Finding the size of large file and directories in Linux servers is one of the most important tasks that every system administrator came across in his daily tasks. So, every system administrator must know about multiple ways to find out [...]
Tiny Care Terminal - Dashbaord Tool to show Tweets, Git Commits and Weather
If you use terminal a lot and lost deep inside the code or blinking cursor then Tiny-Care-Terminal is a small dashboard that reminds you to take a break and take care of yourself. The dashboard displays your git commits for [...]
10 Lesser Known Linux Fun on Terminal with Crazy Outputs
The Linux terminal is a powerful tool for some administration tasks. It helps for troubleshooting too and ensure you a solution for a problem. As serious, it can be with some special commands, the terminal is also used for really surprising operations which [...]
How to Install EmojiOne Color SVGinOT Font in Ubuntu
SVG in Open Type(SVGinOT) is a standard by Adobe and Mozilla for color OpenType and Open Font Format fonts. It allows font creators to embed complete SVG files within a font enabling full color and even animations. EmojiOne Color Font [...]
How to Configure IPsec VPN Using Libreswan
The purpose of IPsec based VPN is to encrypt traffic at the network layer of the OSI model so the attacker cannot eavesdrop between client and the VPN server. In our previous articles on strongswan which is also provides the [...]
Ubuntu 17.04 Zesty Zapus - Features, Upgrade and 20 Things to Do
Today, April 13, 2017 a new final version of Ubuntu 17.04 released by Canonical Ltd named as Zesty Zapus. Ubuntu releases continue with well know naming scheme of adjective and an animal starting with the same alphabet letter. We are [...]
How to Install Multiple Elasticssearch Nodes on Single Server
Elasticsearch is an open-source, broadly-distributable, readily-scalable, enterprise-grade search engine which is accessible through an extensive and elaborate API. It can power extremely fast searches that support your data discovery applications and can be used for a lot of different use [...]
15 Advanced Linux Interview Questions and Answers
Linux system administrator are users with special privileges and duties who must maintain system stable. Very useful resources are the manual pages, which should always be consulted when you are not familiar with a command. If you do not know [...]
Lumail - An Email Client for Your Linux System
Using Email is our daily routine task and the most important method out there of sharing information with each other. The way we access emails has changed from the tradition and now there are a lot of Email clients available [...]
TLDR ( Too Long; Didn’t Read ) - A Simplified Linux Man Pages
Linux command line users must be familiar with "man" command. It stands for manual pages, which means that every Linux command or utility comes with the set of instructions or possible usage of the command. Man pages are of great [...]
How to Use GPG Commands to Create Public key for Secure Communication
Let us first try to understand what is encryption. Encryption is a process of embedding plain text data in such a way that it cannot be decoded by outsiders. It is necessary to encrypt data to prevent misuse. The GNU [...]
Keeper - A Better Secure Way to Store Password from Command Line
Keeper password manager is a tool that stores password credentials in an encrypted digital vault. You need one master password to gain access to the vault and then create a new entry for password, edit/view previous passwords. You can also [...]
recterm - A Nice Way to Record Videos with Audio on Linux Terminal
We generally record the terminal with a video recorder but the output video is generally blurry and not high quality. ASCIINEMA is a lightweight tool that record and share terminal session with high quality video. The drawbacks of asciinema is [...]
How to Customize Shell Variable PS1-PS4 on Bash Prompt
You can see the real beauty of Linux when you use shell commands. There are some tasks which you cannot do in GUI and you have to use the shell. So having knowledge in shell commands, it will keep you [...]