How to use dir command in linux
The dir command is often considered to be the Windows equivalent but it works in Linux in pretty much the same way. In this guide, I will show you how to use the dir command in Linux and introduce you...
Category: Commands
Linux dig command (Domain Information Groper) examples for DNS Lookup
Dig (Domain Information Groper) is a networking tool that can query DNS servers for information. It can be very helpful for diagnosing problems with domain pointing and is a good way to verify that your configuration is working. dig command...
The Linux top command understanding
The top program provides a dynamic real-time view of a running system. It can display system summary information as well as a list of processes or threads currently being managed by the Linux kernel. The types of system summary information...
How to use tar command
Tar (tape archive ) is the most widely used command in Unix like operating system for creating archive of multiple files and folders into a single archive file and that archive file can be further compressed using gzip and bzip2...
SSH Passwordless Login Using SSH Keygen
SSH (Secure SHELL) is an open source and most trusted network protocol that is used to login into remote servers for execution of commands and programs. It is also used to transfer files from one computer to another computer over...
How to use Linux IP Command
The Linux IP command is similar to ifconfig, but more powerful and is intended to be a replacement for it. You can perform several network administration tasks using the IP command. Also, ifconfig is one of the deprecated commands that...
Install iptraf – tcp/udp network monitoring utility on Ubuntu/Arch/CentOS Linux
iptraf is console-based network statistics utility for Linux. iptraf recognize various protocols, including IP, TCP, UDP, ICMP, IGMP, IGP, IGRP, OSPF, ARP and RARP. In this how-to we are going to show you how to install iptraf, network monitoring utility,...
How to use free command on Linux
The free command provides information about unused and used memory and swap space on any computer running Linux or another Unix-like operating system. In this article we will show you useful examples of free commands. The basic syntax of free...
ps_mem – Show how much RAM is used per program
ps_mem is a tool that can be used to show how much memory is used per program. It does this by calculating the sum of private RAM for program processes and the sum of shared RAM for program processes. How...
lsblk command – list block device information
lsblk command is used to list information about all available block devices, however, it does not list information about RAM disks. Examples of block devices are hard disk, flash drives, CD-ROM… Install lsblk Ubuntu and Linux Mint installation The command lsblk...