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

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