Debian 10 更换163源并安装Java 8和maven记录
新安装的Debian 10，需要对安装源镜像地址进行修改
因为在国内，个人使用感觉163的源最快，最稳定。。。
备份系统的安装源地址，方便有需要时候恢复使用
mv /etc/apt/sources.list /etc/apt/sources.list_back_20200401
创建新的163源地址
vi /etc/apt/sources.list
添加下面地址
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deb http://mirrors.163.com/debian/ stretch main non-free contrib
deb http://mirrors.163.com/debian/ stretch-updates main non-free contrib
deb http://mirrors.163.com/debian/ stretch-backports main non-free contrib
deb-src http://mirrors.163.com/debian/ stretch main non-free contrib
deb-src http://mirrors.163.com/debian/ stretch-updates main non-free contrib
deb-src http://mirrors.163.com/debian/ stretch-backports main non-free contrib
deb http://mirrors.163.com/debian-security/ stretch/updates main non-free contrib
deb-src http://mirrors.163.com/debian-security/ stretch/updates main non-free contrib
apt-get update && apt-get upgrade
更新系统镜像。。。
安装Java和maven
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apt-get install openjdk-8-jdk
apt-get install maven
mvn -version //查看maven版本
java -v //查看Java的版本