docker离线安装

1. 下载离线安装包

官方下载安装包： https://download.docker.com/linux/static/stable/x86_64/

本次下载的是docker-18.06.2-ce.tgz

2. 安装

2.1. 准备

安装脚本 install.sh

#!/bin/sh
echo '解压tar包...'
tar -xvf $1
echo '将docker目录移到/usr/bin目录下...'
cp docker/* /usr/bin/
echo '将docker.service 移到/etc/systemd/system/ 目录...'
cp docker.service /etc/systemd/system/
echo '添加文件权限...'
chmod +x /etc/systemd/system/docker.service
echo '重新加载配置文件...'
systemctl daemon-reload
echo '启动docker...'
systemctl start docker
echo '设置开机自启...'
systemctl enable docker.service
echo 'docker安装成功...'
docker -v

卸载脚本uninstall.sh

#!/bin/sh
echo '删除docker.service...'
rm -f /etc/systemd/system/docker.service
echo '删除docker文件...'
rm -rf /usr/bin/docker*
rm -rf /usr/bin/containerd
rm -rf /usr/bin/containerd-shim
rm -rf /usr/bin/ctr
rm -rf /usr/bin/runc
echo '重新加载配置文件'
systemctl daemon-reload
echo '卸载成功...'

系统配置文件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

2.2. 脚本安装

sh install.sh docker-18.06.2-ce.tgz

安装完成后执行docker -v查看是否安装成功，使用docker ps查看docker是否已经启动

2.3. 卸载

sh uninstall.sh

参考
https://docs.docker.com/engine/install/binaries/