22nd March :

Docker:

https://www.docker.com/

Communiy Edition of Docker Enginer:

https://docs.docker.com/engine/install/ubuntu/

# 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

Default Directory :

/etc/docker

Common Commands:

run Create and run a new container from an image

exec Execute a command in a running container

ps List containers

build Build an image from a Dockerfile

pull Download an image from a registry

push Upload an image to a registry

images List images

login Authenticate to a registry

logout Log out from a registry

search Search Docker Hub for images

version Show the Docker version information

info Display system-wide information

Docker image:

A Docker image is a read-only template used to build containers. Images are used to store and ship applications.

docker images: to check list of images

pull Download an image from a registry

ps List containers

docker run -itd eff2362b2d14

docker run -itd --name my jenkins -p 8080:8080 (hostport) eff2362b2d14

exec Execute a command in a running container

docker exec -it 1461c9d50d3f bash

Dockerhub:

username: devopsdeepdive560

email: [email protected]