Ubuntu18.04执行sudo apt-get update时报错:
bug:
sh: 1: /usr/lib/cnf-update-db: not found
Reading package lists... Done
E: Problem executing scripts APT::Update::Post-Invoke-Success 'if /usr/bin/test -w /var/lib/command-not-found/ -a -e /usr/lib/cnf-update-db; then /usr/lib/cnf-update-db > /dev/null; fi'
E: Sub-process returned an error code
解决方法:
1.vi /usr/lib/cnf-update-db
2.#!/usr/bin/python3.6 #改成系统默认的python版本
3.sudo apt-get update
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