登入PnetLab命令行后通过以下命令将admin账号的密码重置为pnet

echo "update users set password = 'fcfcbba4e322bb69d53fe0f8a2b03d7f3c37ee3fb3d51864785c899aaeaaeb5d' where username = 'admin';" | mysql --host=localhost --user=root --password=pnet pnetlab_db