linux下离线安装docker

1.下载离线安装包

https://download.docker.com/linux/static/stable/x86_64/

2.解压安装包

[root@hecs-268630 docker]# tar -xvf docker-20.10.9.tgz

3.将解压的文件复制到/usr/bin/目录下

[root@hecs-268630 docker]# cp docker/* /usr/bin/

4.将docker注册为service，在/etc/systemd/system目录下创建docker.service文件,配置如下内容

[root@hecs-268630 system]# vim docker.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
# the default is not to use systemd for cgroups because the delegate issues still
# exists and systemd currently does not support the cgroup feature set required
# for containers run by docker
ExecStart=/usr/bin/dockerd
ExecReload=/bin/kill -s HUP $MAINPID
# Having non-zero Limit*s causes performance problems due to accounting overhead
# in the kernel. We recommend using cgroups to do container-local accounting.
LimitNOFILE=infinity
LimitNPROC=infinity
LimitCORE=infinity
# Uncomment TasksMax if your systemd version supports it.
# Only systemd 226 and above support this version.
#TasksMax=infinity
TimeoutStartSec=0
# set delegate yes so that systemd does not reset the cgroups of docker containers
Delegate=yes
# kill only the docker process, not all processes in the cgroup
KillMode=process
# restart the docker process if it exits prematurely
Restart=on-failure
StartLimitBurst=3
StartLimitInterval=60s

[Install]
WantedBy=multi-user.target

5.添加文件权限启动docker

[root@hecs-268630 system]# vim docker.service 
[root@hecs-268630 system]# chmod +x /etc/systemd/system/docker.service
[root@hecs-268630 system]# chmod +x /etc/systemd/system/docker.service
[root@hecs-268630 system]# systemctl start docker 
[root@hecs-268630 system]# systemctl enable docker.service

6.查看docker状态

[root@hecs-268630 system]# systemctl status docker

[root@hecs-268630 system]# docker -v