check_linux_stats
With this script you can monitor your system-basic. Such as Cpu Usage, Mem Usage, Interfaces and more. Just simple and easy to handle.
Options:
| Flag | Description |
|---|---|
| --help | print this help message |
| -C, --cpu | check cpu usage |
| -P, --proc | check the processes number |
| -M, --memory | check memory usage (memory used, swap used and memory cached) |
| -N, --network=NETWORK USAGE | check network usage in resq or bytes (default bytes) |
| -D, --disk=DISK USAGE | check disk usage |
| -I, --io=DISK IO USAGE | check disk I/O (r/w on /dev/sd*) |
| -L, --load=LOAD AVERAGE | check load average |
| -F, --file=FILE STATS | check open files (file alloc, inode alloc) |
| -S, --socket=SOCKET STATS | socket usage (tcp, udp, raw) |
| -p, --pattern | eth0,eth1...sda1,sda2.../usr,/tmp |
| -w, --warning | warning thresold |
| -c, --critical | critical thresold |
| -s, --sleep | default 1 sec. |
| -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 |
Example:
-
Cpu usage :
./check_linux_stats.pl -C -w 90 -c 100 -s 5 CPU OK : idle 99.80% | user=0.00% system=0.20% iowait=0.00% idle=99.80%;90;100 -
Load average :
./check_linux_stats.pl -L -w 10,8,5 -c 20,18,15 LOAD AVERAGE OK : 0.20,0.07,0.16 | load1=0.20;10;20;0 load5=0.07;8;18;0 load15=0.16;5;15;0 -
Memory usage :
./check_linux_stats.pl -M -w 99,50 -c 100,50 MEMORY OK : used 94.52% |MemUsed=94.52%;99;100 SwapUsed=0.01;50;50 MemCached=39.66 -
Disk usage :
./check_linux_stats.pl -D -w 10 -c 5 -p /,/usr,/tmp,/var DISK WARNING used : / 3331.80MB on 3875.09MB (8.86% free) /usr 10084.27MB on 14528.41MB (25.43% free)| /=3331.80MB /usr=10084.27MB -
Disk I/O :
./check_linux_stats.pl -I -w 100,70 -c 150,100 -p sda1,sda2,sda4 DISK I/O OK | sda2_read=0.00;100;150 sda2_write=0.00;70;100 sda4_read=0.00;100;150 sda4_write=0.00;70;100 sda1_read=0.00;100;150 sda1_write=0.00;70;100 -
Network usage :
./check_linux_stats.pl -N -w 30000 -c 45000 -p eth0 NET USAGE OK eth0:8021.78KB | eth0_txbyt=3461.39KB eth0_txerrs=0.00KB eth0_rxbyt=4560.40KB eth0_rxerrs=0.00KB -
Open files :
./check_linux_stats.pl -F -w 10000,150000 -c 15000,250000 OPEN FILES OK allocated: 1728 (inodes: 70390) | fhalloc=1728;10000;15000;411810 inalloc=70390;150000;250000;100250 dentries=50754 -
Socket usage :
./check_linux_stats.pl -S -w 1000 -c 2000 SOCKET USAGE OK : used 257 |used=257;1000;2000 tcp=18 udp=5 raw=0 -
Number of procs :
./check_linux_stats.pl -P -w 1000 -c 2000 PROCS OK : count 272 |count=272;1000;2000 runqueue=2 blocked=0 running=2 new=0.98 -
Process mem & cpu :
./check_linux_stats.pl -T -w 2000000000 -c 3000000000 -p /var/run/jonas.pid PROCESSES OK | java_vsize=1804918784;2000000000;3000000000 java_nswap=0 java_cnswap=0 java_cpu=0
Important:
This script require Sys::Statistics::Linux
