By default, every command that you execute on your terminal is put away by the shell (command interpreter) in a specific file called a set of history file or shell order history. In Bash (the most well known shell on Linux systems), by default, the number of commands endured in the set of history is …
Every Linux admin should know What is iLO/iDRAC IP in a server? and How do I find server iLO/iDRAC IP? In this article, we are going to learn how to find Server iLO/iDRAC IP with the command-line. Introduction What is iLO in a server? Integrated Lights-Out (iLO) is a proprietary embedded server management technology from Hewlett-Packard …
Every Linux admin should know what all action/checklist needs to be performed before/after the Linux OS Patching and server reboot. In this article, we are going to learn Linux OS patching commands Checklist for Pre and Post server Reboot. Introduction Linux Host Patching is a feature in Enterprise Manager Grid Control that helps in keeping …
Wget is a command-line utility created by the GNU Project for downloading files from the web. The name is a combination of World Wide Web and the word get. With the help of Wget you can download files using HTTP, HTTPS, FTP and SFTP protocols. Wget is created in portable C and usable on any …
In this lesson we’re going to discuss time maintenance on Linux. Introduction Now when you initially setup a Linux system you’re prompted to configure your system time along with your time zone. When you do this you’re probably not overly concerned about these settings because they don’t really seem all that critical to the functioning …
This lesson we’re going to talk about How you can manage CUPS printers from the command line. Introduction Now as you know you can use the CUPS web-based administration utility to manage the CUPS service running on a Linux system. However, you can also use a variety of different command-line tools to manage CUPS as …
This lesson we’re going to talk about how you prioritize processes they’re running on a Linux system. In my previous article, I had explained following concepts and I would request you to read that guides: How Linux handles Processes How to Kill a Process (Terminate a running process) in Linux Introduction Now remember Linux is …
Let’s spend a few minutes discussing How you go about killing a running process on a Linux system from the shell prompt. Introduction Now normally you don’t do this instead you would use the appropriate exit function that’s coded into nearly all applications to end its process. For example, if I were in the vi …
In this lesson we’re going to look at How you can use the cron daemon to schedule jobs to run in the future on a schedule that you specify. Understanding crontab Now as you know, the at daemon can also do the something, you can use it to schedule a job to run at a …
Introduction A key skill that you need to have as a Linux System Administrator is knowing how to view information about the currently installed Hardware in your system. And in this lesson, we’re going to look at various tools that you can use to do this. 1. Exploring /proc File System Now believe it or …