Tego rodzaju błąd, z którym się spotykam:
root@ubuntu-pc:~# reaver
The program 'reaver' is currently not installed. You can install it by typing:
apt-get install reaver
root@ubuntu-pc:~# sudo apt-get install reaver
Reading package lists... Done
Building dependency tree
Reading state information... Done
E: Unable to locate package reaver
root@ubuntu-pc:~#