Linux云服务器安装docker,离线安装和yum安装方式
这里使用yum安装(借鉴了菜鸟教程)
使用 Docker 仓库进行安装
在新主机上首次安装 Docker Engine-Community 之前,需要设置 Docker 仓库。之后,您可以从仓库安装和更新 Docker。
1、设置仓库
安装所需的软件包。yum-utils 提供了 yum-config-manager ,并且 device mapper 存储驱动程序需要 device-mapper-persistent-data 和 lvm2。
sudo yum install -y yum-utils \
device-mapper-persistent-data \
lvm2
2、使用以下命令来设置稳定的仓库(这里我用的阿里云的仓库)。
sudo yum-config-manager \
--add-repo \
http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo
3、安装 Docker Engine-Community
sudo yum install docker-ce docker-ce-cli containerd.io
如果中途报错的话可能缺少一个依赖
可安装(里面的版本可以自己设置):
yum install https://download.docker.com/linux/fedora/30/x86_64/stable/Packages/containerd.io-1.2.6-3.3.fc30.x86_64.rpm
4、启动 Docker。
sudo systemctl start docker
5、通过运行 hello-world 映像来验证是否正确安装了 Docker Engine-Community
sudo docker run hello-world
6、查看版本
docker -v
7、设置开机启动
systemctl enable docker.service
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这里使用了离线安装模式
安装包官方地址:https://download.docker.com/linux/static/stable/x86_64/
如果安装中途报错或者安装不了可尝试先安装一下环境(版本可自己更改):
yum install https://download.docker.com/linux/fedora/30/x86_64/stable/Packages/containerd.io-1.2.6-3.3.fc30.x86_64.rpm
1、创建进入目录
/usr/local/docker
2、可以先下载到本地,然后通过ftp工具上传到服务器上,或者在服务器上使用命令下载
wget https://download.docker.com/linux/static/stable/x86_64/docker-18.06.3-ce.tgz
3、老规矩:解压
tar -zxvf docker-18.06.3-ce.tgz
4、将解压出来的docker文件复制到 /usr/bin/ 目录下
cp docker/* /usr/bin/
5、 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
[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/local/docker/docker --selinux-enabled=false --insecure-registry=127.0.0.1
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
此处的--insecure-registry=127.0.0.1(此处改成你私服ip)设置是针对有搭建了自己私服Harbor时允许docker进行不安全的访问,否则访问将会被拒绝。
chmod +x /etc/systemd/system/docker.service
7、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
8、启动
systemctl start docker
9、设置开机启动
systemctl enable docker.service
10、查看docker服务状态(出现如下图说明安装成功)
systemctl status docker

重启docker,命令:systemctl restart docker
此次离线安装借鉴了此博客👇:
https://www.cnblogs.com/kingsonfu/p/11576797.html
至此docker安装完毕!

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