Can't open /var/run/atd.pid to signal atd. No atd running?

问题 

计划任务服务

Can't open /var/run/atd.pid to signal atd. No atd running?

已解决

[root@cuixuanguo ~]# yum -y install at

[root@cuixuanguo ~]# chkconfig --level 35 atd on

[root@cuixuanguo ~]# service atd start