How to install docker on Ubuntu 19.04
What is docker?
Docker is basically a container engine which uses the Linux Kernel in order to create the containers on top of an operating system. Which is use to create, deploy and run the applications
Update packages
sudo apt update -y
Install basic dependencies
sudo apt -y install apt-transport-https ca-certificates curl gnupg-agent software-properties-common
Output:
Preparing to unpack .../apt-transport-https_1.8.3_all.deb ...
Unpacking apt-transport-https (1.8.3) ...
Selecting previously unselected package gnupg-agent.
Preparing to unpack .../gnupg-agent_2.2.12-1ubuntu3_all.deb ...
Unpacking gnupg-agent (2.2.12-1ubuntu3) ...
Setting up apt-transport-https (1.8.3) ...
Setting up gnupg-agent (2.2.12-1ubuntu3) ...
Import docker repository GPG key
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -
Output:
OK
Add Docker CE repository
sudo add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable"
Output:
Get:1 https://download.docker.com/linux/ubuntu disco InRelease [44.4 kB]
Hit:2 http://de.archive.ubuntu.com/ubuntu disco InRelease
Get:3 https://download.docker.com/linux/ubuntu disco/stable amd64 Packages [3,563 B]
Hit:4 http://de.archive.ubuntu.com/ubuntu disco-updates InRelease
Hit:5 http://de.archive.ubuntu.com/ubuntu disco-backports InRelease
Hit:6 http://de.archive.ubuntu.com/ubuntu disco-security InRelease
Fetched 48.0 kB in 1s (43.4 kB/s)
Reading package lists... Done
Install Docker CE
sudo apt -y install docker-ce docker-ce-cli containerd.io
Output:
Setting up pigz (2.4-1) ...
Setting up cgroupfs-mount (1.4) ...
Setting up docker-ce (5:19.03.3~3-0~ubuntu-disco) ...
Created symlink /etc/systemd/system/multi-user.target.wants/docker.service → /lib/systemd/system/docker.service.
Created symlink /etc/systemd/system/sockets.target.wants/docker.socket → /lib/systemd/system/docker.socket.
Processing triggers for systemd (240-6ubuntu5.8) ...
Processing triggers for man-db (2.8.5-2) ...
Processing triggers for libc-bin (2.29-0ubuntu2) ...
Check Docker service.
systemctl status docker
Output:
● docker.service - Docker Application Container Engine
Loaded: loaded (/lib/systemd/system/docker.service; enabled; vendor preset: enabled)
Active: active (running) since Sat 2019-11-30 12:06:54 UTC; 1min 28s ago
Docs: https://docs.docker.com
Main PID: 9478 (dockerd)
Tasks: 10
Memory: 38.1M
CGroup: /system.slice/docker.service
└─9478 /usr/bin/dockerd -H fd:// --containerd=/run/containerd/containerd.sock
Nov 30 12:06:54 vps.server.com dockerd[9478]: time="2019-11-30T12:06:54.340566631Z" level=warning msg="Your kernel does not support cgrou
Nov 30 12:06:54 vps.server.com dockerd[9478]: time="2019-11-30T12:06:54.340586530Z" level=warning msg="Your kernel does not support cgrou
Nov 30 12:06:54 vps.server.com dockerd[9478]: time="2019-11-30T12:06:54.340597409Z" level=warning msg="Your kernel does not support cgrou
Nov 30 12:06:54 vps.server.com dockerd[9478]: time="2019-11-30T12:06:54.341867491Z" level=info msg="Loading containers: start."
Nov 30 12:06:54 vps.server.com dockerd[9478]: time="2019-11-30T12:06:54.622845883Z" level=info msg="Default bridge (docker0) is assigned
Nov 30 12:06:54 vps.server.com dockerd[9478]: time="2019-11-30T12:06:54.761684393Z" level=info msg="Loading containers: done."
Nov 30 12:06:54 vps.server.com dockerd[9478]: time="2019-11-30T12:06:54.848251454Z" level=info msg="Docker daemon" commit=a872fc2f86 grap
Nov 30 12:06:54 vps.server.com dockerd[9478]: time="2019-11-30T12:06:54.849149468Z" level=info msg="Daemon has completed initialization"
Nov 30 12:06:54 vps.server.com dockerd[9478]: time="2019-11-30T12:06:54.879129236Z" level=info msg="API listen on /var/run/docker.sock"
Nov 30 12:06:54 vps.server.com systemd[1]: Started Docker Application Container Engine.