monit

環境 [#dbc97fa3]

CentoS6

httpd [#r0c93307]

 # cd /etc/monit.d
 # vim httpd.rc
 ---
 check process httpd
      with pidfile "/var/run/httpd/httpd.pid"
      start program "/etc/init.d/httpd start"
      stop program "/etc/init.d/httpd stop"
      if failed
         host サイトURL（もし名前解決できないテスト用のURLだった場合はhostsに記載しておく）
         port 80
         protocol http
      then restart
      if 5 restarts within 5 cycles then timeout
 ---
 # monit -t
 Control file syntax OK
 # service monit restart
 monit を停止中:                                            [  OK  ]
 monit を起動中:                                            [  OK  ]
 # monit status
 The Monit daemon 5.14 uptime: 0m
 
 Process 'httpd'
  status                            Running
  monitoring status                 Monitored
  pid                               16903
  parent pid                        1
  uid                               0
  effective uid                     0
  gid                               0
  uptime                            3m
  children                          8
  memory                            11.4 MB
  memory total                      66.1 MB
  memory percent                    0.3%
  memory percent total              2.2%
  cpu percent                       0.0%
  cpu percent total                 0.0%
  port response time                0.003s to [サイトURLがここに表示]:80 type TCP/IP protocol HTTP
  data collected                    Wed, 16 Dec 2015 17:40:48

postfix [#le9f0edc]

 # cd /etc/monit.d
 # vim postfix.rc
 ---
 check process postfix with pidfile /var/spool/postfix/pid/master.pid
  group mail
  start program = "/etc/init.d/postfix start"
  stop program = "/etc/init.d/postfix stop"
  if failed port 25 protocol smtp then restart
  if 5 restarts within 5 cycles then timeout
 --- 
 # monit -t
 Control file syntax OK
 # service monit restart
 monit を停止中:                                            [  OK  ]
 monit を起動中:                                            [  OK  ]
 # monit summary
 Process 'postfix'                   Running