cloudera-scm-agent 服务挂掉
cloudera-scm-agent日志查看需要sudo权限
cloudera-scm-agent 服务启动
root 用户下:service cloudera-scm-agent restart
sudo 权限用户:ll /etc/init.d/ |grep cloudera
-rwxr-xr-x 1 root root 6656 Sep 16 2015 cloudera-scm-agent
/etc/init.d/cloudera-scm-agent restart