ubuntu20.04 LTS系统默认源sources.list文件的修改

 更新时间:2020年8月24日 08:36  点击:2522

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

到此这篇关于ubuntu20.04 LTS系统默认源sources.list文件的修改的文章就介绍到这了,更多相关ubuntu20.04 LTS sources.list内容请搜索猪先飞以前的文章或继续浏览下面的相关文章希望大家以后多多支持猪先飞!

[!--infotagslink--]

相关文章

  • Ubuntu20.04安装cuda10.1的步骤(图文教程)

    这篇文章主要介绍了Ubuntu20.04安装cuda10.1的步骤(图文教程),文中通过示例代码介绍的非常详细,对大家的学习或者工作具有一定的参考学习价值,需要的朋友们下面随着小编来一起学习学习吧...2020-07-30
  • Ubuntu20.04开启root账户的方法步骤

    这篇文章主要介绍了Ubuntu20.04开启root账户的方法步骤,文中通过示例代码介绍的非常详细,对大家的学习或者工作具有一定的参考学习价值,需要的朋友们下面随着小编来一起学习学习吧...2020-07-30
  • ubuntu20.04 LTS系统默认源sources.list文件的修改

    这篇文章主要介绍了ubuntu20.04 LTS系统默认源sources.list文件的修改,文中通过示例代码介绍的非常详细,对大家的学习或者工作具有一定的参考学习价值,需要的朋友们下面随着小编来一起学习学习吧...2020-08-24
  • Ubuntu20.04防火墙设置简易教程(小白)

    这篇文章主要介绍了Ubuntu20.04防火墙设置简易教程(小白),文中通过示例代码介绍的非常详细,对大家的学习或者工作具有一定的参考学习价值,需要的朋友们下面随着小编来一起学习学习吧...2020-07-30
  • Ubuntu 20.04 CUDA&cuDNN安装方法(图文教程)

    这篇文章主要介绍了Ubuntu 20.04 CUDA&cuDNN安装方法(图文教程),文中通过图文代码介绍的非常详细,对大家的学习或者工作具有一定的参考学习价值,需要的朋友们下面随着小编来一起学习学习吧...2020-07-29
  • 修改ubuntu 18.04的sources.list源为阿里或清华镜像的方法

    这篇文章主要介绍了修改ubuntu 18.04的sources.list源为阿里或清华镜像的方法,文中通过示例代码介绍的非常详细,对大家的学习或者工作具有一定的参考学习价值,需要的朋友们下面随着小编来一起学习学习吧...2020-08-24
  • ubuntu20.04中文输入法安装步骤

    这篇文章主要介绍了ubuntu20.04中文输入法安装步骤,文中通过图文介绍的非常详细,对大家的学习或者工作具有一定的参考学习价值,需要的朋友们下面随着小编来一起学习学习吧...2020-07-30
  • Ubuntu20.04环境安装tensorflow2的方法步骤

    这篇文章主要介绍了Ubuntu20.04环境安装tensorflow2的实现,文中通过示例代码介绍的非常详细,对大家的学习或者工作具有一定的参考学习价值,需要的朋友们下面随着小编来一起学习学习吧...2021-01-29
  • 详解ubuntu 20.04 LTS安装记录

    这篇文章主要介绍了ubuntu 20.04 LTS安装记录,文中通过示例代码介绍的非常详细,对大家的学习或者工作具有一定的参考学习价值,需要的朋友们下面随着小编来一起学习学习吧...2020-07-30