刚安装完PHP，启动时报错：

# /etc/init.d/php-fpm start

Starting php-fpm [15-Apr-2017 13:21:13] ERROR: unable to bind listening socket for address ‘127.0.0.1:9000‘: Address already in use (98)

[15-Apr-2017 13:21:13] ERROR: FPM initialization failed

 failed

解决方法：

# netstat -anp | grep 9000

# killall php-fpm

# /etc/init.d/php-fpm start

Starting php-fpm  done    成功启动

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ERROR: unable to bind listening socket for address '127.0.0.1:9000': Address already in use (98)