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查看脚本帮助:
- [root@wqk1 mnt]# ./check_cpu.sh -h
- check_cpu.sh Revision 1.0 - CPU Utilization check script for Nagios
- Usage: check_cpu.sh [flags]
- Flags:
- -w <number> : Global Warning level in % for user/system/io-wait cpu
- -uw <number> : Warning level in % for user cpu
- -iw <number> : Warning level in % for IO_wait cpu
- -sw <number> : Warning level in % for system cpu
- -c <number> : Global Critical level in % for user/system/io-wait cpu
- -uc <number> : Critical level in % for user cpu
- -ic <number> : Critical level in % for IO_wait cpu
- -sc <number> : Critical level in % for system cpu
- -i <number> : Interval in seconds for iostat (default : 1)
- -n <number> : Number report for iostat (default : 3)
- -h Show this page
- Usage: check_cpu.sh
- Usage: check_cpu.sh --help
- This plugin will check cpu utilization (user,system,iowait,idle in %)
正常测试:
- [root@wqk1 mnt]# ./check_cpu.sh
- CPU OK : user=0% system=0% iowait=0% idle=100% | cpu_user=0%;70;90; cpu_sys=0%;70;90; cpu_iowait=0%;70;90; cpu_idle=100%;
CPU WARNING测试:
- [root@wqk1 mnt]# ./check_cpu.sh -w 0
- CPU WARNING : user=0% system=0% iowait=0% idle=100% | cpu_user=0%;0;90; cpu_sys=0%;0;90; cpu_iowait=0%;0;90; cpu_idle=100%;
- [root@wqk1 mnt]# ./check_cpu.sh -uw 0
- CPU WARNING : user=0% system=0% iowait=0% idle=100% | cpu_user=0%;0;90; cpu_sys=0%;70;90; cpu_iowait=0%;70;90; cpu_idle=100%;
- [root@wqk1 mnt]# ./check_cpu.sh -iw 0
- CPU WARNING : user=0% system=0% iowait=0% idle=100% | cpu_user=0%;70;90; cpu_sys=0%;70;90; cpu_iowait=0%;0;90; cpu_idle=100%;
- [root@wqk1 mnt]# ./check_cpu.sh -sw 0
- CPU WARNING : user=0% system=0% iowait=0% idle=100% | cpu_user=0%;70;90; cpu_sys=0%;0;90; cpu_iowait=0%;70;90; cpu_idle=100%;
CPU CRITICAL测试:
- [root@wqk1 mnt]# ./check_cpu.sh -c 0
- CPU CRITICAL : user=1% system=0% iowait=0% idle=99% | cpu_user=1%;70;0; cpu_sys=0%;70;0; cpu_iowait=0%;70;0; cpu_idle=99%;
- [root@wqk1 mnt]# ./check_cpu.sh -uc 0
- CPU CRITICAL : user=0% system=0% iowait=0% idle=100% | cpu_user=0%;70;0; cpu_sys=0%;70;90; cpu_iowait=0%;70;90; cpu_idle=100%;
- [root@wqk1 mnt]# ./check_cpu.sh -ic 0
- CPU CRITICAL : user=0% system=0% iowait=0% idle=100% | cpu_user=0%;70;90; cpu_sys=0%;70;90; cpu_iowait=0%;70;0; cpu_idle=100%;
- [root@wqk1 mnt]# ./check_cpu.sh -sc 0
- CPU CRITICAL : user=0% system=0% iowait=0% idle=100% | cpu_user=0%;70;90; cpu_sys=0%;70;0; cpu_iowait=0%;70;90; cpu_idle=100%;
[root@wqk1 mnt]# ./check_cpu.sh -w 0 -c 0
CPU CRITICAL : user=1% system=4% iowait=0% idle=95% | cpu_user=1%;0;0; cpu_sys=4%;0;0; cpu_iowait=0%;0;0; cpu_idle=95%;
后面两项为设置的WARNING和CRITICAL的阀值,第一项为cpu实际的使用情况。
弄清楚脚本,监控配置就容易多了。。
附脚本:
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