apt问题汇总

1.sudo apt upgrade 出现报错，信息如下：
The following packages have unmet dependencies ...

• 修改apt配置 vim /etc/apt/source.list
  来源于tuna官网

# 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 https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal main restricted universe multiverse
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal main restricted universe multiverse
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-updates main restricted universe multiverse
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-updates main restricted universe multiverse
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-backports main restricted universe multiverse
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-backports main restricted universe multiverse
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-security main restricted universe multiverse
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-security main restricted universe multiverse

# 预发布软件源，不建议启用
# deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-proposed main restricted universe multiverse
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-proposed main restricted universe multiverse

• 解决办法：
  1 sudo apt --fix-broken install
  2 sudo apt-get update
  3. sudo apt-get upgrade
• 来源自：https://blog.csdn.net/jinguangliu/article/details/78145423

2.pip3 install numpy 出现以下报错
ImportError: cannot import name 'sysconfig'

• 解决办法：https://blog.csdn.net/qq_27366789/article/details/80559074

3.pip3 install numpy 出现以下报错
ATTRIBUTEERROR: MODULE ‘PLATFORM’ HAS NO ATTRIBUTE ‘DIST’

• 定位问题：python3.8会出现的问题，http://www.dbalife.cc/index.php/archives/551
• 解决办法：https://blog.csdn.net/qq_39779233/article/details/106875184