+# Set up mail client system.
+apt-get -y install getmail4 procmail mutt
+su plom -c 'mkdir -p /home/plom/mail'
+su plom -c 'mkdir -p /home/plom/mail/inbox/{cur,new,tmp}'
+
+# Set up screen.
+apt-get -y install screen
+
+# Set up ping.
+apt-get -y install iputils-ping
+