Centos8安装docker18.xx.x

  • Z时代
  • 2024-01-10
  • 分类：综合

编程

# 添加docker用户, 并把当前用户添加到docker组内, 是为了当前用户拥有操作docker的权限
sudo useradd -m docker
sudo usermod -a -G docker k8s
# 关闭防火墙
sudo systemctl stop firewalld
sudo systemctl disable firewalld
# 修改iptables
sudo iptables -P FORWARD ACCEPT
sudo vim /etc/rc.local 添加 iptables -P FORWARD ACCEPT
# 下载解压docker
cd /opt
sudo wget https://download.docker.com/linux/static/stable/x86_64/docker-18.09.9.tgz
sudo tar xvf docker-18.09.9.tgz
sudo chown -R root:docker docker
# 创建systemd unit文件
cd /opt/docker
cat > docker.service <<"EOF"
[Unit]
Description=Docker Application Container Engine
Documentation=http://docs.docker.io
[Service]
WorkingDirectory=/opt/docker
Environment="PATH=/opt/docker:/bin:/sbin:/usr/bin:/usr/sbin"
EnvironmentFile=-/run/flannel/docker
ExecStart=/opt/docker/dockerd $DOCKER_NETWORK_OPTIONS
ExecReload=/bin/kill -s HUP $MAINPID
Restart=on-failure
RestartSec=5
LimitNOFILE=infinity
LimitNPROC=infinity
LimitCORE=infinity
Delegate=yes
KillMode=process
[Install]
WantedBy=multi-user.target
EOF
# 复制docker.service
sudo cp docker.service /etc/systemd/system/
# 启动docker服务
sudo systemctl daemon-reload
sudo systemctl enable docker 
sudo systemctl restart docker
# 修改docker.sock权限
sudo chown root:docker /var/run/docker.sock

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