diff --git a/install.py b/install.py
index ba74f40..2eb93ae 100755
--- a/install.py
+++ b/install.py
@@ -67,40 +67,46 @@ ExecStart = /usr/bin/python3 /home/l_samenv/frappy/bin/secop-server %s
 WantedBy = multi-user.target
 """
 pip_requirements = {
-    'l_samenv': [],
-    'root': []
+    'l_samenv': {},
+    'root': {}
 }
 
 
 def frappy(cfg=None, port=None, requirements='', **kwds):
     if not cfg:
         return None
+    req = pip_requirements['l_samenv']
+    req[cfg] = '\n'.join(requirements.split(','))
     if port:
         cfg = '-p %s %s' % (port, cfg)
-    pip_requirements['l_samenv'].extend(requirements.split(','))
     with open('/home/l_samenv/frappy/requirements.txt') as f:
-        pip_requirements['l_samenv'].extend(f.read().split('\n'))
+        req['frappy main'] = f.read()
     return FRAPPY_TEMPLATE % cfg
 
 
 def router(**opts):
     if not opts:
         return None
-    with open('/root/aputools/requirements.txt') as f:
-        pip_requirements['root'].extend(f.read().split('\n'))
+    try:
+        with open('/root/aputools/requirements.txt') as f:
+            pip_requirements['root']['aputools'] = f.read()
+    except FileNotFoundError:
+        pass
     return ROUTER_TEMPLATE
 
 
 def pip():
     for user, requirements in pip_requirements.items():
         if user == 'root':
-            filename = join('/home', user, 'pip_requirements.txt')
+            filename = join('/root', 'pip_requirements.txt')
             pipcmd = 'pip3 install -r %s' % filename
         else:
-            filename = join('/root', 'pip_requirements.txt')
+            filename = join('/home', user, 'pip_requirements.txt')
             pipcmd = 'sudo --user %s pip3 install --user -r %s' % (user, filename)
-        if write_when_new(filename, '\n'.join(requirements)):
+        content = ''.join('# --- for %s ---\n%s\n' % kv for kv in requirements.items())
+        if write_when_new(filename, content):
             unix_cmd(pipcmd)
+            show.dirty = True
 
 
 SERVICES = dict(router=router, frappy=frappy)
@@ -390,9 +396,10 @@ def handle_config():
         else:
             if not active:
                 actions.add('restart')
-            if not enabled
+            if not enabled:
                 actions.add('enable')
         if write_when_new('/etc/systemd/system/%s.service' % service, template):
+            show.dirty = True
             reload_systemd = True
             if 'enable' in actions:
                 actions.add('restart')
diff --git a/servercfg/apuslave3_5a4c90.cfg b/servercfg/apuslave3_5a4c90.cfg
index 18abe18..9d8e76d 100644
--- a/servercfg/apuslave3_5a4c90.cfg
+++ b/servercfg/apuslave3_5a4c90.cfg
@@ -16,4 +16,3 @@ enp4s0=192.168.127.4/24
 cfg=sim_uniax
 port=5000
 requirements=numpy,scipy
-