Monthly Archives: January 2014

Nagios Passive Check Example

The data below that makes up a service definition and commands definition below should serve as an example of what a passive check definition may look like: define service{ host_name service_description PassiveCheck check_freshness 1 ; active checks are NOT enabled active_checks_enabled 0 ; passive checks are enabled (this is how results are reported) passive_checks_enabled 1 ; 26 hour threshold, since backups may not always finish at the same time freshness_threshold 93600 ; this command is run only if the service results are “stale” check_command no-backup-report notification_interval 0 check_interval 60 retry_interval 1 max_check_attempts 1 # parallelize_check 1 # is_volatile 1 # obsess_over_service 0 } define command{ command_name no-backup-report command_line /usr/local/nagios/libexec/check_dummy 2 “CRITICAL: Results of backup job were not reported!” }

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Yamaha 4500 Generator – Won’t Start – Solved – Manual

Consumer: Have you ever rebuilt or repaired any Yamaha generators? Or maybe just a generator in general? Yamaha Generator Advice: Our most common generator is the yamaha EF2000is generator, followed by theĀ EF4500 iSE Consumer: How do you like working on those models? Yamaha Generator Advice: I convert a lot from gas to be able to run on gas, propane, or natural gas. Are you going to buy a generator? Consumer: Ok. I got an old 4500 – Yamaha yf4500 – yf-4500 – I’m trying to get running at work that ran fine all summer. Gas is good, new spark plug that is sparking, but won’t pull start. All switches set to run/on. Any ideas what I should check tomorrow? The Internet was no help. And yes fuel valve is on and clear.

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Fix Thunderbolt Display Static Noise on OS X Mavericks

(May also work on other versions of OS X) Premise: With a Macbook Pro Late 2013 running OS X Mavericks and a brand new Thunderbolt Display there is an issue where when the Macbook is connected to the Thunderbolt Display it emits a soft hissing sound – like static – or white noise. There seem to be a lot of people with this issue – one popular thread on the Apple Support Site has around 30k views to date. In a nutshell a few things that people are reporting that fix the issue for them include:

Posted in Mac, Tech Tips | Tagged , , , | 5 Comments – Access Denied Error

If you’ve tried to download the file – a.k.a “Occidentalis v0.2. Rubus occidentalis” – from Adafruit at, possibly using something like wget you may notice an Access Denied error like this one: <error> <code>AccessDenied</code> <message>Access Denied</message> <requestid>9382794827938798273</requestid> <hostid> QWNjZXNzRGVuaWVkT2Nj-aWRlbnRhbGlzdjAyLnppcA </hostid> </error> The file has not been removed, the download IS STILL THERE – you just have to visit their webpage to download it because they have referrer checking enabled. If you are still having trouble from their webpage, try a different web browser and it should work.

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window.mti_element_cache –

If you are using for your web fonts and are getting an error like this: window.mti_element_cache You’ve probably copied and pasted in the Javascript code from as suggested, and you may be using FireFox as your browser. This is a bit of an issue, and while adding a script tag with something like this: <script type=”text/javascript”> window[‘mti_element_cache’] = [] </script> Above where you reference the web font javascript, it might still not work for you. One solution may be to use their CSS API instead of their javascript API as the CDN. What that means is you need to replace the line that looks like this: <script type=”text/javascript” src=””></script> With one that looks like this: <link type=”text/css” rel=”stylesheet” rel=”nofollow” href=”//”/> Be sue to change the ff111ab-123-456-789 part to match the unique ID for your site.

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