MRTG : Get Memory Usage info
2015/01/25 |
Configure MRTG to display Memory Usage rate.
|
|
[1] | Configure MRTG. |
# make sure total memory [root@dlp ~]# free total used free shared buffers cached Mem: 3922688 135224 3787464 260 7288 41788 -/+ buffers/cache: 86148 3836540 Swap: 4128764 0 4128764
[root@dlp ~]#
vi /etc/mrtg/mrtg.cfg # add follows to the end (replace the "Serverworld" to your comunity name) Target[mem]: .1.3.6.1.4.1.2021.4.6.0&.1.3.6.1.4.1.2021.4.4.0:Serverworld@127.0.0.1 # total memory MaxBytes1[Mem]: 3922688 # total swap MaxBytes2[Mem]: 4128764 Unscaled[Mem]: dwmy Options[Mem]: gauge, growright YLegend[Mem]: Mem Free(Bytes) ShortLegend[Mem]: Bytes kilo[Mem]: 1024 kMG[Mem]: k,M,G,T,P LegendI[Mem]: Real LegendO[Mem]: Swap Legend1[Mem]: Memory Free [MBytes] Legend2[Mem]: Swap Free [MBytes] Title[Mem]: Memory Free PageTop[Mem]: <H1>Memory Free</H1> # execute mrtg 3 times (display warnings until 3 times) [root@dlp ~]# for (( i=1 ; i <= 3 ; i++ )); do env LANG=C mrtg /etc/mrtg/mrtg.cfg; done 2015-01-25 23:05:51, Rateup WARNING: /usr/bin/rateup could not read the primary log file for mem 2015-01-25 23:05:51, Rateup WARNING: /usr/bin/rateup The backup log file for mem was invalid as well 2015-01-25 23:05:51, Rateup WARNING: /usr/bin/rateup Can't remove mem.old updating log file 2015-01-25 23:05:51, Rateup WARNING: /usr/bin/rateup Can't rename mem.log to mem.old updating log file 2015-01-25 23:05:51, Rateup WARNING: /usr/bin/rateup Can't remove mem.old updating log file # generate index file [root@dlp ~]# indexmaker --columns=1 /etc/mrtg/mrtg.cfg > /var/www/mrtg/index.html
|
[2] | Access to the "http://(MRTG hostname or IP address)/mrtg/" from a client with HTTP, then it's possible to see Memory Usage rate. |