Create README.md

Author: collabnix

cheatsheet/README.md

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+
+#stop and Remove ALL containers
+	docker stop $(docker ps -aq); docker rm $(docker ps -aq)
+
+#stop ALL containers
+	docker stop $(docker ps -a -q)
+
+# remove ALL containers
+	docker rm -f $(docker ps -a -q) 
+	
+	
+For Containers :
+	docker stop $(docker ps -qa)
+	docker rm $(docker ps -qa)
+
+
+For Images	:
+	docker rmi $(docker images -qa)
+	docker images
+	docker rmi -f b00ea124ed62 529165268aa2 0c45f7936948 
+	docker images
+
+
+Volume Example usage:
+
+	docker run -v c:\ContainerData:c:\data:RO for read-only access
+	docker run -v c:\ContainerData:c:\data:RW for read-write access
+	docker run -v c:\ContainerData:c:\data for read-write access (default)
+
+
+	docker run -itd -p 8030:80 -m 1GB --name nginx1 -v c:/html:/usr/share/nginx/html nginx
+	
+	docker run -itd -p 8040:80 -m 1GB --name nginx2 -v c:/html:/usr/share/nginx/html:ro nginx:v2
+
+
+
+Docker run	:	
+	
+	--privileged
+		$ docker run -t -i --rm ubuntu bash
+		root@bc338942ef20:/# mount -t tmpfs none /mnt
+								mount: permission denied
+		
+		$ docker run -t -i --privileged ubuntu bash
+		root@50e3f57e16e6:/# mount -t tmpfs none /mnt
+		root@50e3f57e16e6:/# df -h
+							 Filesystem      Size  Used Avail Use% Mounted on
+							 none            1.9G     0  1.9G   0% /mnt
+
+
+    -w
+		$ docker  run -w /path/to/dir/ -i -t  ubuntu pwd
+		The -w lets the command being executed inside directory given, here /path/to/dir/. 
+		Note  :  If the path does not exist it is created inside the container.
+		
+		docker run -itd -p 8050:80 -m 1GB --name nginx3 -w //usr//share//nginx//html -v c:/html:/usr/share/nginx/html nginx
+
+		
+		
+	-e, --env, --env-file
+		$ docker run -e MYVAR1 --env MYVAR2=foo --env-file ./env.list ubuntu bash
+		
+		$ docker run --env VAR1=value1 --env VAR2=value2 ubuntu env | grep VAR
+			VAR1=value1
+			VAR2=value2
+
+
+	Limiting Memory
+		$ docker run -d -p 8081:80 --memory=20m --memory-swap=20m nginx
+		$ docker container run -d --memory-reservation=250m --name mymem1 alpine:3.8 sleep 3600
+	
+	
+	Limiting CPU
+		--cpus
+			Docker 1.13 and higher:
+				$ docker run -it --cpus=".5" ubuntu /bin/bash
+			
+			Docker 1.12 and lower:
+				$ docker run -it --cpu-period=100000 --cpu-quota=50000 ubuntu /bin/bash
+				$ docker run -it --cpus-shares="512" ubuntu /bin/bash
+
+
+docker stats	:	
+
+	$ docker stop $(docker ps -aq); docker rm $(docker ps -aq)
+	$ docker run -itd -p 8030:80 --name nginx7 -v c:/html:/usr/share/nginx/html:ro nginx:v2
+	$ docker stats
+		CONTAINER ID        NAME         CPU %      MEM USAGE / LIMIT       MEM %               NET I/O             BLOCK I/O           PIDS
+		779eb8148aa7        nginx7       0.00%      1.914MiB / 8.75GiB      0.02%               906B / 0B           0B / 4.1kB          2
+
+
+
+Create and start a container
+	$ docker create -t -i fedora bash
+		6d8af538ec541dd581ebc2a24153a28329acb5268abe5ef868c1f1a261221752
+
+	$ docker start -a -i 6d8af538ec5
+		bash-4.2#
+
+		
+Copy	:
+
+	Copy a file from host to container:
+		 docker cp Dockerfile 779eb8148aa7:/tmp/Dockerfile
+		 docker exec -it 779eb8148aa7 //bin/bash
+		 docker cp Dockerfile 779eb8148aa7:/tmp/Dockerfile123
+		 docker exec -it 779eb8148aa7 //bin/bash
+	 
+	Copy a file from Docker container to host:
+		docker cp 779eb8148aa7:/tmp/Dockerfile123 Dockerfile_Delete
+ 
+ 
+	Copy a Folder from host to container:
+		docker cp /home/captain/my_dir ubu_container:/home
+		docker cp ubu_container:/home/my_dir  /home/captain
+ 
+ 
+Logs	:
+	$ docker logs 779eb8148aa7 --follow
+	
+	
+	
+