就在最后一步的时候 输入 ocserv -c /etc/ocserv/ocserv.conf ======================== 报错如下: listening (TCP) on 0.0.0.0:9000... bind() failed: Address already in use listening (TCP) on [::]:9000... bind() failed: Address already in use Could not listen to any TCP or UNIX ports ======================== 教程参考的是: http://www.aicode.me/centos6shang-da-jian-fan-qiang-fu-wu/