Rahul Sahu Setting up a WireGuard VPN server on CentOS 8 is a relatively simple process, and can be done by following these steps: First, enable the EPEL (Extra Packages for Enterprise Linux) repository by running the command: sudo dnf install epel-release Next, install the WireGuard package by running the command: sudo dnf install wireguard-dkms wireguard-tools After … Read more
To set up an OpenVPN server on CentOS 8 in 5 minutes, you will need to have root access to your server and have the EPEL (Extra Packages for Enterprise Linux) repository enabled. Install OpenVPN and Easy RSA: sudo yum install openvpn easy-rsa -y Create a directory for your OpenVPN server: sudo mkdir /etc/openvpn/server Copy … Read more
Installing Apache web server on Ubuntu 20.04 LTS is a simple process and can be done by following these steps: First, update the package list by running the command: sudo apt update Next, install Apache by running the command: sudo apt install apache2 After the installation is complete, Apache should automatically start and start listening … Read more
To forcefully renew a Let’s Encrypt certificate, you will need to use the certbot command-line tool. The basic command to renew a certificate is: sudo certbot renew This command will check all installed certificates and renew them if they are about to expire. To forcefully renew a specific certificate, you can use the –force-renewal or … Read more
Adding and deleting users on Alpine Linux can be done using the adduser and deluser commands, respectively. Here are the steps to add and delete a user on Alpine Linux: Adding a user: Open a terminal and log in as the root user by typing su and entering the root password. To add a new … Read more
To set up a WireGuard VPN server on Debian 10, you will first need to install the WireGuard package by running the following command: sudo apt install wireguard -y Next, you will need to generate the necessary key pairs for the server and clients using the wg command: umask 077 wg genkey | tee privatekey … Read more
Installing LXD (Linux container hypervisor) on Ubuntu 20.04 LTS using the apt package manager is a simple process and can be done by following these steps: First, update the package list by running the command: sudo apt update Next, you need to install the LXD package and its dependencies by running the command: sudo apt … Read more
To update all installed packages to their latest versions, including security updates, on Ubuntu 22.04 or 20.04, you can use the following command: sudo apt update && sudo apt upgrade -y This command first updates the package lists, then upgrades all currently installed packages to their latest versions. The -y flag is used to automatically … Read more
Upgrading Fedora 31 to Fedora 32 using the command line interface (CLI) can be done by following these steps: First, ensure that your current Fedora 31 installation is up-to-date by running the command: sudo dnf update Next, you need to install the fedora-upgrade package by running the command: sudo dnf install fedora-upgrade Now, you can … Read more
To remove the last character from each line using the sed command, you can use the following command: sed ‘s/.$//’ file.txt This command will use the s command to perform a substitution, replacing the last character in the line (.$) with nothing (//). The result will be the original line with the last character removed. … Read more