Linux系统说明：
腾讯云 Centos 7.5 64位
检查内核版本，返回的值大于3.10即可：
[root@VM-0-6-centos ~]# uname -r
3.10.0-1127.19.1.el7.x86_64
安装Docker：
[root@VM-0-6-centos ~]# sudo wget -qO- https://get.docker.com | sh
安装完成，查看Docker版本：
[root@VM-0-6-centos ~]# docker version
Client: Docker Engine - Community
Version: 20.10.0
API version: 1.41
Go version: go1.13.15
Git commit: 7287ab3
Built: Tue Dec 8 18:57:35 2020
OS/Arch: linux/amd64
Context: default
Experimental: true
Server: Docker Engine - Community
Engine:
Version: 20.10.0
API version: 1.41 (minimum version 1.12)
Go version: go1.13.15
Git commit: eeddea2
Built: Tue Dec 8 18:56:55 2020
OS/Arch: linux/amd64
Experimental: false
containerd:
Version: 1.4.3
GitCommit: 269548fa27e0089a8b8278fc4fc781d7f65a939b
runc:
Version: 1.0.0-rc92
GitCommit: ff819c7e9184c13b7c2607fe6c30ae19403a7aff
docker-init:
Version: 0.19.0
GitCommit: de40ad0
启动Docker服务：
[root@VM-0-6-centos ~]# service docker start
Redirecting to /bin/systemctl start docker.service
查看Docker存储位置：
[root@VM-0-6-centos ~]# docker info
Client:
Context: default
Debug Mode: false
Plugins:
app: Docker App (Docker Inc., v0.9.1-beta3)
buildx: Build with BuildKit (Docker Inc., v0.4.2-docker)
Server:
Containers: 3
Running: 2
Paused: 0
Stopped: 1
Images: 4
Server Version: 20.10.0
Storage Driver: overlay2
Backing Filesystem: extfs
Supports d_type: true
Native Overlay Diff: true
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: 269548fa27e0089a8b8278fc4fc781d7f65a939b
runc version: ff819c7e9184c13b7c2607fe6c30ae19403a7aff
init version: de40ad0
Security Options:
seccomp
Profile: default
Kernel Version: 3.10.0-1127.19.1.el7.x86_64
Operating System: CentOS Linux 7 (Core)
OSType: linux
Architecture: x86_64
CPUs: 1
Total Memory: 1.795GiB
Name: VM-0-6-centos
ID: 5B56:T6YB:6K24:2UZN:NEQG:QYLG:NR2P:SFQA:XNQ7:6UPF:FPFD:DOWR
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
Live Restore Enabled: false
