diff --git a/api-ref/source/samples/db-list-cfg-defaults-response.json b/api-ref/source/samples/db-list-cfg-defaults-response.json
index 58422431f5..c506d3aac2 100644
--- a/api-ref/source/samples/db-list-cfg-defaults-response.json
+++ b/api-ref/source/samples/db-list-cfg-defaults-response.json
@@ -22,7 +22,8 @@
             "open_files_limit": 512,
             "performance_schema": "ON",
             "pid_file": "/var/run/mysqld/mysqld.pid",
-            "port": 3306,
+            "socket": "/var/run/mysqld/mysqld.sock",
+            "port": "3306",
             "query_cache_limit": "1M",
             "query_cache_size": "8M",
             "query_cache_type": 1,
diff --git a/apidocs/src/samples/db-get-default-instance-configuration-response-json.txt b/apidocs/src/samples/db-get-default-instance-configuration-response-json.txt
new file mode 100644
index 0000000000..d8d78fc397
--- /dev/null
+++ b/apidocs/src/samples/db-get-default-instance-configuration-response-json.txt
@@ -0,0 +1,5 @@
+HTTP/1.1 200 OK
+Content-Type: application/json
+Content-Length: 1151
+Date: Mon, 18 Mar 2013 19:09:17 GMT
+
diff --git a/trove/guestagent/strategies/backup/mysql_impl.py b/trove/guestagent/strategies/backup/mysql_impl.py
index 8cd6c6466d..6721aa69b0 100644
--- a/trove/guestagent/strategies/backup/mysql_impl.py
+++ b/trove/guestagent/strategies/backup/mysql_impl.py
@@ -49,11 +49,18 @@ class InnoBackupEx(base.BackupRunner):
     """Implementation of Backup Strategy for InnoBackupEx."""
     __strategy_name__ = 'innobackupex'
 
+    @property
+    def user_and_pass(self):
+        return (' --user=%(user)s --password=%(password)s ' %
+                {'user': ADMIN_USER_NAME,
+                 'password': MySqlApp.get_auth_password()})
+
     @property
     def cmd(self):
         cmd = ('sudo innobackupex'
                ' --stream=xbstream'
                ' %(extra_opts)s ' +
+               self.user_and_pass +
                MySqlApp.get_data_dir() +
                ' 2>/tmp/innobackupex.log'
                )
@@ -109,6 +116,7 @@ class InnoBackupExIncremental(InnoBackupEx):
                ' --incremental'
                ' --incremental-lsn=%(lsn)s'
                ' %(extra_opts)s ' +
+               self.user_and_pass +
                MySqlApp.get_data_dir() +
                ' 2>/tmp/innobackupex.log')
         return cmd + self.zip_cmd + self.encrypt_cmd
diff --git a/trove/templates/mariadb/config.template b/trove/templates/mariadb/config.template
index 88614bdeaf..8507e0f3dd 100644
--- a/trove/templates/mariadb/config.template
+++ b/trove/templates/mariadb/config.template
@@ -1,5 +1,6 @@
 [client]
 port = 3306
+socket = /var/run/mysqld/mysqld.sock
 
 [mysqld_safe]
 nice = 0
@@ -13,6 +14,7 @@ basedir = /usr
 datadir = /var/lib/mysql/data
 tmpdir = /var/tmp
 pid_file = /var/run/mysqld/mysqld.pid
+socket = /var/run/mysqld/mysqld.sock
 skip-external-locking = 1
 key_buffer_size = {{ (50 * flavor['ram']/512)|int }}M
 max_allowed_packet = {{ (1024 * flavor['ram']/512)|int }}K
diff --git a/trove/tests/unittests/backup/test_backupagent.py b/trove/tests/unittests/backup/test_backupagent.py
index 8bbf70dc84..c692cb0a58 100644
--- a/trove/tests/unittests/backup/test_backupagent.py
+++ b/trove/tests/unittests/backup/test_backupagent.py
@@ -230,7 +230,8 @@ class BackupAgentTest(trove_testtools.TestCase):
         self.assertIsNotNone(inno_backup_ex.cmd)
         str_innobackup_cmd = ('sudo innobackupex'
                               ' --stream=xbstream'
-                              ' %(extra_opts)s'
+                              ' %(extra_opts)s '
+                              ' --user=os_admin --password=123'
                               ' /var/lib/mysql/data 2>/tmp/innobackupex.log'
                               ' | gzip |'
                               ' openssl enc -aes-256-cbc -salt '
diff --git a/trove/tests/unittests/guestagent/test_backups.py b/trove/tests/unittests/guestagent/test_backups.py
index 1f4644b189..565fd1ce2c 100644
--- a/trove/tests/unittests/guestagent/test_backups.py
+++ b/trove/tests/unittests/guestagent/test_backups.py
@@ -77,13 +77,16 @@ ZIP = "gzip"
 UNZIP = "gzip -d -c"
 ENCRYPT = "openssl enc -aes-256-cbc -salt -pass pass:default_aes_cbc_key"
 DECRYPT = "openssl enc -d -aes-256-cbc -salt -pass pass:default_aes_cbc_key"
-XTRA_BACKUP_RAW = ("sudo innobackupex --stream=xbstream %(extra_opts)s"
+XTRA_BACKUP_RAW = ("sudo innobackupex --stream=xbstream %(extra_opts)s "
+                   " --user=os_admin --password=password"
                    " /var/lib/mysql/data 2>/tmp/innobackupex.log")
 XTRA_BACKUP = XTRA_BACKUP_RAW % {'extra_opts': ''}
 XTRA_BACKUP_EXTRA_OPTS = XTRA_BACKUP_RAW % {'extra_opts': '--no-lock'}
 XTRA_BACKUP_INCR = ('sudo innobackupex --stream=xbstream'
                     ' --incremental --incremental-lsn=%(lsn)s'
-                    ' %(extra_opts)s /var/lib/mysql/data'
+                    ' %(extra_opts)s '
+                    ' --user=os_admin --password=password'
+                    ' /var/lib/mysql/data'
                     ' 2>/tmp/innobackupex.log')
 SQLDUMP_BACKUP_RAW = ("mysqldump --all-databases %(extra_opts)s "
                       "--opt --password=password -u os_admin"