2011-01-23

Update the GeoIP database

GeoIP is a proprietary technology provided by MaxMind that allows the geolocalization of IPs. It provides databases as both free and paid solutions with IP records matching the country and the city. The GeoLite Country database can be downloaded for free and is updated about once a month.

The database can be used with the command line tool geoiplookup . By calling it, it will check for the default database, but you can specify another one through a command line option.

First download and install the latest database and license under your home directory, for example ~/.local/share/GeoIP/. Make sure to decompress the database with gunzip. The directory has to contain these files:
GeoIP.dat
LICENSE.txt
Next create an alias for the command geoiplookup, for example through your ~/.bashrc script put the following line:
alias geoiplookup='geoiplookup -d $HOME/.local/share/GeoIP/'

And done! But why all the hassle? Because your system may not provide the updates on a regular basis. Of course you can set up a scheduled task to download the database right into your home directory.

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