Docker - Revision history

M: /* See files in an image */

2023-12-27T20:46:56Z

See files in an image

← Older revision		Revision as of 20:46, 27 December 2023
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	==== See files in an image ====		==== See files in an image ====
	You should REALLY peek at images before blindly running containers. Stupid docker doesn't make this OOTB-easy, but there's [https://stackoverflow.com/a/53481010/717274 always a way].		You should REALLY peek at images before blindly running containers. Stupid docker doesn't make this OOTB-easy, but there's [https://stackoverflow.com/a/53481010/717274 always a way].
	docker create --name="tmp_$$" image:tag		docker create --name="tmp_$$" image:tag ls
	docker export tmp_$$ \| tar t		docker export tmp_$$ \| tar t
	docker rm tmp_$$		docker rm tmp_$$

			Or to just fucking untar them all:
			docker save nginx > nginx.tar
			tar -xvf nginx.tar

	==== Pretty ps ====		==== Pretty ps ====

2023-12-27T20:40:11Z

Commands

← Older revision		Revision as of 20:40, 27 December 2023
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	docker push\|pull # push to / pull from hub.docker.com (for subsequent pull elsewhere!)		docker push\|pull # push to / pull from hub.docker.com (for subsequent pull elsewhere!)

			==== See files in an image ====
			You should REALLY peek at images before blindly running containers. Stupid docker doesn't make this OOTB-easy, but there's [https://stackoverflow.com/a/53481010/717274 always a way].
			docker create --name="tmp_$$" image:tag
			docker export tmp_$$ \| tar t
			docker rm tmp_$$

	==== Pretty ps ====		==== Pretty ps ====

2023-12-18T15:02:21Z

Commands

← Older revision		Revision as of 15:02, 18 December 2023
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	# -it to run in a terminal, then Ctrl-C to stop it; use -d to run detached		# -it to run in a terminal, then Ctrl-C to stop it; use -d to run detached
	docker logs --follow cont-name # tail container logging		docker logs --follow cont-name # tail container logging
			docker logs -f cont --tail 100 # tail but clip log - REQUIRED on long-running containers!
	docker ps # to see what containers are running		docker ps # to see what containers are running
	docker ps -a # to see what containers are running (including recently stopped containers)		docker ps -a # to see what containers are running (including recently stopped containers)

2023-12-18T13:51:10Z

Commands

← Older revision		Revision as of 13:51, 18 December 2023
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	docker exec -it cont-name bash # get bash prompt on running container		docker exec -it cont-name bash # get bash prompt on running container
	docker exec -u root -it cont-name /bin/bash # to run bash as root (so eg you can `apt install ...`)		docker exec -u root -it cont-name /bin/bash # to run bash as root (so eg you can `apt install ...`)
			docker exec -u 0 -it cont-name bash # similar to ^
	docker cp ./myfile mycont:/dest # copy file into container		docker cp ./myfile mycont:/dest # copy file into container
	docker cp mycont:/src /home/ # copy file out of container		docker cp mycont:/src /home/ # copy file out of container

2023-12-05T11:23:01Z

Commands

← Older revision		Revision as of 11:23, 5 December 2023
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	docker exec -it cont-name bash # get bash prompt on running container		docker exec -it cont-name bash # get bash prompt on running container
	docker exec -u root -it cont-name /bin/bash # to run bash as root (so eg you can `apt install ...`)		docker exec -u root -it cont-name /bin/bash # to run bash as root (so eg you can `apt install ...`)
			docker cp ./myfile mycont:/dest # copy file into container
			docker cp mycont:/src /home/ # copy file out of container
	docker cp $(docker create --rm ${imageBaseUrl}):/image/path/files /local/path # copy image files		docker cp $(docker create --rm ${imageBaseUrl}):/image/path/files /local/path # copy image files
	docker rm name # to remove a stopped container		docker rm name # to remove a stopped container

2023-11-15T19:46:38Z

Install

← Older revision		Revision as of 19:46, 15 November 2023
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	==== [https://docs.docker.com/engine/install/ubuntu/#install-using-the-repository Install docker with apt] ====		==== [https://docs.docker.com/engine/install/ubuntu/#install-using-the-repository Install docker with apt] ====

	This now includes docker compose. It should be all you need.		This now includes docker compose. It should be all you need. I had to do this shit that is fucking always a problem and never documented - FU.
			* add yourself to docker group
			sudo usermod -aG docker ${USER}
			* fix the GOD DAMNED socket permission. assholes...
			sudo chmod 666 /var/run/docker.sock

	==== Proxmox CPU config ====		==== Proxmox CPU config ====

2023-11-15T18:51:40Z

Install

← Older revision		Revision as of 18:51, 15 November 2023
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	=== Install ===		=== Install ===

	==== [https://docs.docker.com/engine/install/ubuntu/ Install docker] ====		==== [https://docs.docker.com/engine/install/ubuntu/#install-using-the-repository Install docker with apt] ====
	~~<pre>~~
	~~sudo apt-get install apt-transport-https ca-certificates curl gnupg lsb-release~~
	~~echo "deb [arch=amd64 signed-by=/usr/share/keyrings/docker-archive-keyring.gpg] https://download.docker.com/linux/ubuntu \~~
	~~$(lsb_release -cs) stable" \| sudo tee /etc/apt/sources.list.d/docker.list > /dev/null~~
	~~sudo apt update && sudo apt-get install docker-ce docker-ce-cli containerd.io~~
	~~sudo docker run hello-world~~
	~~sudo docker container ls -all # to see previous run-and-teardown~~
	~~sudo usermod -aG docker m # to add m to docker group for complete access, no more need for [sudo docker]~~
	~~</pre>~~

	~~==== Install docker compose ====~~		This now includes docker compose. It should be all you need.
	~~A good easy way to coordinate multiple containers. Used for rocketchat docker install. Kubernetes is too big to worry about right~~ now~~...~~
	~~sudo apt-get install~~ docker~~-compose-plugin~~

	~~See the RocketChat~~ compose.~~yml file for an example:~~
	~~development/config/ubuntu/matryoshka/home/m/apps/RocketChat/compose~~.~~yml~~

	==== Proxmox CPU config ====		==== Proxmox CPU config ====

2023-05-24T16:48:24Z

Commands

← Older revision		Revision as of 16:48, 24 May 2023
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	docker exec -it cont-name bash # get bash prompt on running container		docker exec -it cont-name bash # get bash prompt on running container
	docker exec -u root -it cont-name /bin/bash # to run bash as root (so eg you can `apt install ...`)		docker exec -u root -it cont-name /bin/bash # to run bash as root (so eg you can `apt install ...`)
			docker cp $(docker create --rm ${imageBaseUrl}):/image/path/files /local/path # copy image files
	docker rm name # to remove a stopped container		docker rm name # to remove a stopped container
	docker container prune # to remove all stopped containers		docker container prune # to remove all stopped containers

2023-03-07T17:38:08Z

Install docker compose

← Older revision		Revision as of 17:38, 7 March 2023
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	A good easy way to coordinate multiple containers. Used for rocketchat docker install. Kubernetes is too big to worry about right now...		A good easy way to coordinate multiple containers. Used for rocketchat docker install. Kubernetes is too big to worry about right now...
	sudo apt-get install docker-compose-plugin		sudo apt-get install docker-compose-plugin

			See the RocketChat compose.yml file for an example:
			development/config/ubuntu/matryoshka/home/m/apps/RocketChat/compose.yml

	==== Proxmox CPU config ====		==== Proxmox CPU config ====

2023-03-07T17:29:00Z

Install docker compose

← Older revision		Revision as of 17:29, 7 March 2023
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	==== Install docker compose ====		==== Install docker compose ====
	~~Not sure why this isn't installed in the base~~. ~~I needed it~~ for rocketchat docker install. ~~Is this similar/alternative~~ to ~~Kubernetes? Hmm~~.		A good easy way to coordinate multiple containers. Used for rocketchat docker install. Kubernetes is too big to worry about right now...
	sudo apt-get install docker-compose-plugin		sudo apt-get install docker-compose-plugin