diff --git a/clients/ldap-4.json b/clients/ldap-4.json
new file mode 100644
index 0000000..e680bc5
--- /dev/null
+++ b/clients/ldap-4.json
@@ -0,0 +1,4 @@
+{
+  "name": "ldap-4",
+  "public_key": "-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAmzFyZh5/J2BsKRunghis\nwUGbv4j/ynAF7QY+CYoOwDBcbLHk6odn1JyUqCgfhCIX0mh8F/fDKyU9Aw6+HHZ/\nX0DTt/enLTaWc2vxRfyJLRXP7/ymHOr4u6HYEINMdVJp4yQ9XLcWpuRHfA+fHrZ7\n9fI8sCMSEawvVpEKytYdVnm3VCjfIVrfCAkY0lP0mNG908edX2ZuJ4GS1UwADUZX\nLZuMhbGX9JqIQYWCyiMDakD7P7PlEDf/JVkvkao4HQatkqJGmGDhvfIPodIo8JC0\n6FsYxWtvrLJBArYjnVBKRuxIlBqq/7Yx0gj09kGf84aSXvkMDgio7AO4xSp9GJTJ\n4wIDAQAB\n-----END PUBLIC KEY-----\n"
+}
\ No newline at end of file
diff --git a/nodes/akkounts-1.json b/nodes/akkounts-1.json
index 5182b61..0ca0d1e 100644
--- a/nodes/akkounts-1.json
+++ b/nodes/akkounts-1.json
@@ -78,8 +78,9 @@
     }
   },
   "run_list": [
-    "recipe[kosmos-base]",
+    "role[base]",
     "role[kvm_guest]",
+    "role[ldap_client]",
     "role[akkounts]"
   ]
-}
\ No newline at end of file
+}
diff --git a/nodes/ejabberd-4.json b/nodes/ejabberd-4.json
index 18e81cc..8645317 100644
--- a/nodes/ejabberd-4.json
+++ b/nodes/ejabberd-4.json
@@ -59,8 +59,9 @@
     }
   },
   "run_list": [
-    "recipe[kosmos-base]",
+    "role[base]",
     "role[kvm_guest]",
+    "role[ldap_client]",
     "role[ejabberd]"
   ]
-}
\ No newline at end of file
+}
diff --git a/nodes/ejabberd-8.json b/nodes/ejabberd-8.json
index 71c7504..f06d5a6 100644
--- a/nodes/ejabberd-8.json
+++ b/nodes/ejabberd-8.json
@@ -57,8 +57,9 @@
     }
   },
   "run_list": [
-    "recipe[kosmos-base]",
+    "role[base]",
     "role[kvm_guest]",
+    "role[ldap_client]",
     "role[ejabberd]"
   ]
 }
diff --git a/nodes/gitea-2.json b/nodes/gitea-2.json
index d326adc..f386f88 100644
--- a/nodes/gitea-2.json
+++ b/nodes/gitea-2.json
@@ -64,6 +64,7 @@
   "run_list": [
     "role[base]",
     "role[kvm_guest]",
+    "role[ldap_client]",
     "role[garage_gateway]",
     "role[gitea]"
   ]
diff --git a/nodes/ldap-3.kosmos.org.json b/nodes/ldap-3.kosmos.org.json
index c3570d0..637595e 100644
--- a/nodes/ldap-3.kosmos.org.json
+++ b/nodes/ldap-3.kosmos.org.json
@@ -59,6 +59,6 @@
   "run_list": [
     "recipe[kosmos-base]",
     "role[kvm_guest]",
-    "role[dirsrv_primary]"
+    "role[dirsrv_supplier]"
   ]
-}
\ No newline at end of file
+}
diff --git a/nodes/ldap-4.kosmos.org.json b/nodes/ldap-4.kosmos.org.json
new file mode 100644
index 0000000..4a7230c
--- /dev/null
+++ b/nodes/ldap-4.kosmos.org.json
@@ -0,0 +1,57 @@
+{
+  "name": "ldap-4.kosmos.org",
+  "normal": {
+    "knife_zero": {
+      "host": "10.1.1.106"
+    }
+  },
+  "automatic": {
+    "fqdn": "ldap-4.kosmos.org",
+    "os": "linux",
+    "os_version": "5.4.0-1079-kvm",
+    "hostname": "ldap-4",
+    "ipaddress": "192.168.122.73",
+    "roles": [
+      "base",
+      "kvm_guest"
+    ],
+    "recipes": [
+      "kosmos-base",
+      "kosmos-base::default",
+      "kosmos_kvm::guest",
+      "apt::default",
+      "timezone_iii::default",
+      "timezone_iii::debian",
+      "ntp::default",
+      "ntp::apparmor",
+      "kosmos-base::systemd_emails",
+      "apt::unattended-upgrades",
+      "kosmos-base::firewall",
+      "kosmos-postfix::default",
+      "postfix::default",
+      "postfix::_common",
+      "postfix::_attributes",
+      "postfix::sasl_auth",
+      "hostname::default"
+    ],
+    "platform": "ubuntu",
+    "platform_version": "20.04",
+    "cloud": null,
+    "chef_packages": {
+      "chef": {
+        "version": "17.10.3",
+        "chef_root": "/opt/chef/embedded/lib/ruby/gems/3.0.0/gems/chef-17.10.3/lib",
+        "chef_effortless": null
+      },
+      "ohai": {
+        "version": "17.9.0",
+        "ohai_root": "/opt/chef/embedded/lib/ruby/gems/3.0.0/gems/ohai-17.9.0/lib/ohai"
+      }
+    }
+  },
+  "run_list": [
+    "role[base]",
+    "role[kvm_guest]",
+    "role[dirsrv_supplier]"
+  ]
+}
diff --git a/nodes/wiki-1.json b/nodes/wiki-1.json
index b2bac6b..22f5c17 100644
--- a/nodes/wiki-1.json
+++ b/nodes/wiki-1.json
@@ -74,8 +74,9 @@
     }
   },
   "run_list": [
-    "recipe[kosmos-base]",
+    "role[base]",
     "role[kvm_guest]",
+    "role[ldap_client]",
     "recipe[kosmos-mediawiki]"
   ]
-}
\ No newline at end of file
+}
diff --git a/roles/dirsrv_primary.rb b/roles/dirsrv_supplier.rb
similarity index 63%
rename from roles/dirsrv_primary.rb
rename to roles/dirsrv_supplier.rb
index ab18c68..bf4cfb3 100644
--- a/roles/dirsrv_primary.rb
+++ b/roles/dirsrv_supplier.rb
@@ -1,4 +1,4 @@
-name "dirsrv_primary"
+name "dirsrv_supplier"
 
 run_list %w(
   recipe[kosmos-dirsrv]
diff --git a/roles/hubot.rb b/roles/hubot.rb
index 9bdc549..f13d5b0 100644
--- a/roles/hubot.rb
+++ b/roles/hubot.rb
@@ -7,6 +7,6 @@ default_run_list = %w(
 
 env_run_lists(
   '_default' => default_run_list,
-  'development' => [],
+  'development' => default_run_list,
   'production' => default_run_list
 )
diff --git a/roles/ldap_client.rb b/roles/ldap_client.rb
new file mode 100644
index 0000000..03abbf4
--- /dev/null
+++ b/roles/ldap_client.rb
@@ -0,0 +1,5 @@
+name "ldap_client"
+
+run_list %w(
+  kosmos-dirsrv::hostsfile
+)
diff --git a/site-cookbooks/kosmos-akkounts/recipes/default.rb b/site-cookbooks/kosmos-akkounts/recipes/default.rb
index 9b2d290..efd8f63 100644
--- a/site-cookbooks/kosmos-akkounts/recipes/default.rb
+++ b/site-cookbooks/kosmos-akkounts/recipes/default.rb
@@ -22,7 +22,6 @@ package "libpq-dev"
 
 include_recipe 'kosmos-nodejs'
 include_recipe "kosmos-redis"
-include_recipe "kosmos-dirsrv::hostsfile"
 
 npm_package "yarn" do
   version "1.22.4"
diff --git a/site-cookbooks/kosmos-dirsrv/recipes/default.rb b/site-cookbooks/kosmos-dirsrv/recipes/default.rb
index 5ab07bb..e8269ed 100644
--- a/site-cookbooks/kosmos-dirsrv/recipes/default.rb
+++ b/site-cookbooks/kosmos-dirsrv/recipes/default.rb
@@ -3,12 +3,15 @@
 # Recipe:: default
 #
 
-include_recipe "kosmos-dirsrv::hostsfile"
-
 credentials = data_bag_item("credentials", "dirsrv")
+local_hostname = "#{node["hostname"]}.kosmos.local"
+
+hostsfile_entry "127.0.0.1" do
+  hostname local_hostname
+end
 
 dirsrv_instance "master" do
-  hostname "ldap.kosmos.local"
+  hostname local_hostname
   admin_password credentials['admin_password']
   suffix "dc=kosmos,dc=org"
 end
diff --git a/site-cookbooks/kosmos-dirsrv/recipes/hostsfile.rb b/site-cookbooks/kosmos-dirsrv/recipes/hostsfile.rb
index f6e18c5..d3fdc0f 100644
--- a/site-cookbooks/kosmos-dirsrv/recipes/hostsfile.rb
+++ b/site-cookbooks/kosmos-dirsrv/recipes/hostsfile.rb
@@ -3,12 +3,12 @@
 # Recipe:: hostsfile
 #
 
-dirsrv_primary = search(:node, "role:dirsrv_primary AND chef_environment:#{node.chef_environment}").first
+dirsrv_supplier = search(:node, "role:dirsrv_supplier AND chef_environment:#{node.chef_environment}").first
 
-unless dirsrv_primary.nil?
-  primary_ip = dirsrv_primary['knife_zero']['host']
+unless dirsrv_supplier.nil?
+  supplier_ip = dirsrv_supplier['knife_zero']['host']
 
-  hostsfile_entry primary_ip do
+  hostsfile_entry supplier_ip do
     hostname  "ldap.kosmos.local"
     unique    true
   end
diff --git a/site-cookbooks/kosmos-ejabberd/recipes/default.rb b/site-cookbooks/kosmos-ejabberd/recipes/default.rb
index e742a97..6573631 100644
--- a/site-cookbooks/kosmos-ejabberd/recipes/default.rb
+++ b/site-cookbooks/kosmos-ejabberd/recipes/default.rb
@@ -3,8 +3,6 @@
 # Recipe:: default
 #
 
-include_recipe "kosmos-dirsrv::hostsfile"
-
 ejabberd_credentials = data_bag_item("credentials", "ejabberd")
 
 ejabberd_version = node["kosmos-ejabberd"]["version"]
diff --git a/site-cookbooks/kosmos-mediawiki/recipes/default.rb b/site-cookbooks/kosmos-mediawiki/recipes/default.rb
index 4f24146..7cbfcdf 100644
--- a/site-cookbooks/kosmos-mediawiki/recipes/default.rb
+++ b/site-cookbooks/kosmos-mediawiki/recipes/default.rb
@@ -27,7 +27,6 @@
 include_recipe 'apt'
 include_recipe 'ark'
 include_recipe 'composer'
-include_recipe 'kosmos-dirsrv::hostsfile'
 
 server_name = 'wiki.kosmos.org'
 
diff --git a/site-cookbooks/kosmos_gitea/recipes/default.rb b/site-cookbooks/kosmos_gitea/recipes/default.rb
index 8327ae1..ad127ab 100644
--- a/site-cookbooks/kosmos_gitea/recipes/default.rb
+++ b/site-cookbooks/kosmos_gitea/recipes/default.rb
@@ -3,8 +3,6 @@
 # Recipe:: default
 #
 
-include_recipe "kosmos-dirsrv::hostsfile"
-
 working_directory         = node["gitea"]["working_directory"]
 git_home_directory        = "/home/git"
 repository_root_directory = "#{git_home_directory}/gitea-repositories"