nagios监控自身-创新互联
nagios 监控自身
定义监控命令 commands.cfg
vim /usr/local/nagios/etc/objects/commands.cfg
#local_server check-host-alive command definition
define command{
command_name xxx #定义监控的名字（自定义）
command_line xxx #定义命令具体实现的功能 $USER1$ = /usr/local/nagios/libexec/ 变量在/usr/local/nagios/etc/resource.cfg中定义
}
#local_server check-host-alive command definition
define command{
command_name check-host-alive
command_line $USER1$/ping -H $HOSTADDRESS$ -w 3000.0,80% -c 5000.0,100% -p 5
}
定义监控对象 localhost.cfg
Localhost.cfg相当于是一个监控LINUX主机的模板，如果需要监控其他LINUX主机，可以把这个文件复制一份进行修改。
cp localhost.cfg linux.cfg
vim linux.cfg
define host {
use 监控使用的模板
host_name 被监控主机的主机名
alias 被监控主机别名
address 被监控主机IP地址
}
define host{
use linux-server
host_name localhost
alias localhost
address 127.0.0.1
}
use linux-server:加载linux-server的配置（linux-server已在templates.cfg中定义）
use local-service:加载local-service的配置（已在templates.cfg中定义）
查看templates.cfg：
define host{
name linux-server ; The name of this host template
use generic-host ; This template inherits other values from the generic-host template
check_period 24x7 ; By default, Linux hosts are checked round the clock
check_interval 5 ; Actively check the host every 5 minutes
retry_interval 1 ; Schedule host check retries at 1 minute intervals
max_check_attempts 10 ; Check each Linux host 10 times (max)
check_command check-host-alive ; Default command to check Linux hosts
notification_period workhours ; Linux admins hate to be woken up, so we only notify during the day
; Note that the notification_period variable is being overridden from
; the value that is inherited from the generic-host template!
notification_interval 120 ; Resend notifications every 2 hours
notification_options d,u,r ; Only send notifications for specific host states
contact_groups admins ; Notifications get sent to the admins by default
register 0 ; DONT REGISTER THIS DEFINITION - ITS NOT A REAL HOST, JUST A TEMPLATE!
}
check_periaod 24X7: 检测的时间段为24X7，24X7在timeperiod.cfg
contact_groups admins:发通知给admins组，admins组在contacts.cfg中定义
加载监控对戏那个配置文件 nagios.cfg
vim /usr/local/nagios/etc/nagios.cfg
cfg_file=/usr/local/nagios/etc/objects/commands.cfg
cfg_file=/usr/local/nagios/etc/objects/contacts.cfg
cfg_file=/usr/local/nagios/etc/objects/timperiods.cfg
cfg_file=/usr/local/nagios/etc/objects/templates.cfg
cfg_file=/usr/local/nagios/etc/objects/localhost.cfg
检查配置语法是否有误
/usr/local/nagios/bin/nagios -v /usr/local/nagios/etc/nagios.cfg
启动nagios和httpd服务
service httpd restart
service nagios restart
chkconfig httpd on
chkconfig nagios restart
配置登录页面认证用户
进入WEB页面查看
http://ip/nagios
自定义监控项目
自定义监控对象
监控/boot分区
首先查看commands.cfg
定义监控的分区
vim localhost.cfg
define service{
use local-service
host_name localhost
service_description Boot Partition 在nagios Services 中显示的名称
check_command check_local_disk!50%!40%!/boot
notifications_enabled 1 是否开启提醒功能。1为开启，0为禁用
}
重启nagios
service nagios restart
notifications_enabled
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