Better docker config.

bash/docker-remote.sh

@@ -1,13 +1,12 @@
-# A simple aliasing tool for performing remote docker operations over ssh
-# Usage: dcontrol <somehost.com>
-# Assumes you have key-based root login
+# Convenience tool for setting DOCKER_HOST for remote docker operations over ssh.
+#
+# Enable:  dcontrol <somehost.com>
+# Disable: dcontrol off
 
 function dcontrol() {
     if [ -z $1 ] || [ $1 == "off" ]; then
-        unalias docker 2> /dev/null
         unset DOCKER_HOST
         return
     fi
-    export DOCKER_HOST=$1
-    alias docker="docker -H ssh://root@${DOCKER_HOST}"
+    export DOCKER_HOST=ssh://root@$1
 }