The cmus command is a utility in Linux that is used to control the music player cmus (C* Music Player). cmus is a console-based music player that is designed to be lightweight and easy to use. It supports a wide range of audio file formats, including MP3, OGG, FLAC, and WAV, and can be controlled […]
Archives for December 2022
cloud-init Command Examples in Linux
The cloud-init command is a utility in Linux that is used to initialize and configure cloud instances. Cloud instances are virtual machine instances that are created and run on a cloud platform, such as Amazon Web Services (AWS) or Microsoft Azure. To display the status of cloud-init, use the status subcommand: # cloud-init status This […]
How to uninstall lammps package from Ubuntu
LAMMPS (Large-scale Atomic/Molecular Massively Parallel Simulator) is a molecular dynamics simulation software package that is designed to simulate the behavior of molecules and materials under various conditions. It is a flexible and powerful tool that is widely used in scientific research and engineering applications. LAMMPS is developed and maintained by Sandia National Laboratories, with the […]
How to uninstall speedtest-cli package from Ubuntu
speedtest-cli is a command-line utility that allows you to test the speed of your internet connection from the terminal. It is a Python-based tool that uses the Speedtest.net platform to measure the download and upload speeds of your internet connection. To install speedtest-cli on Ubuntu, you will need to have Python and the pip package […]
How to uninstall scons package from Ubuntu
SCons is a software construction tool that is designed to be a replacement for traditional build systems such as make. It is a Python-based build tool that uses Python scripts (called “SConstruct” and “SConscript” files) to describe the build process for a software project. To install SCons on Ubuntu, you will need to have Python […]
How to uninstall chromium-chromedriver from Ubuntu
The chromium-chromedriver package is a suite of tools that allows you to control the Chromium web browser from the command line. It includes the chromedriver tool, which is a standalone server that implements the WebDriver protocol for Chrome, as well as the chromium-browser tool, which is a command-line wrapper for the Chromium web browser. To […]
How to uninstall mingw-w64 from Ubuntu
MinGW (Minimalist GNU for Windows) is a software development environment that allows you to create native Windows applications using GCC (GNU Compiler Collection). It is a port of the GCC compiler and tools to Windows, and is designed to be used in combination with a set of libraries and header files known as the Win32 […]
Permissions 0644 for ‘/home/username/.ssh/your_pem_file.pem:’ are too open
If you received an error when login to AWS EC2 instance or any virtual machine using the PEM file by SSH command like below: $ ssh -i ~/.ssh/your_pem_file.pem username@192.168.0.102 @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ @ WARNING: UNPROTECTED PRIVATE KEY FILE! @ @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ Permissions 0644 for ‘/home/username/.ssh/your_pem_file.pem:’ are too open. It is required that your private key files are NOT […]
How to uninstall ssh software package from Ubuntu
The ssh (Secure Shell) package is a network protocol used to securely connect to a remote computer. It allows you to remotely log in to a server, execute commands, and transfer files securely over an encrypted connection. On Ubuntu, the ssh package is pre-installed and is commonly used to remotely manage servers and other computer […]
How to Install apt-utils with apt-get?
The apt-utils package is a collection of utilities that are used to manage the Advanced Packaging Tool (APT) system in Linux. It includes tools such as apt-config, apt-cache, and apt-cdrom, which are used to configure, cache, and manage packages on your system. To install apt-utils using apt-get, you will need to have apt-get installed on […]