diff --git a/hosts/idols-aquamarine/monitoring/module/default.nix b/hosts/idols-aquamarine/monitoring/module/default.nix
index 3fc207cb..6f425c1b 100644
--- a/hosts/idols-aquamarine/monitoring/module/default.nix
+++ b/hosts/idols-aquamarine/monitoring/module/default.nix
@@ -13,8 +13,8 @@ with lib; let
       "${cfg.package}/bin/victoria-metrics"
       "-storageDataPath=/var/lib/${cfg.stateDir}"
       "-httpListenAddr=${cfg.listenAddress}"
-      "-retentionPeriod=${cfg.retentionPeriod}"
     ]
+    ++ lib.optionals (cfg.retentionPeriod != null) ["-retentionPeriod=${cfg.retentionPeriod}"]
     ++ cfg.extraOptions;
   prometheusConfigYml = checkedConfig (
     settingsFormat.generate "prometheusConfig.yaml" cfg.prometheusConfig
@@ -27,7 +27,7 @@ with lib; let
     '';
 in {
   options.services.my-victoriametrics = {
-    enable = mkEnableOption "VictoriaMetrics, a time series database.";
+    enable = mkEnableOption "VictoriaMetrics is a fast, cost-effective and scalable monitoring solution and time series database.";
     package = mkPackageOption pkgs "victoriametrics" {};
 
     listenAddress = mkOption {
@@ -127,11 +127,10 @@ in {
       serviceConfig = {
         ExecStart = lib.escapeShellArgs (
           startCLIList
-          ++ lib.optional (cfg.prometheusConfig != null) ["-promscrape.config=${prometheusConfigYml}"]
+          ++ lib.optionals (cfg.prometheusConfig != null) ["-promscrape.config=${prometheusConfigYml}"]
         );
 
         DynamicUser = true;
-        User = "victoriametrics";
         RestartSec = 1;
         Restart = "on-failure";
         RuntimeDirectory = "victoriametrics";
diff --git a/hosts/idols-aquamarine/sftpgo.nix b/hosts/idols-aquamarine/sftpgo.nix
index d1350ae6..50a1fe52 100644
--- a/hosts/idols-aquamarine/sftpgo.nix
+++ b/hosts/idols-aquamarine/sftpgo.nix
@@ -8,7 +8,7 @@ in {
   # Create Directories
   # https://www.freedesktop.org/software/systemd/man/latest/tmpfiles.d.html#Type
   systemd.tmpfiles.rules = [
-    "d ${dataDir} 0755 ${user} ${user}"
+    "D ${dataDir} 0755 ${user} ${user}"
   ];
 
   services.sftpgo = {
diff --git a/lib/colmenaSystem.nix b/lib/colmenaSystem.nix
index 221385ba..096ef52c 100644
--- a/lib/colmenaSystem.nix
+++ b/lib/colmenaSystem.nix
@@ -30,6 +30,7 @@ in
           {
             home-manager.useGlobalPkgs = true;
             home-manager.useUserPackages = true;
+            home-manager.backupFileExtension = "home-manager.backup";
 
             home-manager.extraSpecialArgs = specialArgs;
             home-manager.users."${myvars.username}".imports = home-modules;
diff --git a/lib/macosSystem.nix b/lib/macosSystem.nix
index ef17b47a..ad83cebe 100644
--- a/lib/macosSystem.nix
+++ b/lib/macosSystem.nix
@@ -27,6 +27,7 @@ in
           {
             home-manager.useGlobalPkgs = true;
             home-manager.useUserPackages = true;
+            home-manager.backupFileExtension = "home-manager.backup";
 
             home-manager.extraSpecialArgs = specialArgs;
             home-manager.users."${myvars.username}".imports = home-modules;
diff --git a/lib/nixosSystem.nix b/lib/nixosSystem.nix
index 6203e149..92c6a32e 100644
--- a/lib/nixosSystem.nix
+++ b/lib/nixosSystem.nix
@@ -25,6 +25,7 @@ in
           {
             home-manager.useGlobalPkgs = true;
             home-manager.useUserPackages = true;
+            home-manager.backupFileExtension = "home-manager.backup";
 
             home-manager.extraSpecialArgs = specialArgs;
             home-manager.users."${myvars.username}".imports = home-modules;