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Imagine ever wanted to avoid the hassle of typing in the password while connecting to servers using ssh? Here is a really simply neat trick that will demonstrate how easy it is to accomplish it so it does not ask for password. And as a bonus, you will notice that the connection is surprisingly much [...]

This tutorial will walk you through exporting a directory so that we can read from or write to it. I will make it really simple so that in emergency situations, you are good to go within a few minutes

Ever found yourself in need of knowing all or some specific incoming and outgoing network connections? There is this little utility that will just happily log inbound or outbound network conections based on rules you set up

There is this cool little that helps us create map of local area network. As a bonus, we get the mac and the IP addresses of all the devices in the network. It passively listens for all network traffic and creates a image file for the network map.

Recently I had to find mac addresses of all servers in the local area network (LAN) for preseeding Debian installations using PXE (I will soon write about it). Finding them is easy with nmap

Often times, we want to send log files or other emails from command line or want to script them. In this tutorial, I will show you how to do that using two mail clients mail and mutt.

Often times, we are faced with issues pertaining to DNS name resolutions. In this series of articles, I will explore different tools available in Linux that can help in DNS name resolutions. First we will look at the utility called host

Ping which stands for Packet INetrnet Gropper, is a great utility when it comes to troubleshooting network issues. It is part of iputils package. It sends ICMP “echo request” packets to the target system and listen for “echo response” replies. Ping records the round-trip time and records any packet loss. It prints a summary at [...]