Install Docker Engine on Ubuntu

Prerequisites
sudo apt install gnome-terminal

Install Docker Desktop

sudo apt-get update
sudo apt-get install ./docker-desktop-amd64.deb

Install using the apt repository

# Add Docker's official GPG key:
sudo apt-get update
sudo apt-get install ca-certificates curl
sudo install -m 0755 -d /etc/apt/keyrings
sudo curl -fsSL https://download.docker.com/linux/ubuntu/gpg -o /etc/apt/keyrings/docker.asc
sudo chmod a+r /etc/apt/keyrings/docker.asc

# Add the repository to Apt sources:
echo \
  "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.asc] https://download.docker.com/linux/ubuntu \
  $(. /etc/os-release && echo "${UBUNTU_CODENAME:-$VERSION_CODENAME}") stable" | \
  sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
sudo apt-get update





sudo apt-get install docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin







https://docs.docker.com/engine/install/linux-postinstall/

sangbinlee9@dev9-elitebook:~$ ll
total 40
drwxr-x--- 5 sangbinlee9 sangbinlee9 4096 Aug 3 17:10 ./
drwxr-xr-x 3 root root 4096 Aug 2 16:18 ../
-rw------- 1 sangbinlee9 sangbinlee9 1272 Aug 3 17:08 .bash_history
-rw-r--r-- 1 sangbinlee9 sangbinlee9 220 Mar 31 2024 .bash_logout
-rw-r--r-- 1 sangbinlee9 sangbinlee9 3771 Mar 31 2024 .bashrc
drwx------ 2 sangbinlee9 sangbinlee9 4096 Aug 3 14:39 .cache/
drwxrwxr-x 2 sangbinlee9 sangbinlee9 4096 Aug 3 17:10 .docker/
-rw-r--r-- 1 sangbinlee9 sangbinlee9 807 Mar 31 2024 .profile
drwx------ 2 sangbinlee9 sangbinlee9 4096 Aug 3 15:45 .ssh/
-rw-r--r-- 1 sangbinlee9 sangbinlee9 0 Aug 3 15:38 .sudo_as_admin_successful
-rw------- 1 sangbinlee9 sangbinlee9 993 Aug 3 15:37 .viminfo
sangbinlee9@dev9-elitebook:~$ id
uid=1000(sangbinlee9) gid=988(docker) groups=988(docker),4(adm),24(cdrom),27(sudo),30(dip),46(plugdev),101(lxd),1000(sangbinlee9)
sangbinlee9@dev9-elitebook:~$

sangbinlee9@dev9-elitebook:~$ sudo systemctl enable docker.service
sudo systemctl enable containerd.service
Synchronizing state of docker.service with SysV service script with /usr/lib/systemd/systemd-sysv-install.
Executing: /usr/lib/systemd/systemd-sysv-install enable docker
sangbinlee9@dev9-elitebook:~$

https://docs.docker.com/engine/install/linux-postinstall/