一、docker安装
安装需要的
yum -y install gcc
yum -y install gcc-c++
1:卸载旧的版本
sudo yum remove docker \
docker-client \
docker-client-latest \
docker-common \
docker-latest \
docker-latest-logrotate \
docker-logrotate \
docker-engine
2:设置存储库
sudo yum install -y yum-utils
sudo yum-config-manager \
--add-repo \
https://download.docker.com/linux/centos/docker-ce.repo
3:安装 Docker 引擎 (最新版本)
sudo yum install docker-ce docker-ce-cli containerd.io
4:启动docker
sudo systemctl start docker
5:验证
docker --version
6:配置阿里云的镜像加速器
sudo mkdir -p /etc/docker
sudo tee /etc/docker/daemon.json <<-'EOF'
{
"registry-mirrors": ["https://wwecv9pf.mirror.aliyuncs.com"]
}
EOF
sudo systemctl daemon-reload
sudo systemctl restart docker
7:常用命令
# 启动docker:
systemctl start docker
# 停止docker:
systemctl stop docker
# 重启docker:
systemctl restart docker
# 查看docker状态:
systemctl status docker
# 开机启动:
systemctl enable docker
# 查看docker概要信息
docker info
# 查看docker帮助文档
docker --help