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
   

4. Exercise command completion

   $ apt-get install <TAB><TAB>
   

5. Activate/deactivate the virtualenv on your instance

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

6. Set the DJANGO_SETTINGS_MODULE environment variable

   $ export DJANGO_SETTINGS_MODULE=geonode.settings
   

7. 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__
   > ?
   

2. 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