Two ways to make tcpdump work together with Wireshark
Capture and open with wireshark
tcpdump -w a.pcap
Using ssh and pipe
ssh some.remote.host tcpdump -pni any -w - -s0 -U port 8888 | wireshark -k -i
tcpdump -w a.pcap
ssh some.remote.host tcpdump -pni any -w - -s0 -U port 8888 | wireshark -k -i