常用短命令记录 - 持续更新

替换 centos7 yum 源为中科大

yum -y install epel-release
sed -e 's|^metalink=|#metalink=|g' -e 's|^#baseurl=https\?://download.fedoraproject.org/pub/epel/|baseurl=https://mirrors.ustc.edu.cn/epel/|g' -e 's|^#baseurl=https\?://download.example/pub/epel/|baseurl=https://mirrors.ustc.edu.cn/epel/|g' -i.bak /etc/yum.repos.d/epel.repo

关闭 selinux

sed -i s#SELINUX=enforcing#SELINUX=disabled# /etc/selinux/config && setenforce  0

docker-ce 最新版安装

yum install -y yum-utils

yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo

yum install docker-ce

modprobe br_netfilter

cat > docker.conf <<EOF
net.bridge.bridge-nf-call-iptables=1
net.bridge.bridge-nf-call-ip6tables=1
net.ipv4.ip_forward=1
EOF

cp docker.conf  /etc/sysctl.d/docker.conf

sysctl -p /etc/sysctl.d/docker.conf

mkdir /etc/docker

cat > /etc/docker/daemon.json <<EOF
{
  "exec-opts": ["native.cgroupdriver=systemd"],
  "log-driver": "json-file",
  "log-opts": {
    "max-size": "100m"
  },
  "insecure-registries": ["harbor.hongfu.com"]
}
EOF

# 选择版本安装
yum list docker-ce --showduplicates | sort -r
yum install docker-ce-18.06.3.ce-3.el7