The purpose of this tutorial is to cover the subject of booting and installing Linux using the network, be it local or not.
Luke Reynolds
Change Docker root directory /var/lib/docker to another location
By default, Docker stores most of its data inside the /var/lib/docker directory on Linux systems. There may come a time when you want to move this storage space to a new location. For example, the most obvious reason might be that you’re running out of disk space.
Linux kernel configuration
While we talked before about kernel compilation and configuration, we focused on the general idea. This time we want to dig deeper into the configuration part, giving you useful advice you will need when tailoring a kernel to perfectly match your hardware.
Linux crontab tutorial with Examples
If you already have some experience as a Linux system administrator, chances are you know what cron is and what it does. If you’re just starting working with Linux, it’s essential knowledge that will certainly serve you later. Either way, if you already have the knowledge, this article will refresh it. If not, you will get a guide to start you up. So you’re only expected to have some basic knowledge of Linux systems and, as usual, a desire to learn.
Linux hardware monitoring tools
Whether you’re a home user or a system/network administrator at a large site, monitoring your Linux system helps you in many ways – possibly more than you currently know.
How to determine OS of the remote host
When performing digital reconnaissance or penetrating testing, it’s important to fingerprint a network by understanding what operating system is used on a remote a host.
Running GNU R on Linux Operating System
GNU R can be run on the Linux operating system in a number of ways. In this article we will describe running R from the command line, in an application window, in a batch mode and from a bash script.
Configure simple web server in Linux
The purpose of this tutorial is to host a simple web server using only Python on a Linux system. This produces a very lightweight web server and works well to host a microservice, a browser-based file manager, or to test a website without deploying a full web server such as Apache or NGINX.
Check running process in linux for a user
Everything that is running on a Linux system – a service, script, or anything else – is considered a “process.” One of the core activities of a system administrator is that of monitoring and interacting with the processes running on a machine.
Sendmail: “unqualified hostname unknown; sleeping for retry unqualified hostname
If you have configured Sendmail on your Linux system and are still unable to send emails because of a unqualified hostname error, we have a few suggestions that you can use to try and remedy the issue.
Calculate column average using bash shell
The purpose of this tutorial is to show how the Bash shell can calcuate the average value of a single column of a text file on a Linux system.