It happens many time that we try to access an app or content, but it ask for re-login or a popup which states your session is timed out. The session generally times out when content is kept idle and no [...]
gotop - A Tool to Monitor System Activity in Linux
Every Linux administrator has it's own preferences on how to monitor processes in terminal. And you probably know about tools like top and htop. These are tools for process monitoring in terminal without any visualization. And you probably know about [...]
Tuptime - Tool to Display Uptime History of Linux System
The primary task of the system administrators is monitoring and examine Linux system and how long its been promenade. This article demonstrates use of Tuptime tool that help's System Administrators to analyse how long Linux machine is up and running. [...]
How to Create Bootable Ubuntu USB flash Drive from Terminal
In this article, we are going to show how to create a bootable USB flash drive from the terminal. We are going to use Ubuntu 18.04 ISO file for creating a bootable USB flash drive. You can download mentioned .ISO [...]
14 tcpdump Commands to Capture Network Traffic in Linux
tcpdump is a network troubleshooting command which is also known as a packet sniffer is used to capture and display packets from a network. tcpdump allows users to capture and display TCP/IP and other packets being transmitted or received over the network to [...]
16 Tar Commands to Compress and Extract Files in Linux
Tar is a command line tool used to create and manipulate archive files in Linux and Unix systems. Tar can extract from tar, pax, cpio, zip, jar, ar, and ISO 9660 cdrom images and can create respective archives. Below is [...]
How to Synchronize Time using NTP Server in Ubuntu
NTP (Network Time Protocol) is a protocol that synchronizes your system’s time with online NTP servers to an accuracy of just a few milliseconds. NTP listens on UDP port 123. In this article, we are going to see how you [...]
How to use Docker without sudo on Ubuntu
This article I will show you how to enter docker command without using sudo command on Ubuntu Linux machine. If you use Docker for testing and development on your local machine, you probably experienced of those messages. $ docker run [...]
How to Install and Update Firefox in Linux
Firefox is the most popular web browser among Linux users. In this article we are going to cover topics like Firefox installation, uninstall and update. We will also discuss what kind of problems we can get during mentioned processes. Depending [...]
How to Limit Process at User Level on Linux
Ulimit, as the name signifies, is the user resource limits defined by users for their respective processes. It provides control over the resources available to the shell and to processes started by it, on systems that allow such control. That [...]
How to Install and Use Netdata Monitoring Tool on Linux
Netdata is a distributed, near real-time, scalable & performance and health monitoring solution for Linux, FreeBSD and MacOS. Yes! It is open-source too. It has been developed in such a way that it can be installed on each Linux system, without interrupting or dead-locking the currently running [...]
How to Upgrade Individual Packages in Ubuntu/CentOS
In this article, we'll dive deep and see how we can upgrade specific packages in Ubuntu/CentOS distributions. Once in a while, you may be required to upgrade certain packages and leave others in their default versions. One reason for this [...]
How to Create and Remove alias in Linux
Aliases are very useful when it comes to fast working in Linux. We can use alias to run a long or hard remember command with a simple word. There are two types of aliases – temporary and permanent. In this [...]
Dutree – Command Line Disk Usage Analysis Tool on Linux
DUtree is a combination of Durep and Tree. Durep creates disk usage reports with graphs which allows us to identify which directories are using the most space. Although durep can produce text output similar to du, its real power is the [...]