Following error output on apt-get install -f:
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?
Following error output on apt-get install -f:
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?
You should use root account or sudo when you want to change/install/fix packages with apt-get or apt or dpkg.
As other people suggest your problem is that you do not have permission, to install something you have to use the sudo which will give you the root.