Having the correct date and time in your Linux box is very important. When you use emails, the default time used by the application is the system calendar's date and time. Unless otherwise, you have specified a different timescale. If you work [...]
How to Use 'fsck' to Check and Repair File System Errors in Linux
Any Linux user must have experienced file corruptions and booting failures at least once in their life. Being an I.T professional for many years, I have encountered this problem many times. Linux comes with a handy command called 'fsck' to save you. [...]
What is SYN Flood Attack? Detection & Prevention in Linux
A SYN flood attack is a form of denial-of-service attack in which an attacker sends a large number of SYN requests to a target system’s services that use TCP protocol. This consumes the server resources to make the system unresponsive to [...]
Mytop Tool - Monitor Performance Of MySql Linux Server
Mytop is a very useful program to see what all queries a server is currently processing as well as which user is executing them. Think of mytop as top for mysql. If you see a lot from one particular user, that means [...]
All Stages of Linux Booting Process Explained
This article describes the Linux booting process in detail, such as the steps involved, which scripts are run, which configuration files are read and their order, since the time of turning on the system till getting the login prompt. Although this article [...]
Remove Tomcat from Linux | Uninstall Tomcat Ubuntu
Apache Tomcat or simply Tomcat (formerly it was also known as Jakarta Tomcat) is an open source web server and servlet container developed by the Apache Software Foundation (ASF). Tomcat can be installed on CentOS/Redhat machine either using yum or from [...]
How To Start / Stop Daemons In Linux
What is a Daemon? A 'daemon' (or you may call it a service) is a program designed to run in the background without the user's control. Daemons are a type of process recognized by a system whose parent process is init with PID [...]
38 Basic Linux Commands to Learn with Examples
This article I will show you 38 basic Linux commands with examples that are frequently used to get you more familiar with Linux command line. Linux based Operating Systems are very powerful but their true power lies in the command [...]
How To Delete/Clear Linux Comand Line History with Examples
You may want to clear the history file and the screen for security reasons. Some Linux distributions may clear the screen when you logout but others do not. Many programs read input as a single line at a time. The [...]
How to Add Configure YUM Repositories and Add More Repositories in Linux
This article will show you how to set up repositories in YUM (Yellodog Updater Modified), the default package manager for Red Hat based Linux distributions. We will also discuss what the repositories are and why we need to set them [...]
Learn Methods to Bind Multiple IP to One Interface in Linux with Examples
Sometimes, you may require to host multiple websites on it. Hosting multiple sites on a single server is achieved through virtual hosting. For virtual hosting, multiple instances of the web server are run. The web service needs a specific port (80) to [...]
Learn How to List/Install/Configure Linux Kernel Module
Linux is a monolithic kernel. A monolithic kernel is a kernel architecture in which all the services of process management, filesystem management, I/O and device management run in the kernel space, i.e. the kernel is responsible for handling these services. [...]
Enhanced Free Ping Utility In Linux - Sing Tool
Ping is a great utility to check the network connections and troubleshoot the network related problems. It uses ICMP (Internet Connection Message Protocol) packets to check if a system is up and running. But you cannot do much with ping [...]
How to Create Symbolic Link for Files and Folders in Linux
Symbolic link or soft link is a special type of file that contains a reference, which points to another file or directory. It is supported on almost all Linux distributions. Although it points to their target, they operate independently of [...]