hopefully final fix

modules/k3s/default.nix

@@ -20,6 +20,9 @@ in
 
   config = mkIf cfg.enable {
     
+    boot.kernelModules = [ "fuse" ];
+    programs.fuse.userAllowOther = true;
+
     networking.firewall.allowedTCPPorts = [
       6443 # k3s, api server
       2379 # k3s, etcd clients

modules/k3s/deployments/storage-combo.nix

@@ -18,6 +18,7 @@
             securityContext = {
               runAsUser = 1000;
               runAsGroup = 1000;
+              capabilities.add = ["SYS_ADMIN"];
             };
             containers = [
               {
@@ -30,6 +31,18 @@
                     containerPort = 2222; 
                   }
                 ];
+                volumeMounts = [
+                  {
+                    name = "fuse-device";
+                    mountPath = "/dev/fuse";
+                  }
+                ];
+              }
+            ];
+            volumes = [
+              {
+                name = "fuse-device";
+                hostpath.path = "/dev/fuse";
               }
             ];
           };

modules/k3s/images/rsshfs-client.nix

@@ -69,7 +69,7 @@ let
 
     # MAIN SCRIPT
     echo "[ Creating ssh connection socket ]"
-    $SSHCMD -MfNx dev@$host
+    $SSHCMD -MfNx dev@$Host
 
     echo "[ Opening ssh reverse proxy ]"
     PORT=$($SSHCMD -O forward -R 0:localhost:2222 null)