diff --git a/_doc/sphinxdoc/source/tutorial/mainf.rst b/_doc/sphinxdoc/source/tutorial/mainf.rst
index 9b85b170d..f0ca24312 100644
--- a/_doc/sphinxdoc/source/tutorial/mainf.rst
+++ b/_doc/sphinxdoc/source/tutorial/mainf.rst
@@ -29,7 +29,7 @@ Main Functionalities
 * help generation including notebook conversion
   (see :func:`generate_help_sphinx <pyquickhelper.helpgen.sphinx_main.generate_help_sphinx>`)
 * simple server to server sphinx documentation
-  (see :func:`run_doc_server <pyquickhelper.serverdoc.documentation_server.run_doc_server>`)
+  (see :func:`run_doc_server <pyquickhelper.server.documentation_server.run_doc_server>`)
 * function :func:`rst2html <pyquickhelper.helpgen.sphinxm_convert_doc_helper.rst2html>`
   to convert RST into HTML
 * Sphinx directive :class:`BlogPostDirective <pyquickhelper.sphinxext.sphinx_blog_extension.BlogPostDirective>`
diff --git a/_unittests/ut_helpgen/data/html_example2.txt b/_unittests/ut_helpgen/data/html_example2.txt
index d4d9c1426..8e35f47b6 100644
--- a/_unittests/ut_helpgen/data/html_example2.txt
+++ b/_unittests/ut_helpgen/data/html_example2.txt
@@ -343,14 +343,14 @@ to display it in a notebook.</p>
 <div class="section" id="run-a-local-server-which-serves-the-documentation">
 <span id="lm-runalocalserverwhichservesthedocumentation"></span><h2><a class="toc-backref" href="http://www.xavierdupre.fr/app/pyquickhelper/helpsphinx/all_example.html#id18">run a local server which serves the documentation</a><a class="headerlink" href="http://www.xavierdupre.fr/app/pyquickhelper/helpsphinx/all_example.html#run-a-local-server-which-serves-the-documentation" title="Permalink to this headline">¶</a></h2>
 <p>The following code will create a local server: <a class="reference external" href="http://localhost:8079/pyquickhelper/">http://localhost:8079/pyquickhelper/</a>.</p>
-<div class="highlight-python"><div class="highlight"><pre><span class="n">this_fold</span> <span class="o">=</span> <span class="n">os</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">dirname</span><span class="p">(</span><span class="n">pyquickhelper</span><span class="o">.</span><span class="n">serverdoc</span><span class="o">.</span><span class="n">documentation_server</span><span class="o">.</span><span class="n">__file__</span><span class="p">)</span>
+<div class="highlight-python"><div class="highlight"><pre><span class="n">this_fold</span> <span class="o">=</span> <span class="n">os</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">dirname</span><span class="p">(</span><span class="n">pyquickhelper</span><span class="o">.</span><span class="n">server</span><span class="o">.</span><span class="n">documentation_server</span><span class="o">.</span><span class="n">__file__</span><span class="p">)</span>
 <span class="n">this_path</span> <span class="o">=</span> <span class="n">os</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">abspath</span><span class="p">(</span> <span class="n">os</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">join</span><span class="p">(</span> <span class="n">this_fold</span><span class="p">,</span> <span class="s">".."</span><span class="p">,</span> <span class="s">".."</span><span class="p">,</span> <span class="s">".."</span><span class="p">,</span> <span class="s">"dist"</span><span class="p">,</span> <span class="s">"html"</span><span class="p">)</span> <span class="p">)</span>
 <span class="n">run_doc_server</span><span class="p">(</span><span class="bp">None</span><span class="p">,</span> <span class="n">mappings</span> <span class="o">=</span> <span class="p">{</span> <span class="s">"pyquickhelper"</span><span class="p">:</span> <span class="n">this_path</span> <span class="p">}</span> <span class="p">)</span>
 </pre></div>
 </div>
 <p>The same server can serves more than one project.
 More than one mappings can be sent.</p>
-<p>see <a class="reference internal" href="http://www.xavierdupre.fr/app/pyquickhelper/helpsphinx/pyquickhelper/serverdoc/documentation_server.html#le-documentation-server-l579"><span>file documentation_server.py</span></a></p>
+<p>see <a class="reference internal" href="http://www.xavierdupre.fr/app/pyquickhelper/helpsphinx/pyquickhelper/server/documentation_server.html#le-documentation-server-l579"><span>file documentation_server.py</span></a></p>
 </div>
 <div class="section" id="run-a-notebook-end-to-end">
 <span id="lm-runanotebookendtoend"></span><h2><a class="toc-backref" href="http://www.xavierdupre.fr/app/pyquickhelper/helpsphinx/all_example.html#id19">Run a notebook end to end</a><a class="headerlink" href="http://www.xavierdupre.fr/app/pyquickhelper/helpsphinx/all_example.html#run-a-notebook-end-to-end" title="Permalink to this headline">¶</a></h2>
diff --git a/_unittests/ut_helpgen/test_convert_doc_helper.py b/_unittests/ut_helpgen/test_convert_doc_helper.py
index 56bff7bb9..dd7be6a21 100644
--- a/_unittests/ut_helpgen/test_convert_doc_helper.py
+++ b/_unittests/ut_helpgen/test_convert_doc_helper.py
@@ -56,7 +56,7 @@ def test_rst2html(self):
             ::
 
 
-                this_fold = os.path.dirname(pyquickhelper.serverdoc.documentation_server.__file__)
+                this_fold = os.path.dirname(pyquickhelper.server.documentation_server.__file__)
                 this_path = os.path.abspath( os.path.join( this_fold, "..", "..", "..", "dist", "html") )
                 run_doc_server(None, mappings = { "pyquickhelper": this_path } )
 
diff --git a/_unittests/ut_pycode/data/coverage/coverage_report.xml b/_unittests/ut_pycode/data/coverage/coverage_report.xml
index ab402b5e2..22cf0d358 100644
--- a/_unittests/ut_pycode/data/coverage/coverage_report.xml
+++ b/_unittests/ut_pycode/data/coverage/coverage_report.xml
@@ -12186,9 +12186,9 @@
 				</class>
 			</classes>
 		</package>
-		<package branch-rate="0" complexity="0" line-rate="0.5954" name="src.pyquickhelper.serverdoc">
+		<package branch-rate="0" complexity="0" line-rate="0.5954" name="src.pyquickhelper.server">
 			<classes>
-				<class branch-rate="0" complexity="0" filename="src/pyquickhelper/serverdoc/__init__.py" line-rate="1" name="__init__.py">
+				<class branch-rate="0" complexity="0" filename="src/pyquickhelper/server/__init__.py" line-rate="1" name="__init__.py">
 					<methods/>
 					<lines>
 						<line hits="1" number="5"/>
@@ -12196,7 +12196,7 @@
 						<line hits="1" number="7"/>
 					</lines>
 				</class>
-				<class branch-rate="0" complexity="0" filename="src/pyquickhelper/serverdoc/documentation_server.py" line-rate="0.5294" name="documentation_server.py">
+				<class branch-rate="0" complexity="0" filename="src/pyquickhelper/server/documentation_server.py" line-rate="0.5294" name="documentation_server.py">
 					<methods/>
 					<lines>
 						<line hits="1" number="2"/>
@@ -12456,7 +12456,7 @@
 						<line hits="0" number="595"/>
 					</lines>
 				</class>
-				<class branch-rate="0" complexity="0" filename="src/pyquickhelper/serverdoc/server_helper.py" line-rate="0.8966" name="server_helper.py">
+				<class branch-rate="0" complexity="0" filename="src/pyquickhelper/server/server_helper.py" line-rate="0.8966" name="server_helper.py">
 					<methods/>
 					<lines>
 						<line hits="1" number="2"/>
diff --git a/_unittests/ut_serverdoc/test_documentation_server.py b/_unittests/ut_serverdoc/test_documentation_server.py
index 980188138..34b74fb8f 100644
--- a/_unittests/ut_serverdoc/test_documentation_server.py
+++ b/_unittests/ut_serverdoc/test_documentation_server.py
@@ -10,7 +10,7 @@
 from http.server import HTTPServer as skip_
 
 from pyquickhelper.loghelper import fLOG, get_url_content
-from pyquickhelper.serverdoc import run_doc_server
+from pyquickhelper.server import run_doc_server
 from pyquickhelper.pycode import skipif_appveyor, ExtTestCase
 
 
diff --git a/_unittests/ut_serverdoc/test_mappings.py b/_unittests/ut_serverdoc/test_mappings.py
index bd618ca68..59eaf42cf 100644
--- a/_unittests/ut_serverdoc/test_mappings.py
+++ b/_unittests/ut_serverdoc/test_mappings.py
@@ -9,7 +9,7 @@
 import unittest
 
 from pyquickhelper.loghelper import fLOG
-from pyquickhelper.serverdoc import get_jenkins_mappings
+from pyquickhelper.server import get_jenkins_mappings
 
 
 class TestMappings(unittest.TestCase):
diff --git a/_unittests/ut_sphinxext/data/html_example2.txt b/_unittests/ut_sphinxext/data/html_example2.txt
index d4d9c1426..8e35f47b6 100644
--- a/_unittests/ut_sphinxext/data/html_example2.txt
+++ b/_unittests/ut_sphinxext/data/html_example2.txt
@@ -343,14 +343,14 @@ to display it in a notebook.</p>
 <div class="section" id="run-a-local-server-which-serves-the-documentation">
 <span id="lm-runalocalserverwhichservesthedocumentation"></span><h2><a class="toc-backref" href="http://www.xavierdupre.fr/app/pyquickhelper/helpsphinx/all_example.html#id18">run a local server which serves the documentation</a><a class="headerlink" href="http://www.xavierdupre.fr/app/pyquickhelper/helpsphinx/all_example.html#run-a-local-server-which-serves-the-documentation" title="Permalink to this headline">¶</a></h2>
 <p>The following code will create a local server: <a class="reference external" href="http://localhost:8079/pyquickhelper/">http://localhost:8079/pyquickhelper/</a>.</p>
-<div class="highlight-python"><div class="highlight"><pre><span class="n">this_fold</span> <span class="o">=</span> <span class="n">os</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">dirname</span><span class="p">(</span><span class="n">pyquickhelper</span><span class="o">.</span><span class="n">serverdoc</span><span class="o">.</span><span class="n">documentation_server</span><span class="o">.</span><span class="n">__file__</span><span class="p">)</span>
+<div class="highlight-python"><div class="highlight"><pre><span class="n">this_fold</span> <span class="o">=</span> <span class="n">os</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">dirname</span><span class="p">(</span><span class="n">pyquickhelper</span><span class="o">.</span><span class="n">server</span><span class="o">.</span><span class="n">documentation_server</span><span class="o">.</span><span class="n">__file__</span><span class="p">)</span>
 <span class="n">this_path</span> <span class="o">=</span> <span class="n">os</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">abspath</span><span class="p">(</span> <span class="n">os</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">join</span><span class="p">(</span> <span class="n">this_fold</span><span class="p">,</span> <span class="s">".."</span><span class="p">,</span> <span class="s">".."</span><span class="p">,</span> <span class="s">".."</span><span class="p">,</span> <span class="s">"dist"</span><span class="p">,</span> <span class="s">"html"</span><span class="p">)</span> <span class="p">)</span>
 <span class="n">run_doc_server</span><span class="p">(</span><span class="bp">None</span><span class="p">,</span> <span class="n">mappings</span> <span class="o">=</span> <span class="p">{</span> <span class="s">"pyquickhelper"</span><span class="p">:</span> <span class="n">this_path</span> <span class="p">}</span> <span class="p">)</span>
 </pre></div>
 </div>
 <p>The same server can serves more than one project.
 More than one mappings can be sent.</p>
-<p>see <a class="reference internal" href="http://www.xavierdupre.fr/app/pyquickhelper/helpsphinx/pyquickhelper/serverdoc/documentation_server.html#le-documentation-server-l579"><span>file documentation_server.py</span></a></p>
+<p>see <a class="reference internal" href="http://www.xavierdupre.fr/app/pyquickhelper/helpsphinx/pyquickhelper/server/documentation_server.html#le-documentation-server-l579"><span>file documentation_server.py</span></a></p>
 </div>
 <div class="section" id="run-a-notebook-end-to-end">
 <span id="lm-runanotebookendtoend"></span><h2><a class="toc-backref" href="http://www.xavierdupre.fr/app/pyquickhelper/helpsphinx/all_example.html#id19">Run a notebook end to end</a><a class="headerlink" href="http://www.xavierdupre.fr/app/pyquickhelper/helpsphinx/all_example.html#run-a-notebook-end-to-end" title="Permalink to this headline">¶</a></h2>
diff --git a/src/pyquickhelper/pycode/build_helper.py b/src/pyquickhelper/pycode/build_helper.py
index f324f5723..a74d3c70d 100644
--- a/src/pyquickhelper/pycode/build_helper.py
+++ b/src/pyquickhelper/pycode/build_helper.py
@@ -445,7 +445,7 @@ def get_script_module(command, platform=sys.platform, blog_list=None,
         script.append(("auto_doc_server.py", prefix_setup + """
                     # address http://localhost:8079/
                     from pyquickhelper import fLOG
-                    from pyquickhelper.serverdoc import run_doc_server, get_jenkins_mappings
+                    from pyquickhelper.server import run_doc_server, get_jenkins_mappings
                     fLOG(OutputPrint=True)
                     fLOG("running documentation server")
                     thisfile = os.path.dirname(__file__)
diff --git a/src/pyquickhelper/serverdoc/__init__.py b/src/pyquickhelper/server/__init__.py
similarity index 100%
rename from src/pyquickhelper/serverdoc/__init__.py
rename to src/pyquickhelper/server/__init__.py
diff --git a/src/pyquickhelper/serverdoc/documentation_server.py b/src/pyquickhelper/server/documentation_server.py
similarity index 99%
rename from src/pyquickhelper/serverdoc/documentation_server.py
rename to src/pyquickhelper/server/documentation_server.py
index 81d64e6f7..6d26f616a 100644
--- a/src/pyquickhelper/serverdoc/documentation_server.py
+++ b/src/pyquickhelper/server/documentation_server.py
@@ -559,7 +559,7 @@ def run_doc_server(server, mappings, thread=False, port=8079):
 
         ::
 
-            this_fold = os.path.dirname(pyquickhelper.serverdoc.documentation_server.__file__)
+            this_fold = os.path.dirname(pyquickhelper.server.documentation_server.__file__)
             this_path = os.path.abspath( os.path.join( this_fold,
                         "..", "..", "..", "dist", "html") )
             run_doc_server(None, mappings = { "pyquickhelper": this_path } )
diff --git a/src/pyquickhelper/serverdoc/server_helper.py b/src/pyquickhelper/server/server_helper.py
similarity index 100%
rename from src/pyquickhelper/serverdoc/server_helper.py
rename to src/pyquickhelper/server/server_helper.py