docker离线安装+升级
# docker 离线安装
# docker 离线安装
# 1. 下载安装包
选择对应版本下载
wget https://download.docker.com/linux/static/stable/x86_64/docker-20.10.17.tgz
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# 2. 解压
tar -zxvf docker-20.10.17.tgz
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# 3. 将解压出来的docker文件复制到 /usr/bin/ 目录下
cp docker/* /usr/bin/
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如果提示 cp：是否覆盖'/usr/bin/runc'？ 选择否，否则docker无法正常运行！！！
如果提示 cp：是否覆盖'/usr/bin/runc'？ 选择否，否则docker无法正常运行！！！
如果提示 cp：是否覆盖'/usr/bin/runc'？ 选择否，否则docker无法正常运行！！！
# 4. 在/etc/systemd/system/目录下新增docker.service文件，内容如下，这样可以将docker注册为service服务
cat >/etc/systemd/system/docker.service<<EOF
[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 --selinux-enabled=false
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
EOF
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给docker.service文件添加执行权限
chmod +x /etc/systemd/system/docker.service
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重新加载配置文件（每次有修改docker.service文件时都要重新加载下）
systemctl daemon-reload
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# 5. 启动 docker
#启动
systemctl start docker
#设置开机启动
systemctl enable docker.service
#查看docker服务状态
systemctl status docker
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上面显示 Active: active (running) 表示 docker 已安装成功
# 6. 配置 docker 国内镜像地址
vim /etc/docker/daemon.json
{
"registry-mirrors": ["https://registry.docker-cn.com"]
}
systemctl restart docker
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首页点击 创建我的容器镜像 得到一个专属的镜像加速地址，类似于 https://1234abcd.mirror.aliyuncs.com
# docker 离线升级
# 1. 下载安装包
wget https://download.docker.com/linux/static/stable/x86_64/docker-20.10.17.tgz
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# 2. 解压并停止 docker
#解压
tar -zxvf docker-20.10.17.tgz
#停止docker
sudo systemctl stop docker
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# 3. 将解压出来的 docker 文件复制到 /usr/bin/ 目录下
sudo cp docker/* /usr/bin/
1
如果提示 cp：是否覆盖'/usr/bin/runc'？ 选择否，否则docker无法正常运行！！！
如果提示 cp：是否覆盖'/usr/bin/runc'？ 选择否，否则docker无法正常运行！！！
如果提示 cp：是否覆盖'/usr/bin/runc'？ 选择否，否则docker无法正常运行！！！
# 4. 重新启动 docker
#启动
sudo systemctl start docker
#查看docker服务状态
sudo systemctl status docker
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上面显示 Active: active (running) 表示 docker 已升级成功
上次更新: 2024/05/11, 03:55:33
