Uptime monitoring
Monitor uptime trought a perl script. This is just one way, there's many others and better way to do this
/usr/local/bin/uptime.pl
#!/usr/bin/perl
$uptime = `uptime`;
$uptime =~ /up (.*?) day/;
$up = int($1);
print "$up\n";
print "$up\n";
#print "0\n";
/etc/mrtg.conf
Title[localuptime]: Uptime
PageTop[localuptime]: <H1>Uptime</H1>
Target[localuptime]: `/usr/local/bin/uptime.pl`
MaxBytes[localuptime]: 2000
Options[localuptime]: growright,unknaszero,nopercent,gauge,noinfo
LegendI[localuptime]: Uptime:
LegendO[localuptime]:
YLegend[localuptime]: Days
XSize[localuptime]: 600
YSize[localuptime]: 150
Result:
