ethercalc and silice are servers

hosts

@@ -44,7 +44,7 @@ voyager.adm.crans.org
 
 [freebox]
 boeing.adm.crans.org
-titanic.adm.crans.org
+#titanic.adm.crans.org
 
 [git]
 gitzly.adm.crans.org
@@ -133,11 +133,11 @@ virtu
 
 [crans_vm]
 #belenios.adm.crans.org
-bigbluebutton.adm.crans.org
+#bigbluebutton.adm.crans.org
 #boeing.adm.crans.org
 cas.adm.crans.org
-codichotomie.adm.crans.org
-#ethercalc-srv.adm.crans.org
+#codichotomie.adm.crans.org
+ethercalc-srv.adm.crans.org
 fluxx.adm.crans.org
 gitlab-ci.adm.crans.org
 gitzly.adm.crans.org
@@ -156,8 +156,8 @@ re2o-dev.adm.crans.org
 re2o-ldap.adm.crans.org
 redisdead.adm.crans.org
 roundcube.adm.crans.org
-#silice.adm.crans.org
-titanic.adm.crans.org
+silice.adm.crans.org
+#titanic.adm.crans.org
 tracker.adm.crans.org
 voyager.adm.crans.org
 #unifi.adm.crans.org