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.

Read about the most commonly used netstat commands for Linux and see examples of their usage.

If you need a management system that will store and protect your authentication and authorization data, you may want to install Vault. Apart from managing access to passwords, certificates, and APIs, Vault also provides on-demand secrets, encryption, and revocation. Follow this simple guide to install Vault on a CentOS 7 system.

This article shows you how to port forward from your localhost and interact with Kubernetes cluster resources. Use port forwarding to work on and debug your services locally. There is now no need to expose your services beforehand.

A CentOS or Rocky Linux machine can be turned into a hypervisor by installing KVM (short for "Kernel-based Virtual Machine"). This virtualization technology gives users the ability to run multiple virtual machines in isolated environments.

This guide will walk you through installing MySQL on CentOS or Rocky Linux. MySQL is a popular free and open source database management application.

Environment variables play a significant role in setting up the system and shell configuration at the beginning of every shell session. This tutorial explains how to view, set, manage, and remove environment variables in Linux.