RHEL7.9激活(可省略)

# 注冊
subscription-manager register?--username=your_username ?--password=your_password ?--auto-attach
# 查看訂閱狀態
subscription-manager list
# 將 “enabled=1” 改為 “enabled=0”
vi?/etc/yum/pluginconf.d/subscription-manager.conf

配置阿里云yum源

cd?/etc/yum.repo.d
# 備份原repo
mv?/etc/yum.repos.d/*.repo /etc/yum.repos.d/*.repo.bak
# 下載新repo,可下載后上傳: “http://mirrors.aliyun.com/repo/Centos-7.repo”
wget?-O?/etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo
# 修改配置?
sed?-i?'s/$releasever/7/g'?/etc/yum.repos.d/CentOS-Base.repo

配置阿里云epel源

# 可下載后上傳: “https://mirrors.aliyun.com/repo/epel-7.repo”
wget?-O?/etc/yum.repos.d/epel.repo https://mirrors.aliyun.com/repo/epel-7.repo

ansible依賴打包至離線環境并安裝

# 利用yum的yum-downloadonly插件將所有的依賴下載下來
yum install?-y? ansible ?--downloadonly?--downloaddir=/root/ansible
# 打包并上傳到目標環境
tar zcvf ansible.tar.gz ~/ansible
# 解壓安裝包并進入安裝包
tar zxvf ansible.tar.gz &&?cd?ansible
# 安裝ansible
yum localinstall *.rpm
# 檢測是否安裝成功
ansible?--version