Connecting to a running Docker container is helpful when you want to  see what is happening inside the container. If the Docker container  doesn’t work as expected, you can

When working with Git, you might encounter a situation where you need to edit a commit message. There are number of reasons why you would want to make the change,

Java is one of the most popular programming languages used to build different types of applications and systems. There  are two different implementations of Java, OpenJDK and Oracle Java,  with

When it comes to Git hosting, you have a number of options available.  GitHub, Gitlab and Bitbucket are popular solutions, but running your  own Git server is an alternative worth

exFAT (Extended File Allocation Table) is a proprietary Microsoft  file system optimized for flash memory devices such as SD cards and USB  flash drives. It was designed to replace the

MySQL replication is a process of copying data from one database server (master) to one or more servers (slaves). MySQL  supports several replication topologies with Master/Slave topology  being one

In this guide, we will explain how to redirect the HTTP traffic to HTTPS in Nginx. Nginx  pronounced “engine x” is a free, open-source, high-performance HTTP and  reverse proxy server

Before you can use an SD card or USB drive, it needs to be formatted  and partitioned. Typically most USB drives and SD cards come  preformatted using the FAT file

The tar command allows you to create and extract tar  archives. It supports a vast range of compression programs such as gzip,  bzip2, lzip, lzma, lzop, xz and compress. Bzip2

paste is a command that allows you to merge lines of  files horizontally. It outputs lines consisting of the sequentially  corresponding lines of each file specified as an argument, separated

pushd and popd are commands that allow you  to work with directory stack and change the current working directory in  Linux and other Unix-like operating systems. Although pushd and popd

Go is a modern open-source programming language created by Google,  used to build reliable, simple, fast, and efficient software. Many  popular applications, such as Kubernetes, Docker, Terraform, and  Rancher, are

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 game  server. In this

The su (short for substitute or switch user) utility  allows you to run commands with the privileges of another user, by  default the root user. Using su is the simplest

In Linux, access to the files is managed through the file  permissions, attributes, and ownership. This ensures that only  authorized users and processes can access files and directories. This tutorial

Webmin is an open-source web  control panel for administering Linux servers. It allows you to manage  the system users, groups, disk quotas as well as install and configure  web, ssh,

Gunzip is a command-line tool for decompressing Gzip files. Gzip  is one of the most popular compression algorithms that reduce the size  of a file and keep the original file

In some situations, you might want to truncate (empty) an existing  file to a zero-length. In simple words, truncating a file means removing  the file contents without deleting the file.

By default, the MySQL server listens for connections only from  localhost, which means it can be accessed only by applications running  on the same host. However, in some situations, it

Curl is a command-line utility for transferring data from or to a  remote server. It allows you to download or upload data using HTTP,  HTTPS, SCP, SFTP, and FTP protocols.