communal@communal:~$ sudo dpkg -r libtorrent
(Reading database ... 254787 files and directories currently installed.)
Removing libtorrent (0.13.6-1) ...
dpkg: warning: while removing libtorrent, directory '/usr/local/lib/pkgconfig' not empty so not removed
dpkg: warning: while removing libtorrent, directory '/usr/local/include/torrent/utils' not empty so not removed
communal@communal:~$ sudo dpkg -r rtorrent
(Reading database ... 254702 files and directories currently installed.)
Removing rtorrent (0.9.6-1) ...
dpkg: warning: while removing rtorrent, directory '/usr/local/bin' not empty so not removed
communal@communal:~$ sudo ldconfig
communal@communal:~$ sudo apt-get install rtorrent -y
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following extra packages will be installed:
  libtorrent14
The following NEW packages will be installed:
  libtorrent14 rtorrent
0 upgraded, 2 newly installed, 0 to remove and 0 not upgraded.
Need to get 0 B/1,022 kB of archives.
After this operation, 2,643 kB of additional disk space will be used.
Selecting previously unselected package libtorrent14:amd64.
(Reading database ... 254688 files and directories currently installed.)
Preparing to unpack .../libtorrent14_0.13.2-1_amd64.deb ...
Unpacking libtorrent14:amd64 (0.13.2-1) ...
Selecting previously unselected package rtorrent.
Preparing to unpack .../rtorrent_0.9.2-1_amd64.deb ...
Unpacking rtorrent (0.9.2-1) ...
Processing triggers for man-db (2.6.7.1-1ubuntu1) ...
Setting up libtorrent14:amd64 (0.13.2-1) ...
Setting up rtorrent (0.9.2-1) ...
Processing triggers for libc-bin (2.19-0ubuntu6.7) ...
communal@communal:~$ rtorrent
-bash: /usr/local/bin/rtorrent: No such file or directory
communal@communal:~$