一、备份源列表
1 | sudo cp /etc/apt/sources.list /etc/apt/sources.list.bak |
二、命令行打开sources.list文件
1 | sudo vi /etc/apt/sources.list |
三、查看新版本信息
1 | lsb_release -c |
Ubuntu 18 之后的版本如下:
四、修改sources.list文件
1 2 3 4 5 6 7 8 9 10 11 | # 默认注释了源码镜像以提高 apt update 速度,如有需要可自行取消注释 deb http://mirrors.aliyun.com/ubuntu/ bionic main restricted universe multiverse deb-src http://mirrors.aliyun.com/ubuntu/ bionic main restricted universe multiverse deb http://mirrors.aliyun.com/ubuntu/ bionic-security main restricted universe multiverse deb-src http://mirrors.aliyun.com/ubuntu/ bionic-security main restricted universe multiverse deb http://mirrors.aliyun.com/ubuntu/ bionic-updates main restricted universe multiverse deb-src http://mirrors.aliyun.com/ubuntu/ bionic-updates main restricted universe multiverse deb http://mirrors.aliyun.com/ubuntu/ bionic-backports main restricted universe multiverse deb-src http://mirrors.aliyun.com/ubuntu/ bionic-backports main restricted universe multiverse deb http://mirrors.aliyun.com/ubuntu/ bionic-proposed main restricted universe multiverse deb-src http://mirrors.aliyun.com/ubuntu/ bionic-proposed main restricted universe multiverse |
五、更新并升级
1 | sudo apt-get update && sudo apt-get upgrade -y |
六、等待更新完成