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October 12, 2011

NRPE returning no output?

command[check_recent_core]=PLUGINPATH/check_recent_core.sh --file="$ARG1" --freshness=$ARG2$

Spot the error? I only wasted an hour of my life and another 30 minutes of co-workers trying to figure out why I kept getting a "NRPE: No output returned from plugin" error in Nagios. The issue? $ARG1 is missing a closing “$”. *slams head on desk*

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September 4, 2011

Useful C Debug Macro

Tonight I took the plunge to get back into some more C coding. In getting my environment setup I came across a useful debugging macro. This macro will output the filename and line number every time it’s expanded. I wanted to make sure I understood how the macro was working before just copying and pasting it into my source code so I’ve broken it down below for myself and others to understand.

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April 11, 2011

My Stay Puft Marshmallow Man Moment

A couple years ago I was sitting at a poker table for my final interview for a sys admin position with . It had been a long day of mentally exhausting questions, and the interview was coming to a close. The person I was interviewing with sat for a moment and pondered his next question for me.

“You’ve got a building across the street with a bunch of data on a server. The building is on fire. You’ve got a connection between the two buildings. What’s the fastest way to get the data over to you before the building burns down?”

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