icinga의 WebUI에서 명령 오류 처리

Error: Could not open command file '/var/icinga/rw/icinga.cmd' for update!

$ id apache
uid=48(apache) gid=48(apache) 所属グループ=48(apache),493(icingacmd)

$ ls -lh /var/icinga/rw/icinga.cmd
prw-rw---- 1 icinga 501 0  1月 27 07:59 /var/icinga/rw/icinga.cmd

$ sudo chown :icingacmd /var/icinga/rw/icinga.cmd

$ ls -l /var/icinga/rw/icinga.cmd
prw-rw---- 1 icinga icingacmd 0  1月 27 07:59 /var/icinga/rw/icinga.cmd

chmod g+x /var/lib/nagios3/rw/