centos7.2环境下安装php5.6.17。
启动失败。
Job for php-fpm.service failed because the control process exited with error code. See "systemctl status php-fpm.service" and "journalctl -xe" for details.
查看错误提示：cannot get uid for user 'www'
查看#id www
提示id：www：no such user
解决方案：执行以下语句
curl -s https://raw.githubusercontent.com/oscm/shell/master/os/user/www.sh | bash
再次查看#id www
uid=80(www) gid=80(www) groups=80(www)
启动php-fpm成功
#systemctl start php-fpm.service