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。

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 -w -c [-s ] [-u ] [-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！