Yaourt is a package manager for Arch Linux and its derivatives such as Manjaro Linux. It extends the functionality of the pacman package manager by providing support for the installation of packages from the Arch User Repository (AUR). To install yaourt on Arch Linux, follow these steps: Install base-devel package: Before you can install yaourt, … Read more
To change the root password on CentOS Linux, follow these steps: Boot into Single User Mode: You can boot your CentOS system into single user mode by adding single to the kernel command line during boot. Mount the root partition: In single user mode, the root partition will be mounted read-only. To change the root … Read more
To change the screenshots save file location in macOS X, follow these steps: Open Terminal: You can find Terminal by searching for it using Spotlight, or you can find it in the Utilities folder within the Applications folder. Enter the following command: defaults write com.apple.screencapture location ~/Desktop/Screenshots Replace ~/Desktop/Screenshots with the desired save file location … Read more
To compile and install Tarsnap on an Ubuntu/Debian Linux system, follow these steps: Install dependencies: Tarsnap requires several libraries and tools to be installed on your system before you can compile and install it. To install these dependencies, run the following command: sudo apt-get install build-essential libssl-dev zlib1g-dev libcurl4-openssl-dev Download the Tarsnap source code: You … Read more
To install the GNU GCC compiler and development environment on Ubuntu Linux, follow these steps: Update the package list: sudo apt-get update Install the build-essential package: The build-essential package includes the GCC compiler and a number of other development tools. To install this package, run the following command: sudo apt-get install build-essential Verify the installation: … Read more
In Linux/Unix, you can assign the output of a grep command to a variable using command substitution. Command substitution allows you to capture the output of a command and use it as the value of a variable. Here’s an example of how to assign the output of a grep command to a variable in a … Read more
To change the SSH port on a Linux or Unix server, follow these steps: Open the SSH daemon configuration file: The SSH daemon configuration file is usually located at /etc/ssh/sshd_config. Find the line that specifies the Port: Look for the line that starts with Port and change the default port number (22) to the desired … Read more
You can find a process by its name in Linux using the ps and grep commands. Here’s an example of how to find a process by its name: ps -ef | grep process-name The ps -ef command lists all running processes on the system, and the grep command filters the output to show only the … Read more
Securing a MongoDB installation on a Linux or Unix production server involves several steps: Bind to a specific IP address or localhost: By default, MongoDB listens on all available network interfaces. To secure your MongoDB installation, you should bind MongoDB to a specific IP address or to localhost. This will limit access to your MongoDB … Read more
To change your shell in Linux or Unix, you can use the chsh (change shell) command. The chsh command allows you to change the default shell for your user account. Here’s an example of how to change your shell to bash: chsh -s /bin/bash The -s option specifies the shell to use, and /bin/bash is … Read more