2018年3月28日航海日志

1.修改ubantu安装源 地址

    第一步:备份文件 

                sudo cp /etc/apt/source.list /etc/apt/source.list.bak

    第二步:修改文件

                sudo gedit /etc/apt/sources.list (初学vim 使用不是很溜 所以用gedit)

    第三步:复制内容 注意可能和ubantu版本有关系  会出现问题 

#网易  16.04版本

deb http://mirrors.163.com/ubuntu/ xenial main restricted universe multiverse
deb http://mirrors.163.com/ubuntu/ xenial-security main restricted universe multiverse
deb http://mirrors.163.com/ubuntu/ xenial-updates main restricted universe multiverse
deb http://mirrors.163.com/ubuntu/ xenial-proposed main restricted universe multiverse
deb http://mirrors.163.com/ubuntu/ xenial-backports main restricted universe multiverse
deb-src http://mirrors.163.com/ubuntu/ xenial main restricted universe multiverse
deb-src http://mirrors.163.com/ubuntu/ xenial-security main restricted universe multiverse
deb-src http://mirrors.163.com/ubuntu/ xenial-updates main restricted universe multiverse
deb-src http://mirrors.163.com/ubuntu/ xenial-proposed main restricted universe multiverse

deb-src http://mirrors.163.com/ubuntu/ xenial-backports main restricted universe multiverse

    第四步:sudo apt-get update

    第五步:sudo apt-get insatll sl   安装一个命令 进行测试