我尝试了几乎所有命令来杀死gunicorn服务器。但没有任何工作。我怎样才能杀死这些进程并释放80端口
12652 ? Ss 0:00 sudo gunicorn -b 0.0.0.0:80 foss.wsgi:application
12654 ? S 0:00 /usr/bin/python /usr/local/bin/gunicorn -b 0.0.0.0:80 foss.wsgi:application
12659 ? S 0:00 /usr/bin/python /usr/local/bin/gunicorn -b 0.0.0.0:80 foss.wsgi:application
12709 ? Ss 0:00 sudo gunicorn -b 0.0.0.0:80 foss.wsgi:application
12711 ? S 0:00 /usr/bin/python /usr/local/bin/gunicorn -b 0.0.0.0:80 foss.wsgi:application
12717 pts/11 S+ 0:00 grep --color=auto gunicorn