Ubtun update source

Configuration file update :

1. Open the terminal 【ctrl+alt+t】

2. Back up the original configuration files 【cp /etc/apt/sources.list /etc/apt/sources.list.bak_yyyymmdd】

3. Open profile 【vim /etc/apt/sources.list】

No, vim Can install sudo apt-get install vim

4. Add domestic sources at the end of the configuration file ： Domestic sources are fast , There is no limit to 【 Choose any one below add to 】

5. Entry into force of documents ：【source /etc/profile】

6. Update source and system ：

【sudo apt-get upgrade】

【sudo apt-get update】

7. Restart the system ：【reboot】

# Ali source address

deb ubuntu Installation package download _ Open source image station - Alibaba cloud bionic main restricted universe multiverse

deb ubuntu Installation package download _ Open source image station - Alibaba cloud bionic-security main restricted universe multiverse

deb ubuntu Installation package download _ Open source image station - Alibaba cloud bionic-updates main restricted universe multiverse

deb ubuntu Installation package download _ Open source image station - Alibaba cloud bionic-proposed main restricted universe multiverse

deb ubuntu Installation package download _ Open source image station - Alibaba cloud bionic-backports main restricted universe multiverse

deb-src ubuntu Installation package download _ Open source image station - Alibaba cloud bionic main restricted universe multiverse

deb-src ubuntu Installation package download _ Open source image station - Alibaba cloud bionic-security main restricted universe multiverse

deb-src ubuntu Installation package download _ Open source image station - Alibaba cloud bionic-updates main restricted universe multiverse

deb-src ubuntu Installation package download _ Open source image station - Alibaba cloud bionic-proposed main restricted universe multiverse

deb-src ubuntu Installation package download _ Open source image station - Alibaba cloud bionic-backports main restricted universe multiverse

# Huawei source address

deb https://repo.huaweicloud.com/ubuntu/ focal main restricted

deb https://repo.huaweicloud.com/ubuntu/ focal-updates main restricted

deb https://repo.huaweicloud.com/ubuntu/ focal universe

deb https://repo.huaweicloud.com/ubuntu/ focal-updates universe

deb https://repo.huaweicloud.com/ubuntu/ focal-backports main restricted universe

deb https://repo.huaweicloud.com/ubuntu/ focal-security main restricted

deb https://repo.huaweicloud.com/ubuntu/ focal-security universe

# Source address of China University of science and technology

deb Index of /ubuntu/ bionic main restricted universe multiverse

deb-src Index of /ubuntu/ bionic main restricted universe multiverse

deb Index of /ubuntu/ bionic-updates main restricted universe multiverse

deb-src Index of /ubuntu/ bionic-updates main restricted universe multiverse

deb https://mirrors.ustc.edu.cn/ubuntu/ bionic-backports main restricted universe multiverse

deb-src Index of /ubuntu/ bionic-backports main restricted universe multiverse

deb https://mirrors.ustc.edu.cn/ubuntu/ bionic-security main restricted universe multiverse

deb-src https://mirrors.ustc.edu.cn/ubuntu/ bionic-security main restricted universe multiverse

deb Index of /ubuntu/ bionic-proposed main restricted universe multiverse

deb-src https://mirrors.ustc.edu.cn/ubuntu/ bionic-proposed main restricted universe multiverse

#163 source address

deb Index of /ubuntu/ bionic main restricted universe multiverse

deb Index of /ubuntu/ bionic-security main restricted universe multiverse

deb Index of /ubuntu/ bionic-updates main restricted universe multiverse

deb Index of /ubuntu/ bionic-proposed main restricted universe multiverse

deb Index of /ubuntu/ bionic-backports main restricted universe multiverse

deb-src Index of /ubuntu/ bionic main restricted universe multiverse

deb-src Index of /ubuntu/ bionic-security main restricted universe multiverse

deb-src Index of /ubuntu/ bionic-updates main restricted universe multiverse

deb-src Index of /ubuntu/ bionic-proposed main restricted universe multiverse

deb-src Index of /ubuntu/ bionic-backports main restricted universe multiverse

# Tsinghua source address

deb Index of /ubuntu/ | Tsinghua University open source software image station | Tsinghua Open Source Mirror bionic main restricted universe multiverse

deb-src Index of /ubuntu/ | Tsinghua University open source software image station | Tsinghua Open Source Mirror bionic main restricted universe multiverse

deb Index of /ubuntu/ | Tsinghua University open source software image station | Tsinghua Open Source Mirror bionic-updates main restricted universe multiverse

deb-src Index of /ubuntu/ | Tsinghua University open source software image station | Tsinghua Open Source Mirror bionic-updates main restricted universe multiverse

deb Index of /ubuntu/ | Tsinghua University open source software image station | Tsinghua Open Source Mirror bionic-backports main restricted universe multiverse

deb-src Index of /ubuntu/ | Tsinghua University open source software image station | Tsinghua Open Source Mirror bionic-backports main restricted universe ultiverse

deb Index of /ubuntu/ | Tsinghua University open source software image station | Tsinghua Open Source Mirror bionic-security main restricted universe multiverse

deb-src Index of /ubuntu/ | Tsinghua University open source software image station | Tsinghua Open Source Mirror bionic-security main restricted universe multiverse

deb Index of /ubuntu/ | Tsinghua University open source software image station | Tsinghua Open Source Mirror bionic-proposed main restricted universe multiverse

deb-src Index of /ubuntu/ | Tsinghua University open source software image station | Tsinghua Open Source Mirror bionic-proposed main restricted universe ultiverse

Graphic settings ：

Select one from China , Choose Alibaba cloud for the time being

 

 

  installation is complete