apt-get update works fine. I was able to install nano, but when I tried apt-get install htop i got the following error. I received the same error with a couple other common packages as well like tightvncserver.
root@FriendlyARM:~# apt-get install htop
Reading package lists... Done
Building dependency tree
Reading state information... Done
E: Unable to locate package htop
root@FriendlyARM:~#
root@FriendlyARM:~# apt-get install htop
Reading package lists... Done
Building dependency tree
Reading state information... Done
E: Unable to locate package htop
root@FriendlyARM:~#