last查看vpn在线用户
# last | grep still | grep ppp
ttlsacom1 ppp0 218.77.11.11 Sun Sep 29 15:37 still logged in
ttlsacom2 ppp1 218.77.11.11 Sun Sep 29 15:43 still logged in
ttlsacom3 ppp2 218.77.11.11 Sun Sep 29 10:25 still logged in
ttlsacom4 ppp4 218.77.11.11 Sun Sep 29 15:36 still logged in
