# apt-get install tor privoxy
Reading package lists... Done
Building dependency tree... Done
tor is already the newest version.
privoxy is already the newest version.
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
2 not fully installed or removed.
Need to get 0B of archives.
After unpacking 0B of additional disk space will be used.
Setting up privoxy (3.0.3-2-2) ...
Starting filtering proxy server: invoke-rc.d: initscript privoxy, action "start" failed.
dpkg: error processing privoxy (--configure):
 subprocess post-installation script returned error exit status 1
Setting up tor (0.1.1.23-1~etch.1) ...
debian-tor uid check: ok
debian-tor homedir check: ok
Raising maximum number of filedescriptors (ulimit -n) to 8192.
Starting tor daemon: tor...
Aug 21 02:25:59.711 [notice] Tor v0.1.1.23. This is experimental software. Do not rely on it for strong anonymity.
Aug 21 02:25:59.712 [notice] Initialized libevent version 1.1a using method epoll. Good.
Aug 21 02:25:59.712 [notice] connection_create_listener(): Opening Socks listener on 127.0.0.1:9050
Aug 21 02:25:59.712 [warn] connection_create_listener(): Could not bind to 127.0.0.1:9050: Address already in use. Is Tor already running?
Aug 21 02:25:59.713 [warn] Failed to parse/validate config: Failed to bind one of the listener ports.
Aug 21 02:25:59.713 [err] tor_init(): Reading config failed--see warnings above. For usage, try -h.
invoke-rc.d: initscript tor, action "start" failed.
dpkg: error processing tor (--configure):
 subprocess post-installation script returned error exit status 1
Errors were encountered while processing:
 privoxy
 tor
E: Sub-process /usr/bin/dpkg returned an error code (1)