有的时候监控CPU内存使用率的情况时，nagios自身多带的插件有一些缺陷。
我们下面使用check_linux_stats.pl这个perl脚本来监控系统运行的一些参数。
我们到https://exchange.nagios.org/directory/Plugins/Operating-Systems/Linux/check_linux_stats/details上下载check_linux_stats.pl插件，把插件放到nagios的libexec的目录里。
同时，我们还需要安装Perl插件，下载地址是http://search.cpan.org/CPAN/authors/id/B/BL/BLOONIX/Sys-Statistics-Linux-0.66.tar.gz
执行安装：
tar -zxvf Sys-Statistics-Linux-0.66.tar.gz
cd Sys-Statistics-Linux-0.66
ls
less INSTALL
perl Makefile.PL#报错如下
Can't locate ExtUtils/MakeMaker.pm in @INC (@INC contains: /usr/local/lib64/perl5 /usr/local/share/perl5 /usr/lib64/perl5/vendor_perl /usr/share/perl5/vendor_perl /usr/lib64/perl5 /usr/share/perl5 .) at Makefile.PL line 1.
BEGIN failed--compilation aborted at Makefile.PL line 1.
解决方法
安装perl-UNIVERSAL-require-0.13-1.el6.rf.noarch.rpm
rpm -ivh perl-UNIVERSAL-require-0.13-1.el6.rf.noarch.rpm
还是报错
Can't locate ExtUtils/MakeMaker.pm in @INC (@INC contains: /usr/local/lib64/perl5 /usr/local/share/perl5 /usr/lib64/perl5/vendor_perl /usr/share/perl5/vendor_perl /usr/lib64/perl5 /usr/share/perl5 .) at Makefile.PL line 1.
BEGIN failed--compilation aborted at Makefile.PL line 1.
解决方法
yum install -y perl-devel
然后执行安装
perl Makefile.PL
make
make test#执行该命令可能会报错，不用管
make install
执行/usr/local/nagios/libexec/check_linux_stats.pl,又报错：
Can't locate Time/HiRes.pm in @INC (@INC contains: /usr/local/nagios/libexec /usr/local/lib64/perl5 /usr/local/share/perl5 /usr/lib64/perl5/vendor_perl /usr/share/perl5/vendor_perl /usr/lib64/perl5 /usr/share/perl5 .) at /usr/local/share/perl5/Sys/Statistics/Linux/Processes.pm line 177.
BEGIN failed--compilation aborted at /usr/local/share/perl5/Sys/Statistics/Linux/Processes.pm line 177.
Compilation failed in require at ./check_linux_stats.pl line 34.
BEGIN failed--compilation aborted at ./check_linux_stats.pl line 34.
解决方法
yum -y install perl-Time-HiRes
然后执行：
./check_linux_stats.pl --help
check_linux_stats v1.3.1
Usage: ./check_linux_stats.pl -C|-P|-M|-N|-D|-I|-L|-F|-S|-W|-U -p <pattern> -w <warning> -c <critical> [-s <sleep>] [-u <unit>] [-V] [-h]
-h, --help
print this help message
-C, --cpu=CPU USAGE
-P, --procs
-M, --memory=MEMORY USAGE
-N, --network=NETWORK USAGE
-D, --disk=DISK USAGE
-I, --io=DISK IO USAGE
-L, --load=LOAD AVERAGE
-F, --file=FILE STATS
-S, --socket=SOCKET STATS
-W, --paging=PAGING AND SWAPPING STATS
-U, --uptime
-p, --pattern
eth0,eth1...sda1,sda2.../usr,/tmp
-w, --warning
-c, --critical
-s, --sleep
-u, --unit
%, KB, MB or GB left on disk usage, default : MB
REQS OR BYTES on disk io statistics, default : REQS
-V, --version
version number
ex :
Memory usage : perl check_linux_stats.pl -M -w 90 -c 95
Cpu usage : perl check_linux_stats.pl -C -w 90 -c 95 -s 5
Disk usage : perl check_linux_stats.pl -D -w 95 -c 100 -u % -p /tmp,/usr,/var
Load average : perl check_linux_stats.pl -L -w 10,8,5 -c 20,18,15
Paging statistics : perl check_linux_stats.pl -W -w 10,1000 -c 20,2000 -s 3
Process statistics : perl check_linux_stats.pl -P -w 100 -c 200
I/O statistics on disk device : perl check_linux_stats.pl -I -w 10 -c 5 -p sda1,sda4,sda5,sda6
Network usage : perl check_linux_stats.pl -N -w 10000 -c 100000000 -p eth0
Processes virtual memory : perl check_linux_stats.pl -T -w 9551820 -c 9551890 -p /var/run/sendmail.pid
Uptime : perl check_linux_stats.pl -U -w 5
运行正常！
本文转自服务器运维博客51CTO博客，原文链接http://blog.51cto.com/shamereedwine/1768235如需转载请自行联系原作者
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