To change the hostname of an Ubuntu 20.04 LTS system permanently, you can use the hostnamectl command. Here are the steps to change the hostname: Open a terminal window and run the command hostnamectl set-hostname new-hostname replacing “new-hostname” with the desired hostname. Verify the new hostname by running the command hostnamectl. To make the change … Read more

Upgrading Ubuntu 18.04 to 20.04 LTS using the command line involves several steps, including updating the package lists, upgrading the packages, and finally, upgrading the system to the new release. Here are the general steps to upgrade Ubuntu 18.04 to 20.04 LTS: Start by running the command sudo apt update to update the package lists. … Read more

To update the firmware on a Lenovo ThinkPad X1 Extreme or P1 Gen 2 on Linux, you can use the fwupd tool. Here are the steps to update the firmware: Install the fwupd package on your Linux system, if it’s not already installed. On Ubuntu or Debian, you can install it with: sudo apt-get install … Read more

Tinc is a Virtual Private Network (VPN) daemon that can be used to create a secure network between multiple hosts. Here are the steps to install Tinc and set up a basic VPN on Ubuntu: Install Tinc by running the command sudo apt install tinc Create a directory for Tinc’s configuration files by running the … Read more

To update the firmware on a Lenovo ThinkPad X1 Extreme or P1 Gen 2 on Linux, you can use the fwupd tool. Here are the steps to update the firmware: Install the fwupd package on your Linux system, if it’s not already installed. On Ubuntu or Debian, you can install it with: sudo apt-get install … Read more

Ansible is an automation tool that can be used to manage and automate tasks on multiple servers. To update all packages on Ubuntu or Debian Linux using Ansible, you can use the apt module. Here are the steps to do this: Install Ansible on your management machine by running the command sudo apt install ansible. … Read more

On OpenSUSE, you can install the sudo package to allow users to execute commands as the root user. Here are the steps to do this: Open a terminal window and log in as the root user by running the command su and entering the root password. Update the package index by running the command zypper … Read more

When you resize a disk volume on a Linux system, the file system on that volume may not automatically adjust to the new size. To extend the file system to use the new space, you can use the resize2fs command. Here are the general steps to extend a file system after resizing a disk volume: … Read more

To update the firmware on a Lenovo ThinkPad X1 Extreme or P1 Gen 2 on Linux, you can use the fwupd tool. Here are the steps to update the firmware: Install the fwupd package on your Linux system, if it’s not already installed. On Ubuntu or Debian, you can install it with: sudo apt-get install … Read more

To set up and use LXD on CentOS 8.x / RHEL 8.x, you can follow these steps: Install the lxd package using the package manager: sudo dnf install lxd Initialize LXD: sudo lxd init Start the lxd service: sudo systemctl start lxd Verify that the service is running: sudo systemctl status lxd Create a new … Read more