linux remote interface

As a client (running the Wireshark GUI, or tshark on Linux): Yes, with a recent version of Wireshark (and libpcap).

http://wiki.wireshark.org/CaptureSetup/WinPcapRemote

As a "capturing server": please check the following questions fur further information.

http://ask.wireshark.org/questions/13059/capturing-from-multiple-pipes
http://ask.wireshark.org/questions/13217/remote-packet-capture-on-remote-linux-machine
http://ask.wireshark.org/questions/12728/remote-capture-from-linux-to-windows
http://ask.wireshark.org/questions/13012/remote-packet-capturing-from-command-prompt

Regards
Kurt