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Nagios Check Plugin for Linode Monthly Bandwidth Usage

Since I have most of my public-facing stuff hosted with Linode, and I have a monthly bandwidth cap (albeit one that I’ll probably never come close to), I decided that it would be a good idea to add my monthly bandwidth usage to my monitoring system. Luckily, Linode offers ...

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Nagios and check plugins run as root

No matter how much we may not like it, and no matter how insecure it can potentially be, we occasionally have to run Nagios check scripts (written in scripting languages) as root. (On a side note, this method is also used for my MultiBindAdmin project’s DNS file push). Here ...

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Nagios check_by_ssh and NAT

At a remote location, I have a number of machines to monitor but only one IP (dynamic on a residential connection). Most of my remote monitoring with Nagios uses check_by_ssh. Previously, I’d used one host for Nagios to SSH to, and then chained together another check_by_ssh to reach the ...

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