To see what containers there are :

    {{{sudo docker ps -a}}}

    {{{sudo docker ps -l}}}

To remove a container :

    {{{sudo docker rm desperate_galileo}}}

To remove all containers :

    {{{sudo docker rm $(sudo docker ps -a -q)}}}

To remove an image :

    {{{sudo docker images}}}

    {{{sudo docker rmi 7152fe63199f}}}

To remove all images :

    {{{sudo docker rmi $(sudo docker images -q)}}}

To build a container :

    {{{sudo docker build -t lcbruit/redcap:v1 .}}}

    {{{sudo docker build --no-cache  -t lcbruit/redcap:v1 .}}}

To run a container :

    {{{sudo docker run -t -i lcbruit/redcap:v1 /bin/bash}}}

    {{{sudo docker run -p 8080:80 -d lcbruit/redcap:v1}}}

    {{{sudo docker run -i -t -p 8080:80 lcbruit/redcap:v1 /bin/bash}}}

To tag an image :

    {{{sudo docker tag 72d49f94ad66 lcbruit/redcap:devel}}}

To view images :

    {{{sudo docker images lcbruit/redcap}}}

To stop a docker :

    {{{sudo docker stop elated_bardeen}}}

Docker logs :

    {{{sudo docker logs condescending_perlman}}}

Misc :

    {{{sudo docker run -name redcap -i -t lcbruit/redcap:v1}}}

    {{{sudo docker run -t -i ubuntu /bin/bash}}}

Connect to existing container :

    {{{sudo docker exec -i -t 4cd90347c851 /bin/bash}}}

Remove Exited Containers that are exited:

    `docker rm -v $(docker ps -a -q -f status=exited)`

Remove Untagged Containers

    `docker rmi $(docker images | grep "^<none>" | awk "{print $3}")`

Remove Dangling Volumes

    `docker volume rm $(docker volume ls -qf dangling=true)`

Remove unused containers

    `sudo docker rm $(sudo docker ps -a -q)`

Remove untagged images 

    `sudo docker rmi $(sudo docker images | grep "^<none>" | awk "{print $3}")`