备份源的配置文件
sudo cp /etc/apt/sources.list /etc/apt/sources.list_backup
编辑源的配置文件
vim /etc/apt/sources.list
把所有内容都删除,只保留最上面的注释就行了(因为怕有格式的问题而不可用,所以就想保留格式。)
#
#deb cdrom `````````
#deb cdrom
把如下的内容复制进文件
deb http://archive.ubuntu.com/ubuntu/ trusty main restricted universe multiverse
deb http://archive.ubuntu.com/ubuntu/ trusty-security main restricted universe multiverse
deb http://archive.ubuntu.com/ubuntu/ trusty-updates main restricted universe multiverse
deb http://archive.ubuntu.com/ubuntu/ trusty-proposed main restricted universe multiverse
deb http://archive.ubuntu.com/ubuntu/ trusty-backports main restricted universe multiverse
deb-src http://archive.ubuntu.com/ubuntu/ trusty main restricted universe multiverse
deb-src http://archive.ubuntu.com/ubuntu/ trusty-security main restricted universe multiverse
deb-src http://archive.ubuntu.com/ubuntu/ trusty-updates main restricted universe multiverse
deb-src http://archive.ubuntu.com/ubuntu/ trusty-proposed main restricted universe multiverse
deb-src http://archive.ubuntu.com/ubuntu/ trusty-backports main restricted universe multiverse
保存并推出即可。
更新一下
sudo apt-get update.
本文详细介绍如何备份并修改Ubuntu系统的软件源配置文件。通过具体的命令和步骤指导用户完成配置,确保软件包更新顺利进行。
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