## OpenStreetMap tiles in EPSG:25832 projection using GeoServer

Warning: This is a description of how to create a OpenStreetMap WMS with GeoServer. It works fine up to the point where the layers published as an unstyled WMS. This is where I’ve not been able to produce a good result, because of lack of a good Styled Layer Descriptor (SLD). If you have hints …

## Fetching static JSON files cross site with jQuery.

Say you have a static JSON file sitting on a web server, e.g. mystaticfiles.com/hello.json on Amazon S3 or a CDN. For the sake of argument, let’s imagine that it’s a configuration file. The contents of the file looks like this: {"message": "Hello, world!"}{"message": "Hello, world!"}

## Reprojecting shapefiles with ogr2ogr

If you have an ESRI Shapefile (.shp) that you want to reproject, you can use ogr2ogr ogr2ogr -t_srs <EPSG-CODE> newfile.shp oldfile.shpogr2ogr -t_srs <EPSG-CODE> newfile.shp oldfile.shp The EPSG code could be for instance epsg:28532.

## Creating a word cloud from PDF documents

Warning: This is not the hardest way to create a word cloud from pdf-documents, but it’s up there. Say you have directory containing pdf documents: $ls a.pdf b.pdf c.pdf …$ ls a.pdf b.pdf c.pdf …

## Easy two column layout in latex

Include the packages. The blindtext package is just an easy way to type Lorem ipsum etc. \usepackage{multicol} \usepackage{blindtext}\usepackage{multicol} \usepackage{blindtext} Make a two column section of a page. \begin{multicols}{2}[\textbf{Example for a two column text}] \blindtext \end{multicols}\begin{multicols}{2}[\textbf{Example for a two column text}] \blindtext \end{multicols}

## Run OpenSolaris in your OS with VirtualBox

The following recipe should work for any OS. Download and install VirtualBox Download OpenSolaris image Start VM If you want to try an other image than OpenSolaris, you can find many others images (CentOS, FreeBSD, etc) here: http://virtualboxes.org/images/

## If only more people wrote like Lamport

I’m half way through the Part-time parliament on Paxos article by Leslie Lamport. It is an article that describes a three-phase consensus protocol by telling a story of a (fictional) parliement on the greek island of Paxos, complete with fat priests, busy businessmen, and a vivid description of the parliament hall. The story illustrates how …

## Show system info on a Mac

SYSTEM_PROFILER Show a very long list of details about your machine and kernel (verbose output) system_profilersystem_profiler

## How to monitor system stuff on Mac

Found this nice post on good commands to know appart from the obvious top Basically they are toptop and vm_stat 5vm_stat 5

## Finding the most quoted main author using linux command line

I have a text file containing article references. It looks like this – Miller HJ (2004) Tobler’s First Law and spatial analysis. Ann Assoc Am Geogr 94:284–289.   – Onsrud H, ed (2007) Research and Theory in Advanced Spatial Data Infrastructure Concepts (ESRI Press, Redlands, CA).   – Egenhofer M (2002) Toward the geospatial semantic …