Results for: grep

This article lists the most useful grep commands in Linux. It provides clear-cut examples and explains how to use grep options.

The egrep command searches for patterns or regular expressions in files and directories. Read this tutorial to master the egrep command.

The core of the grep command (Global Regular Expressions Print) is regular expressions. Master grep regex through the hands-on examples in this guide.

This tutorial lists multiple examples on how you can use the grep tool to search for multiple string patterns in a file. THe guide shows you how to utilize this tool most effectively to print the results you need.

To access and add content to a MySQL database, you must first establish a connection between the database and a PHP script. In this guide learn how to use PHP to connect to MySQL.

The Linux kernel is much like the central brain of the operating system. Although it is open-source – meaning anyone can view and modify the code – the Linux kernel is built with multiple protocols to ensure stability and security. This guide will walk you through how to check the Linux kernel version of your operating system.

This tutorial shows how to install Nmap on a Linux-based system and use it to retrieve valuable information from remote systems.

Learn the most commonly used commands to check memory usage in Linux. The guide also provides detailed explanations on how to interpret the results.

This guide explains how to fix the "Your PHP installation appears to be missing the MySQL extension" using several different methods.

Ddpkg is a tool used to install packages in Debian-based distributions. The error message “Sub-process /usr/bin/dpkg returned an error code (1)” indicates a problem with the package installer. This guide shows different methods for resolving the issue.