安装工具包
yum install net-tools wget zip unzip vim-enhanced net-tools -y
更新yum源
#先进入源的目录
cd /etc/yum.repo.d 或者/etc/yum.repos.d
#备份一下官方源
mv CentOS-Base.repo CentOS-Base.repo.bak
#将阿里源文件下载下来
wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo
#重建源数据缓存
yum makecache
ok,换源完成#查看安装后的yum源
yum repolist公共依赖
yum install build-essential openssl openssl-devel unixODBC unixODBC-devel make gcc gcc-c++ kernel-devel m4 ncurses-devel tk tc xz
linux6/7 下载、安装、配置JDK
https://gblfy.blog.csdn.net/article/details/104429254
