Some time ago I discovered Multitail, a tool for displaying in a tail-like fashion any kind of information. I works by splitting the console multitail window in many parts and displaying the info you want on each of those screens, whether it is tailing a file or the output of a command via a ssh session. It also has coloring support (which you can extend using regular expressions) to tailor your needs.

I found it really handy when I have to monitor many servers. Just by using some bash power, you can get very nice outputs just by using something like this:

if [[ -z $rest ]] ;then
  echo "You need to specify at least one server"
  exit 1
command="multitail -s 2 "
for server in $rest
  command="$command -CS vmstat -t $server -l  \"ssh $server vmstat 1 \" "
eval $command
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