各个版本Docker地址:https://download.docker.com/linux/static/stable/x86_64/
一、下载安装包
#1.进入软件下载目录,下载Docker-20.10.9安装包
[root@staging ~]# cd /data/software/
[root@staging software]# wget https://download.docker.com/linux/static/stable/x86_64/docker-20.10.9.tgz
#2.查看下载的安装包
[root@staging software]# ll -h
total 17G
-rw-r--r-- 1 root root 61M Oct 25 16:19 docker-20.10.9.tgz
二、解压安装包
#1.解压安装包到/data2目录下
[root@staging software]# tar xf docker-20.10.9.tgz -C /data2/
[root@staging software]# cd /data2
#2.重命名docker目录
[root@staging data2]# mv docker docker-20.10.9
三、做软连接
[root@staging data2]# ln -s docker-20.10.9 docker
[root@staging data2]# ll
total 14515840
lrwxrwxrwx 1 root root 14 Oct 27 11:27 docker -> docker-20.10.9
drwxrwxr-x 2 root root 169 Oct 5 00:08 docker-20.10.9
四、配置环境变量
[root@staging docker]# vi /etc/profile.d/docker.sh
export PATH=/data2/docker:$PATH
[root@staging docker]# source /etc/profile.d/docker.sh
五、配置system启动
[root@staging docker]# vi /usr/lib/systemd/system/docker_new.service
[Unit]
Description=Docker Application Container Engine
Documentation=https://docs.docker.com
After=network-online.target firewalld.service
Wants=network-online.target
[Service]
Type=notify
ExecStart=/data2/docker/dockerd
ExecReload=/bin/kill -s HUP $MAINPID
LimitNOFILE=infinity
LimitNPROC=infinity
TimeoutStartSec=0
Delegate=yes
KillMode=process
Restart=on-failure
StartLimitBurst=3
StartLimitInterval=60s
[Install]
WantedBy=multi-user.target
六、启动dockerd服务进程
[root@staging docker]# systemctl daemon-reload
[root@staging docker]# systemctl enable --now docker_new.service
七、验证Docker服务
[root@staging ~]# 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: 0
Running: 0
Paused: 0
Stopped: 0
Images: 0
Server Version: 20.10.9
Storage Driver: overlay2
Backing Filesystem: xfs
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: 3.10.0-1160.15.2.el7.x86_64
Operating System: CentOS Linux 7 (Core)
OSType: linux
Architecture: x86_64
CPUs: 4
Total Memory: 15.47GiB
Name: staging
ID: YYU2:DJRP:A2PK:CS2C:MMCJ:FSXI:Y6F5:OQKI:NWWE:6BQB:JZZC:YOD6
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