docker安裝必須要求Linux內核版本在3.10以上查看內核版本命令
uname -r
1.卸載舊版
yum remove docker \
docker-client \
docker-client-latest \
docker-common \
docker-latest \
docker-latest-logrotate \
docker-logrotate \
docker-engine
2.安裝docker所依賴的包
yum install -y yum-utils \
device-mapper-persistent-data \
lvm2
3.設置穩定的倉庫
yum-config-manager \
--add-repo \
https://download.docker.com/linux/centos/docker-ce.repo
4.安裝最新 docker引擎
yum install docker-ce docker-ce-cli containerd.io
5.啓動docker
systemctl start docker
6.查看是否安裝成功
docker -v
6.1設置開機啓動
7.安裝docker compose(統一管理多個Docker容器)
國內高速鏡像安裝:
curl -L https://get.daocloud.io/docker/compose/releases/download/1.25.4/docker-compose-`uname -s`-`uname -m` > /usr/local/bin/docker-compose
github安裝:
curl -L "https://github.com/docker/compose/releases/download/1.24.1/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose
7.1對二進制文件授予可執行權限
chmod +x /usr/local/bin/docker-compose
7.2創建link
ln -s /usr/local/bin/docker-compose /usr/bin/docker-compose
7.3查詢是否安裝成功
docker-compose -v
8.設置ustc鏡像(鏡像加速器)
8.1編輯或新增
vim /etc/docker/daemon.json
將下面內容copy到文件內
{
"registry-mirrors": ["https://docker.mirrors.ustc.edu.cn"]
}
8.2重啓docker服務
systemctl restart docker