6 files changed, 6 insertions, 6 deletions
diff --git a/nixos/modules/services/databases/couchdb.nix b/nixos/modules/services/databases/couchdb.nix
index 0a81a8dceeee..bfecfbb3664f 100644
--- a/nixos/modules/services/databases/couchdb.nix
+++ b/nixos/modules/services/databases/couchdb.nix
@@ -79,7 +79,7 @@ in {
         '';
       };
 
-      # couchdb options: http://docs.couchdb.org/en/latest/config/index.html
+      # couchdb options: https://docs.couchdb.org/en/latest/config/index.html
 
       databaseDir = mkOption {
         type = types.path;
diff --git a/nixos/modules/services/databases/firebird.nix b/nixos/modules/services/databases/firebird.nix
index 26ed46f0e60c..3927c81d953d 100644
--- a/nixos/modules/services/databases/firebird.nix
+++ b/nixos/modules/services/databases/firebird.nix
@@ -17,7 +17,7 @@
 # There are at least two ways to run firebird. superserver has been chosen
 # however there are no strong reasons to prefer this or the other one AFAIK
 # Eg superserver is said to be most efficiently using resources according to
-# http://www.firebirdsql.org/manual/qsg25-classic-or-super.html
+# https://www.firebirdsql.org/manual/qsg25-classic-or-super.html
 
 with lib;
 
diff --git a/nixos/modules/services/databases/pgmanage.nix b/nixos/modules/services/databases/pgmanage.nix
index 12c8253ab49c..a0933a5ffc45 100644
--- a/nixos/modules/services/databases/pgmanage.nix
+++ b/nixos/modules/services/databases/pgmanage.nix
@@ -66,7 +66,7 @@ in {
         pgmanage requires at least one PostgreSQL server be defined.
 
         Detailed information about PostgreSQL connection strings is available at:
-        <http://www.postgresql.org/docs/current/static/libpq-connect.html>
+        <https://www.postgresql.org/docs/current/libpq-connect.html>
 
         Note that you should not specify your user name or password. That
         information will be entered on the login screen. If you specify a
diff --git a/nixos/modules/services/databases/postgresql.md b/nixos/modules/services/databases/postgresql.md
index e4b679a3eee0..d65d9616e2f2 100644
--- a/nixos/modules/services/databases/postgresql.md
+++ b/nixos/modules/services/databases/postgresql.md
@@ -5,7 +5,7 @@
 
 *Source:* {file}`modules/services/databases/postgresql.nix`
 
-*Upstream documentation:* <http://www.postgresql.org/docs/>
+*Upstream documentation:* <https://www.postgresql.org/docs/>
 
 <!-- FIXME: more stuff, like maintainer? -->
 
diff --git a/nixos/modules/services/databases/postgresql.nix b/nixos/modules/services/databases/postgresql.nix
index 21e6a60e32a3..af4db5c9611f 100644
--- a/nixos/modules/services/databases/postgresql.nix
+++ b/nixos/modules/services/databases/postgresql.nix
@@ -588,7 +588,7 @@ in
                    else "simple";
 
             # Shut down Postgres using SIGINT ("Fast Shutdown mode").  See
-            # http://www.postgresql.org/docs/current/static/server-shutdown.html
+            # https://www.postgresql.org/docs/current/server-shutdown.html
             KillSignal = "SIGINT";
             KillMode = "mixed";
 
diff --git a/nixos/modules/services/databases/redis.nix b/nixos/modules/services/databases/redis.nix
index 86b295dadf49..315a0282cd73 100644
--- a/nixos/modules/services/databases/redis.nix
+++ b/nixos/modules/services/databases/redis.nix
@@ -63,7 +63,7 @@ in {
 
       vmOverCommit = mkEnableOption (lib.mdDoc ''
         setting of vm.overcommit_memory to 1
-        (Suggested for Background Saving: http://redis.io/topics/faq)
+        (Suggested for Background Saving: <https://redis.io/docs/get-started/faq/>)
       '');
 
       servers = mkOption {