unable to bind listening socket for address '127.0.0.1:9090': Address already in use (98)

unable to bind listening socket for address '127.0.0.1:9090': Address already in use (98) 

php-fpm 启动错误

9090 端口被占用，所以查看端口被谁占用

sudo netstat -lntup | grep 9090

这个命令才好使

然后pkill掉它

然后重启，OK了