How to monitor system stuff on Mac
Found this nice post on good commands to know appart from the obvious top Basically they are top and vm_stat 5
kostas
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…
Sticking bicycle paths in CouchDB
In this installment of How To Stick Anything In CouchDB, I’ll take some bicycle path data released by the municipality of Copenhagen and stick them in CouchDB. As always I’m working in Terminal under Mac OS X. Bicycle paths in…
How to create JSON data from a text file on the internet
The following assumes a linux command line to be present (or Mac OS X terminal in my case). I want to wrangle text from the internet, turn it into JSON data, and ultimately stick it in CouchDB. Here I’m trying…
Who gains from blocked content on YouTube?
When I want to hear a particular rap song from 1992 on YouTube, the video service shows me this: Yeah yeah, copyright or whatever, but what is the point? Who gains what exactly? By the way, if you can hear…
Free online O’Reilly book on CouchDB
Using shp2geocouch to push OSM data into geocouch
Today I installed the utility shp2geocouch on Mac OS X 1.6. First I needed to update RubyGems… sudo gem update –system Then I could install shp2geocouch sudo gem install shp2geocouch Next I downloaded OSM data for Copenhagen, Denmark wget …
Installing spatial databases on EC2
The spatial databases covered are PostGIS, MySQL spatial and MongoDB, Apache Cassandra. UPDATE: I’ll change this post or create a page to give the actual linux commands to run on the remote server. PostGIS on EC2 I have found a…
Opening and closing ports on EC2 instances
Assuming that the EC2 tools have been installed like described in a previous post, opening and closing ports is done with the ec2-authorize and ec2-revoke commands respectively. These commands work on security groups rather than on instances. Recall that a…
Hints for managing Amazon Linux on EC2
I’m using Mac OS X and running instances in the EU West Region. My instances are of the Amazon Linux AMI. Installing the EC2 command line tools Having command-line tools installed is a supplement to the AWS management console found…