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2233 articles
iotop Command in Linux: Syntax, Options, Cheat Sheet & Practical Examples
Learn how to use the iotop command in Linux with syntax, options, cheat sheet, and practical examples. This guide explains how to monitor disk I/O usage by …
Java Variables Examples [Different Variable Types]
The most popular types of Java variables are Instance, Local and Static variables. We learned about the declaration, initialization, and syntax of variables.
Java Multiline Comments [Methods & Examples]
In this tutorial, we learned about Java multiline comments, single line and inline comments. We covered different types of comments that we supported by java …
Install Java on Linux, Windows and MAC
Step by Step instructions to install JAVA on Linux, WIndows and MAC OS with and without GUI. Set proper PATH or HOME variables to use JAVA
Shell script to generate certificate OpenSSL [No Prompts]
Step by Step instructions to use shell script to generate certificates with openssl. generate both self signed and rootCA signed certificates using bash or …
Renew self-signed certificate OpenSSL
Step by Step instructions to renew self-signed certificate using OpenSSL command. Export CSR using expired certificate and using existing private key we can …
Renew SSL/TLS certificate OpenSSL
Step by Step instructions to renew SSL or TLS certificate (server/client) using OpenSSL command. Retain all SAN fields with X.509 extensions during renewal of …
Install LEMP Stack on Rocky Linux 8
Step by Step instructions to install LEMP stands on Rocky Linux 8. LEMP stands for Linux, Nginx (Pronounced as Engine-X), MySQL/MariaDB, and PHP. This is a …
cat Command in Linux: Syntax, Examples & Cheat Sheet (Beginner Friendly)
Learn the cat command in Linux with simple, practical examples. This beginner- friendly cheat sheet covers syntax, file creation, appending, line numbers, …
Different ways to call a function in Python
We can access the features and functionality of a function by just calling it. In this tutorial, we will learn about how the python call function works
SQL COUNT, AVG, SUM Functions | Aggregate Functions in SQL
SQL COUNT, AVERAGE and SUM are most commonly used aggregate functions of SQL.
Git Diff Explained with Examples (Command, Usage, Syntax, Scenarios)
Learn Git diff command with practical examples. This guide explains how git diff works, syntax, options, and real-world scenarios to compare files, commits, …
Create Kali Linux bootable USB [3 Different Methods]
Different methods to create kali linux bootable USB such as Rufus, Balena Etcher, dd command in Linux
Install LAMP Stack on Rocky Linux 8
Step by Step instructions to install LAMP Stack on Rocky Linux 8. Install and configure Linux, Apache, MariaDB and PHP
Python strip() function Explained [Easy Examples]
The python strip method is used to remove characters from the beginning and ending of the string. Python also supports only removing string characters from the …