#安装gcc、g++、c++ #换源说明 https://www.wandouip.com/t5i201379/ #备份原来的源 sudo cp /etc/apt/sources.list /etc/apt/sources_init.list #更换源（全部删除原来的） sudo gedit /etc/apt/sources.list sudo vim /etc/apt/sources.list #文件中添加阿里源 deb http://mirrors.aliyun.com/ubuntu/ xenial main deb-src http://mirrors.aliyun.com/ubuntu/ xenial main deb http://mirrors.aliyun.com/ubuntu/ xenial-updates main deb-src http://mirrors.aliyun.com/ubuntu/ xenial-updates main deb http://mirrors.aliyun.com/ubuntu/ xenial universe deb-src http://mirrors.aliyun.com/ubuntu/ xenial universe deb http://mirrors.aliyun.com/ubuntu/ xenial-updates universe deb-src http://mirrors.aliyun.com/ubuntu/ xenial-updates universe deb http://mirrors.aliyun.com/ubuntu/ xenial-security main deb-src http://mirrors.aliyun.com/ubuntu/ xenial-security main deb http://mirrors.aliyun.com/ubuntu/ xenial-security universe deb-src http://mirrors.aliyun.com/ubuntu/ xenial-security universe #更新源 sudo apt-get update sudo apt-get -f install sudo apt-get upgrade #下载 apt-get install gcc #（ignore missing） sudo apt-get install --fix-missing #安装build-essential软件包 sudo apt-get install build-essential #另一种下载工具-aptitude sudo aptitude install g++ #移除包 sudo aptitude remove libc6 #查看是否有该环境 gcc -v
