Open Ubuntu terminal and type sudo apt install /home/root/Downloads/my-app.deb -y The path location should be absolute/ full path. Type pwd to get the current path location of the .deb file. ...

Add git-core PPA repository yes | sudo add-apt-repository ppa:git-core/ppa Update APT database sudo apt update Install GIT sudo apt install git -y Check the installation git --version ...

Prerequisites To install Docker Engine, you need the 64-bit version of one of these Ubuntu versions: Ubuntu Impish 21.10 Ubuntu Hirsute 21.04 Ubuntu Focal 20.04 (LTS) Ubuntu Bionic 18.04 (LTS) Install Docker Engine sudo apt-get update sudo apt-get install ca-certificates curl gnupg lsb-release -y Add Docker’s official GPG key: curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /usr/share/keyrings/docker-archive-keyring.gpg Use the following command to set u...