Mike m-wendler

## keybase.md

      
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                m-wendler
                / keybase.md
            
            
              Created
              March 12, 2018 12:02
            
          
    Keybase proof

I hereby claim:

I am m-wendler on github.
I am mwendler (https://keybase.io/mwendler) on keybase.
I have a public key ASBwk4WpDZ-VLhvJ_drkE70hhrlQU0MyMP3sevgOvbg69wo

To claim this, I am signing this object:

  
## customize_the_docker_ps_command_output
# customize the 'ps' command (see https://docs.docker.com/engine/reference/commandline/ps/)
docker ps --format "table {{.ID}}\t{{.Names}}\t{{.Status}}\t{{.Command}}

# I also put it into an alias:
alias dps='docker ps --format "table {{.ID}}\t{{.Names}}\t{{.Status}}\t{{.Command}}"'

## rm_all_dangling_images_in_one_go
 docker rmi $(docker images -q -f dangling=true)

## list_all_dangling_images
# '-q' will list just IDs
docker images -q -f dangling=true

## rm_several_docker_hosts_in_one_go
# stop and remove all docker hosts with these names
for H in staging prod; do
  docker-machine stop $H;
  docker-machine rm -y $;H  # pass -y to automatically confirm the removal
done


# OR: one-liner
for H in staging prod; do docker-machine stop $N; docker-machine rm -y $N; done

## rm_all_exited_docker_containers_in_one_go
# the '-q' option returns just the container IDs
docker rm $(docker ps -a -q -f status=exited)

## list_all_exited_docker_containers
# '-f' lets you filter for a particular status
docker ps -a -f status=exited

## several_docker_hosts_in_one_go.txt
# create 3 docker hosts on virtualbox
for N in 1 2 3; do
  docker-machine create -d virtualbox node-$N;
done

# OR: one-liner:
for N in 1 2 3; do docker-machine create -d virtualbox node-$N; done
	# customize the 'ps' command (see https://docs.docker.com/engine/reference/commandline/ps/)
	docker ps --format "table {{.ID}}\t{{.Names}}\t{{.Status}}\t{{.Command}}

	# I also put it into an alias:
	alias dps='docker ps --format "table {{.ID}}\t{{.Names}}\t{{.Status}}\t{{.Command}}"'
	# stop and remove all docker hosts with these names
	for H in staging prod; do
	docker-machine stop $H;
	docker-machine rm -y $;H # pass -y to automatically confirm the removal
	done


	# OR: one-liner
	for H in staging prod; do docker-machine stop $N; docker-machine rm -y $N; done
	# the '-q' option returns just the container IDs
	docker rm $(docker ps -a -q -f status=exited)
	# '-f' lets you filter for a particular status
	docker ps -a -f status=exited
	# create 3 docker hosts on virtualbox
	for N in 1 2 3; do
	docker-machine create -d virtualbox node-$N;
	done

	# OR: one-liner:
	for N in 1 2 3; do docker-machine create -d virtualbox node-$N; done