.

config.scm

@@ -206,6 +206,10 @@
                       hosts-service-type
                       (list (host "127.0.0.1" "l.redsky.io" '("ld.redsky.io"))
                             (host "::1" "l.redsky.io" '("ld.redsky.io")))))
+    (list
+     (service pam-limits-service-type
+              (list
+               (pam-limits-entry "*" 'both 'nofile 524288))))
     (list
      (service unattended-upgrade-service-type
               (unattended-upgrade-configuration

home/home-configuration.scm

@@ -31,7 +31,8 @@
 (home-environment
  ;; Below is the list of Home services.  To search for available
  ;; services, run 'guix home search KEYWORD' in a terminal.
- (services
+ (
+services
 (list
  (service home-shepherd-service-type)
  (service home-msmtp-service-type
@@ -120,7 +121,7 @@
                         "eudev"
                         "diff-so-fancy"
                         "firefox"
-                        "flatpak"
+                        "flatpak@1.14.6"
                         "font-libertinus"
                         "font-nerdfont-monaspice"
                         "font-nerdfont-iosevka-term-slab"