centos7在线/离线安装docker
在线安装
安装yum-utils软件包
yum -y install yum-utils
设置docker镜像源:
yum-config-manager --add-repo http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo
更新yum软件包索引:
yum makecache fast
yum repolist
# 查看所有仓库中的所有docker版本,并排序:
yum list docker-ce --showduplicates | sort -r
安装docker:
yum -y install docker-ce docker-ce-cli containerd.io
启动docker:
systemctl start docker
systemctl status docker | grep running
设置开机自启
systemctl enable docker
查看docker版本
docker -v
测试docker:
docker run hello-world
docker images
离线安装
下载docker离线安装包:
- 官网下载地址:https://download.docker.com/linux/static/stable/x86_64/
- 阿里云镜像下载地址:https://mirrors.aliyun.com/docker-ce/linux/static/stable/x86_64/
解压离线安装包:
tar -xf docker-24.0.6.tgz
将docker相关命令复制至/usr/bin目录下:
cp -a docker/* /usr/bin/
将docker注册为系统服务:
# 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
ExecStart=/usr/bin/dockerd
ExecReload=/bin/kill -s HUP
$MAINPID
TimeoutStartSec=0
RestartSec=2
Restart=always
StartLimitBurst=3
StartLimitInterval=60s
LimitNOFILE=infinity
LimitNPROC=infinity
LimitCORE=infinity
TasksMax=infinity
Delegate=yes
KillMode=process
OOMScoreAdjust=-500
[Install]
WantedBy=multi-user.target
重载配置文件并启动docker:
systemctl daemon-reload
systemctl start docker
systemctl status docker | grep running
设置开机自启:
systemctl enable docker
....以下步骤省略,参考在线安装
docker其它简单配置
配置docker镜像加速:
- 配置文件/etc/docker/daemon.json默认不存在
# mkdir -pv /etc/docker
# vim /etc/docker/daemon.json
{
"registry-mirrors":["https://d8b3zdiw.mirror.aliyuncs.com"]
}
systemctl daemon-reload
systemctl restart docker
修改docker文件存储位置:
- docker文件默认存储位置为/var/lib/docker
docker info | grep 'Docker Root Dir'
# mkdir -pv /data/docker
# vim /etc/docker/daemon.json
{
"registry-mirrors":["https://d8b3zdiw.mirror.aliyuncs.com"],
"data-root": "/data/docker"
}
systemctl daemon-reload
systemctl restart docker
docker info | grep 'Docker Root Dir'
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centos7在线/离线安装docker
在线安装
安装yum-utils软件包
yum -y install yum-utils
设置docker镜像源:
yum-config-manager --add-repo http://mirrors.aliyun.com/docker-ce/linux/cen……
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