protect servers against brute force attacks. Fail2ban uses iptables to block attackers, so, if we want to add permanent IP address…
