Docker Command Note

Copy folder to Docker Container
docker cp folder/. ContainerID:/home

Start/Stop all of Containers
docker start $(docker ps -a -q)
docker stop $(docker ps -a -q)

Removing All Unused Objects
docker system prune
docker system prune --volumes

Remove Containers
docker container ls -a
docker container stop ContainerID
docker container rm ContainerID
docker container ls -a --filter status=exited --filter status=created
docker container prune
docker container prune --filter "until=12h"

Remove Images
docker image ls
docker image rm ImageID
docker image prune
docker image prune -a
docker image prune -a --filter "until=12h"

Remove Volumes
docker volume ls
docker volume rm VolumeID
docker volume prune

Remove Networks
docker network ls
docker network rm NetworkID
docker network prune
docker network prune -a --filter "until=12h"

How to add DNS address on Ubuntu 18.04

1.[user@docker:/#] sudo nano /etc/netplan/50-cloud-init.yaml
--------------------------------------------------------------------------------------------
# This file is generated from information provided by
# the datasource.  Changes to it will not persist across an instance.
# To disable cloud-init's network configuration capabilities, write a file
# /etc/cloud/cloud.cfg.d/99-disable-network-config.cfg with the following:
# network: {config: disabled}
network:
    ethernets:
        enp0s3:
            dhcp4: true

    version: 2
--------------------------------------------------------------------------------------------
2.Add 2 lines as below
--------------------------------------------------------------------------------------------
network:
    ethernets:
        enp0s3:
            dhcp4: true
            nameservers:
                addresses: [8.8.4.4, 8.8.8.8]
    version: 2
--------------------------------------------------------------------------------------------
3.Save and exit

How to install Docker on Ubuntu 18.04

1.[user@docker:/#] sudo apt install -y apt-transport-https ca-certificates curl software-properties-common
2.[user@docker:/#] sudo curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -
3.[user@docker:/#] sudo add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu bionic stable"
4.[user@docker:/#] sudo apt update
5.[user@docker:/#] sudo apt-cache policy docker-ce
6.[user@docker:/#] sudo apt install -y docker-ce
7.[user@docker:/#] sudo systemctl status docker
8.[user@docker:/#] sudo docker -v
9.[user@docker:/#] sudo docker info