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Sometimes when debugging an issue or updating the kernel you may need to reboot your Linux system. If you have a headless server you need to know how to restart the system from the command line.

Apache HTTP server is the most popular web server in the world. It is a free, open-source and cross-platform HTTP server providing powerful features which can be extended by a wide variety of modules.

In this tutorial, we will walk you through the basics of the Bash if statements and show you how to use them in your shell scripts.

In this article, we’ll discuss Bash arrays, and how to use them in your Bash scripts with the help of examples.

Raspberry Pi can be used in many different projects. One of the Raspberry Pi’s most popular use case is to turn Raspberry Pi into a home media center. Plex is a popular streaming media server that lets you organize your video, music, and photo collections and stream them to all of your devices at any time and from anywhere.

In this tutorial, we will explain how to create a bootable CentOS USB stick from the Linux terminal.

When writing Python scripts, you may want to perform a certain action only if a file or directory exists or not. For example, you may want to read or write data to a configuration file or to create the file only if it already doesn't exist.

VLC is a popular open source multimedia player and streaming media server.

In this tutorial, we will explain what Dockerfile is, how to create one and how to build a Docker image with Dockerfile.

Skype is one of the most popular communication applications in the world that allows you to make free online audio and video calls, and affordable international calling to mobiles and landlines worldwide.

Memcached is a free and open-source high-performance in-memory key-value data store. It is mainly used as a caching system to speed up applications by caching various objects from the results of database calls. In this tutorial, we will explain how to install and configure Memcached on CentOS 7.

On Linux and Unix-like operating systems, the wc command allows you to count the number of lines, words, and bytes of each specified file or standard input and print the result.

When writing Bash scripts, you will sometimes find yourself in situations where you need to read a file line by line. For example, you may have a text file containing data that should be processed by the script.

Secure Shell (SSH) is a cryptographic network protocol used for a secure connection between a client and a server. In the recent versions of Raspbian, the SSH access is disabled by default but it can be easily enabled.

Sleep is a command line utility that allows you to suspends the calling process for a specified time. In other words, the sleep command pauses the execution on the next command for a given number of seconds.

SSHFS (SSH Filesystem) is a filesystem client based on FUSE for mounting remote directories over an SSH connection. SSHFS is using the SFTP protocol, which is a subsystem of SSH and it is enabled by default on most SSH servers.

The Raspberry Pi is the most popular single-board computer of all times. It can be used for various purposes such as desktop PC, home media center, smart WiFi router, automation system, and game server. The use cases are endless.

In this tutorial, we’ll show you various ways to quickly create a new file in Linux using the command line.

Here document (Heredoc) is a type of redirection that allows you to pass multiple lines of input to a command.

TensorFlow is a free and open source platform for building machine learning models developed by Google. It is used by a number of organizations including Twitter, PayPal, Intel, Lenovo, and Airbus.