Exercises

Shell and Utilities

1. ssh into your virtual machine or other instance
2. sudo to modify the sshd_config settings to verify disabling of dns resolution (UseDNS=no)
3. install a command line helper

$ sudo apt-get install bash-completion

1. exercise command completion

$ apt-get install <TAB><TAB>

1. activate/deactivate the virtualenv on your instance

$ source /var/lib/geonode/bin/activate
$ deactivate

1. set the DJANGO_SETTINGS_MODULE env variable

$ export DJANGO_SETTINGS_MODULE=geonode.settings

1. install the httpie utility via pip

$ pip install httpie
$ http http://localhost/geoserver/rest
$ http -a admin http://localhost/geoserver/rest
<type in password - geoserver>

Python

1. launch ipython and experiment

> x = "some text"
> x.<TAB><TAB>
> x.split.__doc__
> ?

1. execute a script with ipython and open the REPL

$ echo "twos = [ x*2 for x in range(5)]" > test.py
$ ipython -i test.py
> twos