diff --git a/msnoise/api.py b/msnoise/api.py
index 0a7c6222..aba1f495 100644
--- a/msnoise/api.py
+++ b/msnoise/api.py
@@ -2112,7 +2112,7 @@ def xr_create_or_open(fn, taxis=[], name="CCF"):
         # failed, the file handle was still open and it failed later.
         ds = xr.load_dataset(fn)
         return ds
-    times = pd.date_range("2000-01-01", freq="H", periods=0)
+    times = pd.date_range("2000-01-01", freq="h", periods=0)
     if name == "CCF":
         data = np.random.random((len(times), len(taxis)))
         dr = xr.DataArray(data, coords=[times, taxis], dims=["times", "taxis"])
diff --git a/msnoise/s000installer.py b/msnoise/s000installer.py
index 12cd32b5..c7720048 100644
--- a/msnoise/s000installer.py
+++ b/msnoise/s000installer.py
@@ -43,6 +43,7 @@
 from sqlalchemy import create_engine
 from sqlalchemy.exc import *
 from sqlalchemy.orm import sessionmaker
+from sqlalchemy_utils import database_exists, create_database
 try:
     import cPickle
 except ImportError:
@@ -219,6 +220,13 @@ def ask(prompt, default, input_func=raw_input):
         engine = create_engine('postgresql+psycopg2://%s:%s@%s/%s'
                                % (username, password, hostname, database),
                                echo=False)
+
+
+
+    if not database_exists(engine.url):
+        logging.info("Database does not exist. Creating it right away!")
+        create_database(engine.url)
+
     create_database_inifile(tech, hostname, database, username, password,
                             prefix)
 
diff --git a/msnoise/scripts/msnoise.py b/msnoise/scripts/msnoise.py
index 6bbbe963..5066808f 100644
--- a/msnoise/scripts/msnoise.py
+++ b/msnoise/scripts/msnoise.py
@@ -1504,8 +1504,9 @@ def utils_bugreport(ctx, sys, modules, env, all):
 
 @utils.command(name="test")
 @click.option('-p', '--prefix', default="", help='Prefix for tables')
+@click.option('--tech', default=1, help='Test using (1) SQLite or (2) MariaDB (you need to start that server before!)')
 @click.option('-c', '--content', default=False, is_flag=True)
-def utils_test(prefix, content):
+def utils_test(prefix, tech, content):
     """Runs the test suite, should be executed in an empty folder!"""
     import matplotlib.pyplot as plt
     plt.switch_backend("agg")
@@ -1513,7 +1514,7 @@ def utils_test(prefix, content):
         from ..test.tests import main
     else:
         from ..test.content_tests import main
-    main(prefix=prefix)
+    main(prefix=prefix, tech=tech)
 
 
 @utils.command(name="jupyter")
diff --git a/msnoise/test/tests.py b/msnoise/test/tests.py
index 2613738e..c20640a5 100644
--- a/msnoise/test/tests.py
+++ b/msnoise/test/tests.py
@@ -36,8 +36,19 @@ def test_001_S01installer(self):
         if "PREFIX" in os.environ:
             self.prefix=os.environ["PREFIX"]
         try:
-            ret = main(tech=1, prefix=self.prefix,
-                       filename='testmsnoise.sqlite')
+            if os.environ["TECH"] == "1":
+                ret = main(tech=1, prefix=self.prefix,
+                           hostname="localhost",
+                           username="root",
+                           password="SECRET",
+                           database=os.environ["hash"])
+            elif os.environ["TECH"] == "2":
+                ret = main(tech=2, prefix=self.prefix,
+                           hostname=os.environ["MARIADB_HOSTNAME"],
+                           username=os.environ["MARIADB_USERNAME"],
+                           password=os.environ["MARIADB_PASSWORD"],
+                           database=os.environ["hash"])
+
             self.failUnlessEqual(ret, 0)
         except:
             traceback.print_exc()
@@ -653,7 +664,7 @@ def test_99219_crondays_weeks_days_hours_optional_blank(self):
         self.assertEqual(parsed_crondays, datetime.timedelta(days=3*7+4, seconds=12*3600))
 
 
-def main(prefix=""):
+def main(prefix="", tech=1):
     import matplotlib.pyplot as plt
     plt.switch_backend("agg")
 
@@ -661,16 +672,25 @@ def main(prefix=""):
     import sys
     test_dir = tempfile.mkdtemp(prefix="msnoise_")
     os.chdir(test_dir)
-    print("Tests will be executed in %s" % test_dir)
+
     # c = len(os.listdir(os.getcwd()))
     # if c > 0:
     #     print("Directory is not empty, can't run tests here!")
     #     sys.exit()
     os.environ["PREFIX"] = prefix
+    os.environ["hash"] = "h" + test_dir[-10:]
+    os.environ["TECH"] = str(tech)
+    print("Tests will be executed in %s" % test_dir)
+    if tech == 2:
+        print("The database localhost/%s was NOT deleted after this test!" % os.environ["HASH"])
+
     suite = unittest.defaultTestLoader.loadTestsFromTestCase(MSNoiseTests)
     runner = unittest.TextTestRunner(verbosity=4)
     result = runner.run(suite)
+
     print("Tests executed in %s" % test_dir)
+    if tech == 2:
+        print("The database localhost/%s was NOT deleted after this test!" % os.environ["HASH"])
     if not result.wasSuccessful():
         sys.exit(1)