ubuntu20.04 LTS系统默认源sources.list文件的修改
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2022-09-01 08:37:23
如果不慎修改了source.list内容,导致一系列错误,建议恢复默认源文件。sudo gedit /etc/apt/sources.list然后把下面默认源内容复制进去ubuntu20.lts系统默...
如果不慎修改了source.list内容,导致一系列错误,建议恢复默认源文件。
sudo gedit /etc/apt/sources.list
然后把下面默认源内容复制进去
ubuntu20.lts系统默认源sources.list文件内容
#deb cdrom:[ubuntu 20.04 lts _focal fossa_ - release amd64 (20200423)]/ focal main restricted # see http://help.ubuntu.com/community/upgradenotes for how to upgrade to # newer versions of the distribution. deb http://cn.archive.ubuntu.com/ubuntu/ focal main restricted # deb-src http://cn.archive.ubuntu.com/ubuntu/ focal main restricted ## major bug fix updates produced after the final release of the ## distribution. deb http://cn.archive.ubuntu.com/ubuntu/ focal-updates main restricted # deb-src http://cn.archive.ubuntu.com/ubuntu/ focal-updates main restricted ## n.b. software from this repository is entirely unsupported by the ubuntu ## team. also, please note that software in universe will not receive any ## review or updates from the ubuntu security team. deb http://cn.archive.ubuntu.com/ubuntu/ focal universe # deb-src http://cn.archive.ubuntu.com/ubuntu/ focal universe deb http://cn.archive.ubuntu.com/ubuntu/ focal-updates universe # deb-src http://cn.archive.ubuntu.com/ubuntu/ focal-updates universe ## n.b. software from this repository is entirely unsupported by the ubuntu ## team, and may not be under a free licence. please satisfy yourself as to ## your rights to use the software. also, please note that software in ## multiverse will not receive any review or updates from the ubuntu ## security team. deb http://cn.archive.ubuntu.com/ubuntu/ focal multiverse # deb-src http://cn.archive.ubuntu.com/ubuntu/ focal multiverse deb http://cn.archive.ubuntu.com/ubuntu/ focal-updates multiverse # deb-src http://cn.archive.ubuntu.com/ubuntu/ focal-updates multiverse ## n.b. software from this repository may not have been tested as ## extensively as that contained in the main release, although it includes ## newer versions of some applications which may provide useful features. ## also, please note that software in backports will not receive any review ## or updates from the ubuntu security team. deb http://cn.archive.ubuntu.com/ubuntu/ focal-backports main restricted universe multiverse # deb-src http://cn.archive.ubuntu.com/ubuntu/ focal-backports main restricted universe multiverse ## uncomment the following two lines to add software from canonical's ## 'partner' repository. ## this software is not part of ubuntu, but is offered by canonical and the ## respective vendors as a service to ubuntu users. # deb http://archive.canonical.com/ubuntu focal partner # deb-src http://archive.canonical.com/ubuntu focal partner deb http://security.ubuntu.com/ubuntu focal-security main restricted # deb-src http://security.ubuntu.com/ubuntu focal-security main restricted deb http://security.ubuntu.com/ubuntu focal-security universe # deb-src http://security.ubuntu.com/ubuntu focal-security universe deb http://security.ubuntu.com/ubuntu focal-security multiverse # deb-src http://security.ubuntu.com/ubuntu focal-security multiverse # this system was installed using small removable media # (e.g. netinst, live or single cd). the matching "deb cdrom" # entries were disabled at the end of the installation process. # for information about how to configure apt package sources, # see the sources.list(5) manual.
可以有效解决很多报错
sudo apt update
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