参考源
https://www.bilibili.com/video/BV1og4y1q7M4?spm_id_from=333.999.0.0
https://www.bilibili.com/video/BV1kv411q7Qc?spm_id_from=333.999.0.0
版本
本文章基于 Docker 20.10.11
Docker 的帮助命令是一个万能命令,可以用来查看 Docker 的所有命令。
语法
docker [命令] --help
查看镜像相关命令
[root@sail ~]# docker images --help
Usage: docker images [OPTIONS] [REPOSITORY[:TAG]]
List images
Options:
-a, --all Show all images (default hides intermediate images)
--digests Show digests
-f, --filter filter Filter output based on conditions provided
--format string Pretty-print images using a Go template
--no-trunc Don't truncate output
-q, --quiet Only show image IDs
查看容器相关命令
[root@sail ~]# docker ps --help
Usage: docker ps [OPTIONS]
List containers
Options:
-a, --all Show all containers (default shows just running)
-f, --filter filter Filter output based on conditions provided
--format string Pretty-print containers using a Go template
-n, --last int Show n last created containers (includes all states) (default -1)
-l, --latest Show the latest created container (includes all states)
--no-trunc Don't truncate output
-q, --quiet Only display container IDs
-s, --size Display total file sizes
使用 docker version
命令可以查看 Docker 的基本信息。
[root@sail ~]# docker version
Client: Docker Engine - Community
Version: 20.10.11
API version: 1.41
Go version: go1.16.9
Git commit: dea9396
Built: Thu Nov 18 00:38:53 2021
OS/Arch: linux/amd64
Context: default
Experimental: true
Server: Docker Engine - Community
Engine:
Version: 20.10.11
API version: 1.41 (minimum version 1.12)
Go version: go1.16.9
Git commit: 847da18
Built: Thu Nov 18 00:37:17 2021
OS/Arch: linux/amd64
Experimental: false
containerd:
Version: 1.4.12
GitCommit: 7b11cfaabd73bb80907dd23182b9347b4245eb5d
runc:
Version: 1.0.2
GitCommit: v1.0.2-0-g52b36a2
docker-init:
Version: 0.19.0
GitCommit: de40ad0
使用 docker info
命令可以查看 Docker 的系统信息。
[root@sail ~]# docker info
Client:
Context: default
Debug Mode: false
Plugins:
app: Docker App (Docker Inc., v0.9.1-beta3)
buildx: Build with BuildKit (Docker Inc., v0.6.3-docker)
scan: Docker Scan (Docker Inc., v0.9.0)
Server:
Containers: 1
Running: 0
Paused: 0
Stopped: 1
Images: 1
Server Version: 20.10.11
Storage Driver: overlay2
Backing Filesystem: extfs
Supports d_type: true
Native Overlay Diff: true
userxattr: false
Logging Driver: json-file
Cgroup Driver: cgroupfs
Cgroup Version: 1
Plugins:
Volume: local
Network: bridge host ipvlan macvlan null overlay
Log: awslogs fluentd gcplogs gelf journald json-file local logentries splunk syslog
Swarm: inactive
Runtimes: io.containerd.runc.v2 io.containerd.runtime.v1.linux runc
Default Runtime: runc
Init Binary: docker-init
containerd version: 7b11cfaabd73bb80907dd23182b9347b4245eb5d
runc version: v1.0.2-0-g52b36a2
init version: de40ad0
Security Options:
seccomp
Profile: default
Kernel Version: 3.10.0-957.21.3.el7.x86_64
Operating System: CentOS Linux 7 (Core)
OSType: linux
Architecture: x86_64
CPUs: 2
Total Memory: 1.694GiB
Name: sail
ID: 2GYU:CVF3:LSAL:J37H:TGME:AOCA:BROB:PHCD:ZPN2:BQCG:GXHB:7Q3L
Docker Root Dir: /var/lib/docker
Debug Mode: false
Registry: https://index.docker.io/v1/
Labels:
Experimental: false
Insecure Registries:
127.0.0.0/8
Registry Mirrors:
https://l6b75cm0.mirror.aliyuncs.com/
Live Restore Enabled: false
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