东湖之滨 发表于 2024-11-29 16:06:07

离线安装docker

在内网情况下,一般不能联网能在线部署,这时候就需要以离线的方式安装docker。本节内容重要总结离线安装docker的步骤。

1. 下载docker安装包

官方地点:https://download.docker.com/linux/static/stable/x86_64/docker-20.10.12.tgz
由于之前已经下载过,当前文件夹已经提供docker-20.10.12.tgz 可以直接进行利用

2. 解压缩

# tar -zxvf docker-20.10.12.tgz

3. 解压的docker文件夹全部移动至/usr/bin目录

# cp -p docker/* /usr/bin

4. 将docker注册为体系服务

① 在/usr/lib/systemd/system/目录下,创建docker.service文件
② 编辑docker.service文件
vi /usr/lib/systemd/system/docker.service   
Description=Docker Application Container Engine
Documentation=http://docs.docker.com
After=network.target docker.socket

Type=notify
EnvironmentFile=-/run/flannel/docker
WorkingDirectory=/usr/local/bin
ExecStart=/usr/bin/dockerd \
                -H tcp://0.0.0.0:4243 \
                -H unix:///var/run/docker.sock \
                --selinux-enabled=false \
                --log-opt max-size=1g
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=on-failure

WantedBy=multi-user.target

5. 重启生效

重启守护进程
   # systemctl daemon-reload

# systemctl start docker

检察docker状态

# systemctl status docker


 设置开机启动

#systemctl enable docker


   docker version
https://i-blog.csdnimg.cn/direct/0d1e94e9324d423a939709d4a0dd2e5b.png

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