Index: cloud-init-0.6.3/cloudinit/CloudConfig/cc_byobu.py
===================================================================
--- cloud-init-0.6.3.orig/cloudinit/CloudConfig/cc_byobu.py
+++ cloud-init-0.6.3/cloudinit/CloudConfig/cc_byobu.py
@@ -55,7 +55,7 @@ def handle(_name, cfg, _cloud, log, args
 
     shcmd = ""
     if mod_user:
-        user = util.get_cfg_option_str(cfg, "user", "ubuntu")
+        user = util.get_cfg_option_str(cfg, "user", "root")
         shcmd += " sudo -Hu \"%s\" byobu-launcher-%s" % (user, bl_inst)
         shcmd += " || X=$(($X+1)); "
     if mod_sys:
Index: cloud-init-0.6.3/cloudinit/CloudConfig/cc_set_passwords.py
===================================================================
--- cloud-init-0.6.3.orig/cloudinit/CloudConfig/cc_set_passwords.py
+++ cloud-init-0.6.3/cloudinit/CloudConfig/cc_set_passwords.py
@@ -44,7 +44,7 @@ def handle(_name, cfg, _cloud, log, args
         expire = util.get_cfg_option_bool(chfg, 'expire', expire)
 
     if not plist and password:
-        user = util.get_cfg_option_str(cfg, "user", "ubuntu")
+        user = util.get_cfg_option_str(cfg, "user", "root")
         plist = "%s:%s" % (user, password)
 
     errors = []
Index: cloud-init-0.6.3/cloudinit/CloudConfig/cc_ssh_import_id.py
===================================================================
--- cloud-init-0.6.3.orig/cloudinit/CloudConfig/cc_ssh_import_id.py
+++ cloud-init-0.6.3/cloudinit/CloudConfig/cc_ssh_import_id.py
@@ -30,7 +30,7 @@ def handle(_name, cfg, _cloud, log, args
         if len(args) > 1:
             ids = args[1:]
     else:
-        user = util.get_cfg_option_str(cfg, "user", "ubuntu")
+        user = util.get_cfg_option_str(cfg, "user", "root")
         ids = util.get_cfg_option_list_or_str(cfg, "ssh_import_id", [])
 
     if len(ids) == 0: