Docker

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腾讯云服务器安装docker

云服务器 搭建 Docker-实践教程

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yum-config-manager --add-repo=https://mirrors.cloud.tencent.com/docker-ce/linux/centos/docker-ce.repo
yum update
yum list docker-ce
yum install -y docker-ce
docker info
systemctl start docker

安装redis

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docker run -itd --network host --name redis redis

YUM 源更新

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#备份
mkdir /etc/yum.repos.d/backup
mv /etc/yum.repos.d/*.repo /etc/yum.repos.d/backup/

#获取配置
centos6：
wget -O /etc/yum.repos.d/CentOS-Base.repo https://mirrors.cloud.tencent.com/repo/centos6_base.repo
centos7：
wget -O /etc/yum.repos.d/CentOS-Base.repo https://mirrors.tencent.com/repo/centos7_base.repo

#生成缓存
yum clean all && yum makecache

#也可尝试阿里源
http://mirrors.aliyun.com/repo/Centos-7.repo