An interactive tail mode that allows you to filter the tail with unix pipes and highlight the contents of the tailed file. Works locally or on remote files using tramp.

Install package from http://melpa.milkbox.net/#installing

M-x package-install RET itail RET

(require 'itail)
M-x itail RET /file/to/tail

Add / remove / toggle filters and highlight tail results using the below mode bindings.

You can customize a few useful things by

M-x customize RET

and search for itail

key        binding
---        -------
C-c -      itail-remove-last-filter
C-c c      itail-clear
C-c f      itail-toggle-filter
C-c g      itail-add-grep
C-c h      itail-highlight
C-c r      itail-remove-all-filters
C-c s      itail-show-filters
C-c u      itail-unhighlight
C-c C-k    itail-reload
C-c C-c    itail-kill