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.
Luke Reynolds
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.
How to go to home directory in Linux using cd command
One of the most essential commands in Linux is the change directory command or cd command. This is how you will navigate to different directories throughout your system. Using this command will change your current working directory to a different one you specify.
How to ping port in Linux
It is possible to determine whether or not a specific port is open on a remote system by using tools such as nmap or telnet on a Linux system.
Bash all arguments print
The purpose of this tutorial is to show how to print all of the arguments submitted from the command line in a Bash script on Linux. There are several different methods for doing this, as you will see in the examples below.
Linux ipconfig equivalent
As Windows users migrate over to a Linux system, one of the first questions that arises is “what is the ipconfig Linux equivalent command?”
How to check Ubuntu version
Being aware of your current Ubuntu version will help you know when it is time to update. It’s important to know the version of your Ubuntu Linux system, as LTS versions are released every 2 years, and interim versions every 6 months.
How to change to root user in Ubuntu 22.04
After installing Ubuntu 22.04, you will inevitably be logging into the root account, or using administrator privileges, quite frequently. That’s because installing or removing software, as well as configuring system settings, requires the use of the root account or sudo command.
How to open terminal in Ubuntu 22.04
The following tutorial will provide the reader with multiple methods of accessing the command line terminal window on Ubuntu 22.04 Jammy Jellyfish desktop.