SYNOPSIS
$0 --range range /file/1 /file/2
$0 --range range #default filelist in remote /etc/mydan.file
tail file from remote machine
$0 --range range --listen 9999
$0 --range range --listen 9999 [--addr 10.10.10.1]\
[--user user(default `id -un`)] [--sudo sudoer]
--seek T0 (defaule) || --seek H0 || --seek T1024