Linux, Ubuntu, Debian, Mint, CentOS Tutorials
SSH protocol provides secure communication with remote systems in an easy way. When using the SSH protocol and tools to connect to the remote system there are different security checks. These checks may prevent or rejects the SSH connections. The ssh_exchange_identification connection closed by remote host error occurred when the remote system or SSH server … Read more
Linux, Unix, and MacOS operating systems provide the bash shell in order to provide a command-line environment and shell. The bash shell has different configurations which can be configured using the .bashrc and .bash_profile files. The .bash and .bash_profile files can be used to set different bash configurations like $PATH, history, alias, command prompt, etc. … Read more
Python is popular programming and scripting language which is used in different cases and applications. Python is cross-platform and can be used in different platforms, and operating systems. Python3 is the latest version and can be installed on Ubuntu easily. In this tutorial, we examine different methods to install Python3 on all Ubuntu distributions. Check … Read more
Linux Bash Shell provides the For Loop in order to iterate over the given array, list, string, etc. For loops are very useful for iterative operations and heavily used in Linux bash shells. In this tutorial, we examine different ways and examples to use for loops in the Bash shell. for Loop Syntax The bash … Read more
The echo command is used to display lines of text in Linux and Unix operating systems. It is generally used to print some text to the standard output which the current terminal. The echo command is very simple but provides different formatting options inside text. The echo command can be also used to print bash … Read more
All Linux distributions provide the cp command as a copy command for the files and directories. The cp name comes from the copy . The copy command can be used to copy files and folders easily. Files and folders can be copied using different options of copy command like recursive, verbose, preserving attributes, etc. In … Read more
Docker is used to creating containers and run them isolated from the host. Docker containers are very similar to virtual machines where they provide similar services to VMs like SSH, HTTP, Telnet, etc. In this tutorial, we examine how to SSH into a running Docker Container in different ways like using the docker exec , … Read more
The hostname is used to identify a computer or system in a network. The hostname is a user-generated value generally set as easy to remember the name. Operating systems generally set this name automatically during setup but also provide the ability to change it during Ubuntu installation. The hostname can be also changed after the … Read more
Docker is supported by most Linux distributions. The installation of Docker on Linux distributions may be different according to the distributions versions. Install Docker For Ubuntu, Debian, Mint, Kali Ubuntu, Debian, Mint, and Kali all of them use very similar packages and repositories with the deb packet management system. The docker can be installed for … Read more
Linux provides different tools or command in order to search and find directories. The find command is the most popular and useful command to find directories in Linux. The find command can be used to search and find directories according to the path, name, name pattern, and related parameters. In this tutorial, we examine how … Read more