Docker 101 : Getting Familiar

gistfile1.txt

$ docker

#docker <command> --help 
$ docker run --help
$ docker info 
$ docker version 

# Running Ephemeral Container
$ docker run ubuntu /bin/echo "Hello World"
$ docker ps 
$ docker ps -l

# Interactive Shell
$ docker run -i -t ubuntu /bin/bash
$ cat /proc/cpuinfo 

# Run some commands in ubuntu env
$ cat /etc/issue
$ uname -a 
$ ps aux 
$ apt-get update 

# Run "Hello World" in a forever loop
$ docker run -d ubuntu /bin/sh -c "while true; do echo hello world; sleep 1; done"

$ docker exec <container_id> ps aux
$ docker exec -it <container_id> /bin/bash
$ docker stop <container_id>
$ docker ps 

$ docker ps -a
$ docker start <container_id>

$ docker stop <container_id>
$ docker rm <container_id>