diff --git a/nix/nixos/cardano-node-service.nix b/nix/nixos/cardano-node-service.nix
index ea42c0d2f45..8038c41b27a 100644
--- a/nix/nixos/cardano-node-service.nix
+++ b/nix/nixos/cardano-node-service.nix
@@ -13,11 +13,12 @@ let
     let exec = "cardano-node";
         cmd = builtins.filter (x: x != "") [
           "${cfg.package}/bin/${exec}"
+          "run"
           "--genesis-file ${cfg.genesisFile}"
           "--genesis-hash ${cfg.genesisHash}"
           "--config ${cfg.nodeConfigFile}"
           "--database-path ${cfg.databasePath}"
-          "--socket-path ${if (cfg.runtimeDir == null) then "${cfg.stateDir}/socket" else "/run/${cfg.runtimeDir}"}"
+          "--socket-path ${cfg.socketPath}"
           "--topology ${cfg.topology}"
           "--host-addr ${cfg.hostAddr}"
           "--port ${toString cfg.port}"
@@ -28,11 +29,12 @@ let
         ] ++ cfg.extraArgs;
     in ''
         choice() { i=$1; shift; eval "echo \''${$((i + 1))}"; }
-        echo "Starting ${exec}: '' + concatStringsSep "\"\n   echo \"" cmd + ''"
+        echo "Starting ${exec}: ${concatStringsSep "\"\n   echo \"" cmd}"
         echo "..or, once again, in a single line:"
-        echo "''                   + toString                          cmd + ''"
-        ls -l ${if (cfg.runtimeDir == null) then "${cfg.stateDir}/socket" else "/run/${cfg.runtimeDir}"} || true
-        ''                         + toString                          cmd;
+        echo "${toString cmd}"
+        ls -l ${cfg.socketPath} || true
+        ${toString cmd}
+        '';
 in {
   options = {
     services.cardano-node = {
@@ -150,6 +152,14 @@ in {
         '';
       };
 
+      socketPath = mkOption {
+        type = types.str;
+        default = "${cfg.stateDir}/socket/node-core-${cfg.environment}.socket";
+        description = ''
+          Socket that the node will be listening on
+        '';
+      };
+
       databasePath = mkOption {
         type = types.str;
         default = "${cfg.stateDir}/${cfg.dbPrefix}";
diff --git a/nix/nixos/chairman-as-a-service.nix b/nix/nixos/chairman-as-a-service.nix
index e5fc56cb47d..61695424a6e 100644
--- a/nix/nixos/chairman-as-a-service.nix
+++ b/nix/nixos/chairman-as-a-service.nix
@@ -11,7 +11,7 @@ let
   envConfig = environments.${cfg.environment};
   mkChairmanConfig = nodeConfig: chairmanConfig: {
     inherit (nodeConfig) package genesisFile genesisHash stateDir pbftThreshold consensusProtocol;
-    inherit (chairmanConfig) timeout maxBlockNo k slot-length node-ids nodeConfigFile nodeConfig timeoutIsSuccess;
+    inherit (chairmanConfig) timeout maxBlockNo k slot-length socketPath node-ids nodeConfigFile nodeConfig timeoutIsSuccess;
   };
   mkScript = cfg:
     let nodeIdArgs = builtins.toString
@@ -26,7 +26,7 @@ let
           "--security-param ${toString cfg.k}"
           "--genesis-file ${cfg.genesisFile}"
           "--genesis-hash ${cfg.genesisHash}"
-          "--socket-path ${if (ncfg.runtimeDir == null) then "${ncfg.stateDir}/socket" else "/run/${ncfg.runtimeDir}"}"
+          "--socket-path ${cfg.socketPath}"
           "--config ${cfg.nodeConfigFile}"
           "${optionalString cfg.timeoutIsSuccess "--timeout-is-success"}"
         ];
@@ -107,6 +107,13 @@ in {
         default = 20;
         description = ''Duration of a slot, in seconds.'';
       };
+      socketPath = mkOption {
+        type = types.str;
+        default = "${ncfg.stateDir}/socket/node-core-0.socket";
+        description = ''
+          Socket that the chairman will be connect to
+        '';
+      };
     };
   };
   config = mkIf cfg.enable ( let stateDirBase = "/var/lib/"; in {
diff --git a/nix/scripts.nix b/nix/scripts.nix
index cf019911b17..9f124848178 100644
--- a/nix/scripts.nix
+++ b/nix/scripts.nix
@@ -20,7 +20,7 @@ let
       signingKey = null;
       delegationCertificate = null;
       nodeId = 0;
-      stateDir = "./";
+      stateDir = ".";
       # defaults to proxy if env has no relays
       edgeHost = "127.0.0.1";
       edgeNodes = [];
diff --git a/nix/svclib.nix b/nix/svclib.nix
index 1e23f16ef48..98791a63dd8 100644
--- a/nix/svclib.nix
+++ b/nix/svclib.nix
@@ -50,7 +50,7 @@ let
           }) topoSpec;
         };
     in toFile "legacy-topology.json" (toJSON (mkTopo));
-  
+
   ## mkFullyConnectedLocalClusterTopology
   ##   :: String Address -> String Port -> Int PortNo -> Int Valency
   ##   -> Topology FilePath
@@ -70,8 +70,7 @@ let
       mkShelleyNode = id: {
         nodeId = id;
         nodeAddress = { port = port-base + id; addr = addr-fn id; };
-        producers = map (mkPeer) (remove id shelley-ids) ++
-                    [ { inherit valency; port = proxy-port; addr = proxy-addr; } ];
+        producers = { inherit valency; port = proxy-port; addr = proxy-addr; } ;
       };
       topology = map mkShelleyNode shelley-ids;
     in toFile "topology.yaml" (toJSON topology);
@@ -226,7 +225,7 @@ let
         enable = true;
         legacy-node-count = 4;
         shelley-node-count = 3;
-        genesis-dir = "${../configuration/b0109}";
+        genesis-dir = "${../configuration/c0c75}";
       }
     ## NOTE:  we do the above defaulting, so the following works, FWIW
     ##    nix-build -A scripts.mainnet.chairman