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Monitor drbd with nagios

I have written a couple scripts to enable drbd monitoring with nagios. Go get them!

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Popular posts

Mirth: recover space when mirthdb grows out of control

August 23, 2012

I was recently asked to recover a mirth instance whose embedded database had grown to fill all available space so this is just a note-to-self kind of post. Btw: the recovery, depending on db size and disk speed, is going to take long. The problem A 1.8 Mirth Connect instance was started, then forgotten (well neglected, actually). The user also forgot to setup pruning so the messages filled the embedded Derby database until it grew to fill all the available space on the disk. The SO is linux. The solution First of all: free some disk space so that the database can be started in embedded mode from the cli. You can also copy the whole mirth install to another server if you cannot free space. Depending on db size you will need a corresponding amount of space: in my case a 5GB db required around 2GB to start, process logs and then store the temp files during shrinking. Then open a shell as the user that mirth runs as (you're not running it as root, are you?) and cd in...

Best of 2024

December 07, 2024

Podcast Ryan Holiday: How to Win the War with Yourself [The Knowledge Project Ep. #208] I am sure The Knowledge Project helped me, actually, showed me how to become a better person: at home and at work. This 1h 39' episode is densely packed with life-changing advice. Some quotes from the passages that speak the most to me: You’ve said before that life is always whispering at you, and if you’re not paying attention, it’ll eventually scream at you. Yeah, there’s a Latin expression called festina lente, which just means “to make haste slowly.” We often look for shortcuts, and it takes longer than if we’d just done it slow and steady. And this is a very core idea of Stoicism. Epictetus said, “It’s not things that upset us; it’s our opinion about things.” that’s what sports are; they’re a metaphor for any kind of pursuit of excellence. [Sport] is just the most visible. The problem is that the financial upside is always clear. Opportunity costs are sometimes clear, but often not clear. W...

Testing OpenLayers with Selenium (Patch)

November 16, 2012

To improve the quality of both my sleep and Mappu development I have started using Selenium IDE for automated testing of Mappu's UI. It was kind of hard at the beginning, being the UI based on Sproutcore which has the annoying habit of changing the controls ids with every page load, but after a while I was able to get it rolling quite nicely. Then I hit a major roadblock: the OpenLayers-based map control wouldn't react to clicks, mousedown, mouseup, fireEvent or anything else I threw at it.

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