Centos7离线部署docker

下载docker离线包

wget https://download.docker.com/linux/static/stable/x86_64/docker-19.03.5.tgz

解压

tar -xvf docker-19.03.5.tgz

将解压出来的docker目录下的文件移动到 /usr/bin/ 目录下

cp docker/* /usr/bin/

将docker注册为系统service vim /usr/lib/systemd/system/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=onfailure
StartLimitBurst=3
StartLimitInterval=60s
[Install]
WantedBy=multi-user.target

　　

启动docker

启动
chmod +x /usr/lib/systemd/system/docker.service #添加文件权限并启动docker
systemctl daemon-reload #重载unit配置文件

systemctl start docker #启动Docker

加入开机启动项

ln -s /usr/lib/systemd/system/docker.service /etc/systemd/system/multi-user.target.wants/docker.service

检查是否加入开机启动项

systemctl list-unit-files|grep docker