docker version and docker info commands

You can use the docker version command which gives you information about Current version of the docker installed, api version, go version and built.

 [user@ankit63001 ~]$ docker images  

 REPOSITORY     TAG         IMAGE ID      CREATED       SIZE

  hello-world     latest       1815c82652c0    5 days ago     1.84kB

 [user@ankit63001 ~]$ docker version

 Client:

 Version:   17.05.0-ce

 API version: 1.29

 Go version:  go1.7.5

 Git commit:  89658be

 Built:    Thu May 4 22:06:25 2017

 OS/Arch:   linux/amd64 

 Server:

 Version:   17.05.0-ce

 API version: 1.29 (minimum version 1.12)

 Go version:  go1.7.5

 Git commit:  89658be

 Built:    Thu May 4 22:06:25 2017

 OS/Arch:   linux/amd64

 Experimental: false

 [user@ankit63001 ~]$

You can get the complete details about your host and much more information using the docker info command

 [root@ankit63001 ~]# docker info  

 Containers: 1

  Running: 0

 Paused: 0

 Stopped: 1

 Images: 1

 Server Version: 17.05.0-ce

 Storage Driver: overlay

 Backing Filesystem: xfs

 Supports d_type: false

 Logging Driver: json-file

 Cgroup Driver: cgroupfs

 Plugins:

 Volume: local

 Network: bridge host macvlan null overlay

 Swarm: inactive

 Runtimes: runc

 Default Runtime: runc

 Init Binary: docker-init

 containerd version: 9048e5e50717ea4497b757314bad98ea3763c145

 runc version: 9c2d8d184e5da67c95d601382adf14862e4f2228

 init version: 949e6fa

 Security Options:

 seccomp

 Profile: default

 Kernel Version: 3.10.0-327.28.2.el7.x86_64

 Operating System: CentOS Linux 7 (Core)

 OSType: linux

 Architecture: x86_64

 CPUs: 1

 Total Memory: 991.6MiB

 Name: ankit63XXX.XXXXXX.XXX

 ID: LFTK:7EXP:C4B5:A6MG:EZKW:LQ5I:GMTQ:DG3X:WD6H:CGAY:GULY:32ZT

 Docker Root Dir: /var/lib/docker

 Debug Mode (client): false

 Debug Mode (server): false

 Registry: https://index.docker.io/v1/

 Experimental: false

 Insecure Registries:

 127.0.0.0/8

 Live Restore Enabled: false