Watch logs from multiple remote servers in single terminal window

multitail

MULTITAIL() {
    if [ "$#" = "0" ]; then
        echo "MULTITAIL logdir host1 host2 ..."
        exit 1
    fi

    logdir=$1
    shift

    if [ "$#" = "0" ]; then
        echo "no hosts specified"
        exit 1
    fi

    args1="-CS apache -l 'ssh -t $1 \"tail -f $logdir/access.log \"'"
    args2="-CS apache_error -l 'ssh -t $1 \"tail -f $logdir/error.log \"'"
    shift
    while [ "$#" != "0" ]; do
        args1="$args1 -L 'ssh -t $1 \"tail -f $logdir/access.log \"'"
        args2="$args2 -L 'ssh -t $1 \"tail -f $logdir/error.log \"'"
        shift
    done
    echo "multitail $args1 $args2"

    eval multitail $args1 $args2
}

Usage:

MULTITAIL /path/to/web/logs host1 host2 host3 ...