Your python3 install is corrupted. Please fix the ‘/usr/bin/python3‘
参考：https://askubuntu.com/questions/1104052/your-python3-install-is-corrupted?newreg=5e411af9bb55493a93c5b16f7ba38b93
createuser -s dbuser
createdb -O dbuser mydb
postgres=#alter user postgres with password ‘new password‘;
do-release-upgrade升级笔记
原文：https://www.cnblogs.com/dhcn/p/10586588.html
