1 更换软件源
ubuntu18.04版本。
修改的sources.list 文件为apt软件包配置地址,路径在/etc/apt/文件夹内。
# 复制文件备份
sudo cp /etc/apt/sources.list /etc/apt/sources.list.bak
#查看系统版本信息
lsb_release -c
#进入修改文件
sudo vim /etc/apt/sources.list
系统版本信息显示的内容要找对应的软件源地址,不然没用。
进入配置文件后替换软件源:
注意格式,注销掉原来的地址
deb http://mirrors.aliyun.com/ubuntu/ bionic main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ bionic-security main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ bionic-updates main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ bionic-proposed main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ bionic-backports main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ bionic main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ bionic-security main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ bionic-updates main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ bionic-proposed main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ bionic-backports main restricted universe multiverse
更新一下软件:
#更新软件列表
sudo apt-get update
# 真正更新
sudo apt-get upgrade
2 安装软件
安装前习惯性先upgrade一下,再安装相应软件:
sudo apt-get upgrade
sudo apt-get install 软件名