gistfile1.txt

riki@Vectra:~$ cat .profile
[...]
alias aptitude='sudo aptitude'

riki@Vectra:~$ aptitude install gphoto2 gphotofs
E: Could not open lock file /var/lib/dpkg/lock - open (13: Permission denied)
E: Unable to lock the administration directory (/var/lib/dpkg/), are you root?

riki@Vectra:~$ . .profile
riki@Vectra:~$ aptitude install gphoto2 gphotofs
The following NEW packages will be installed:
  gphotofs 
0 packages upgraded, 1 newly installed, 0 to remove and 0 not upgraded.
Need to get 16.5 kB of archives. After unpacking 86.0 kB will be used.
Get:1 http://debian.dynamica.it/debian/ squeeze/main gphotofs i386 0.4.0-3 [16.5 kB]