# Taken from https://gist.github.com/PSJoshi/b7957946f866b8353423cfe764074662 (can be run as bash script if need be).

sudo -s
groupadd -g wireshark
usermod -a -G wireshark your-user-name
chgrp wireshark /usr/bin/dumpcap
chmod 4750 /usr/bin/dumpcap

#Ref - http://superuser.com/questions/319865/how-to-set-up-wireshark-to-run-without-root-on-debian

Another option
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# Install command line version of wireshark - tshark. It is not advisable to install wireshark GUI on the server!
# Most distributions offer a "wireshark-cli" or "tshark" package. Then grant Linux capabilities

$ sudo apt install tshark
$ sudo setcap 'CAP_NET_RAW+eip CAP_NET_ADMIN+eip' /usr/bin/dumpcap