How to Use GNU bc (Basic Calculator) in Linux
bc (Basic Calculator) is a command line utility that offers everything you expect from a simple scientific or financial calculator.
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15 Tips On How to Use ‘Curl’ Command in Linux
Back in the mid-1990’s when the Internet was still in its infancy, a Swedish programmer named Daniel Stenberg started a
Linux zcat Command Examples for Newbies
Normally, files compressed using gzip can be restored to their original form using gzip -d or gunzip commands. What if
12 Practical Examples of Linux Xargs Command for Beginners
Xargs is a great command that reads streams of data from standard input, then generates and executes command lines; meaning
Discus – Show Colourised Disk Space Usage in Linux
In our last article, we have explained how to use df (disk filesystem) utility to report file system disk space
ngrep – A Network Packet Analyzer for Linux
Ngrep (network grep) is a simple yet powerful network packet analyzer. It is a grep-like tool applied to the network
How to Compile Linux Kernel on CentOS 7
Running a custom compiled Linux Kernel is always useful, specially when you are looking to enable or disable specific Kernel
Swatchdog – Simple Log File Watcher in Real-Time in Linux
Swatchdog (the “Simple WATCH DOG”) is a simple Perl script for monitoring active log files on Unix-like systems such as
Fping – A High Performance Ping Tool for Linux
fping is a small command line tool to send ICMP (Internet Control Message Protocol) echo request to network hosts, similar
How to Fix “passwd: Authentication token manipulation error” in Linux
In Linux, the passwd command is used to set or change user account passwords, while using this command sometimes users
How to Monitor Linux Server Security with Osquery
Osquery is a free open source, powerful and cross-platform SQL-based operating system instrumentation, monitoring, and analytics framework for Linux, FreeBSD,
whowatch – Monitor Linux Users and Processes in Real Time
whowatch is a simple, easy-to-use interactive who-like command line program for monitoring processes and users on a Linux system. It