What is a package?
A package is essentially an archive file containing the binary executable, configuration file and sometimes information about the dependencies.
Different Types of Package Managers in Linux
APT (Advanced Package Tool): Used by Debian and Ubuntu-based systems.
YUM (Yellowdog Updater Modified): Used by Red Hat, CentOS, and Fedora.
Pacman: Used by Arch Linux and its derivatives.
zypper: Used by openSUSE and SUSE Linux Enterprise.
Installing Docker on Ubuntu using APT 🐳sudo apt update sudo apt install docker
Installing Jenkins on Ubuntu using APT ☕sudo apt update sudo apt install jenkins
check the status of the docker service in your system:
systemctl status docker
stop the service, Jenkins:
sudo systemctl stop jenkins
systemctl: It is used to control the state of systemd and the service manager.
service: This is a simple command-line tool for interacting with systemd services.