diff --git a/db/sql/postgres/ext/ext.txt b/db/sql/postgres/ext/ext.txt
new file mode 100644
index 000000000..2adcff8b2
--- /dev/null
+++ b/db/sql/postgres/ext/ext.txt
@@ -0,0 +1,5 @@
+pg_available_extensions (available for install)
+    https://www.postgresql.org/docs/current/view-pg-available-extensions.html
+
+pg_extension (installed)
+    https://www.postgresql.org/docs/current/catalog-pg-extension.html
diff --git a/db/sql/postgres/feature/cfg/cfg.txt b/db/sql/postgres/feature/cfg/cfg.txt
index 9ef2891f3..e9d05e284 100644
--- a/db/sql/postgres/feature/cfg/cfg.txt
+++ b/db/sql/postgres/feature/cfg/cfg.txt
@@ -13,3 +13,5 @@ postgresql.auto.conf
     alter system set/reset <par> to <val>;
 
 select pg_settings from pg_show_all_settings ...
+!!!
+show config_file;
diff --git a/db/sql/postgres/feature/cfg/security/ssl.txt b/db/sql/postgres/feature/cfg/security/ssl.txt
index 55d4398d4..b57bae85e 100644
--- a/db/sql/postgres/feature/cfg/security/ssl.txt
+++ b/db/sql/postgres/feature/cfg/security/ssl.txt
@@ -1,3 +1,31 @@
 https://www.postgresql.org/docs/current/ssl-tcp.html
+https://postgrespro.ru/docs/postgrespro/current/sslinfo
+https://www.postgresql.org/docs/current/monitoring-stats.html#MONITORING-PG-STAT-SSL-VIEW
 
 https://www.opswat.com/docs/mdcore/installation/ssl-connection-for-postgresql-communication
+
+https://www.postgresql.org/docs/current/sslinfo.html
+
+https://docs.arenadata.io/adb/adminguide/sslencr.html
+https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/PostgreSQL.Concepts.General.SSL.html
+
+https://doxygen.postgresql.org/sslinfo_8c_source.html
+
+https://learn.microsoft.com/en-us/azure/postgresql/flexible-server/how-to-connect-tls-ssl
+    psql "sslmode=verify-full sslrootcert=/path-to/DigiCertGlobalRootCA.crt.pem host=mydemoserver.postgres.database.azure.com dbname=postgres user=myadmin"
+
+2025
+https://www.ibm.com/docs/en/sqsp/51?topic=dr-step-3-configuring-postgres-ssl
+2024
+https://goteleport.com/learn/postgresql-ssl-authentication-guide/
+https://dev.to/dm8ry/postgresql-how-to-check-connections-that-are-not-using-ssl-encryption-42am
+    SELECT usename, datname, ssl, client_addr, query 
+    FROM pg_stat_ssl 
+    JOIN pg_stat_activity ON pg_stat_ssl.pid = pg_stat_activity.pid 
+    WHERE ssl!='t'
+2023
+https://demirhuseyinn-94.medium.com/postgresql-ssl-configuration-to-connect-database-114f867d96e0
+2022
+https://knowledge.informatica.com/s/article/DOC-19085?language=en_US
+2021
+https://www.cybertec-postgresql.com/en/setting-up-ssl-authentication-for-postgresql/
diff --git a/db/sql/postgres/feature/internals/catalog/catalog.txt b/db/sql/postgres/feature/internals/catalog/catalog.txt
new file mode 100644
index 000000000..b61d4171c
--- /dev/null
+++ b/db/sql/postgres/feature/internals/catalog/catalog.txt
@@ -0,0 +1 @@
+https://www.postgresql.org/docs/current/catalogs.html
diff --git a/db/sql/postgres/feature/performance/index/index.txt b/db/sql/postgres/feature/performance/index/index.txt
index b65e784ab..0797150fc 100644
--- a/db/sql/postgres/feature/performance/index/index.txt
+++ b/db/sql/postgres/feature/performance/index/index.txt
@@ -1,5 +1,12 @@
 https://postgrespro.ru/docs/postgresql/14/indexes-types
 
+!!!
+https://github.com/ankane/pghero/blob/master/lib/pghero/methods/indexes.rb
+https://github.com/ankane/pghero/blob/master/lib/pghero/methods/suggested_indexes.rb
+https://github.com/ankane/pghero/blob/master/lib/pghero/methods/maintenance.rb
+https://github.com/ankane/pghero/blob/master/lib/pghero/methods/space.rb
+https://github.com/ankane/pghero/blob/master/lib/pghero/methods/queries.rb
+
 create index <name>
     on ... concurrently;
 
diff --git a/db/sql/postgres/tools/dashboard/pghero.txt b/db/sql/postgres/tools/dashboard/pghero.txt
new file mode 100644
index 000000000..eba3c4658
--- /dev/null
+++ b/db/sql/postgres/tools/dashboard/pghero.txt
@@ -0,0 +1,2 @@
+https://github.com/ankane/pghero/
+https://github.com/ankane/pghero/blob/master/lib/pghero/methods/query_stats.rb
diff --git a/db/sql/postgres/tools/pghero.txt b/db/sql/postgres/tools/pghero.txt
deleted file mode 100644
index 1438ef664..000000000
--- a/db/sql/postgres/tools/pghero.txt
+++ /dev/null
@@ -1 +0,0 @@
-https://github.com/ankane/pghero/
diff --git a/devops/container/docker/cli/debug.txt b/devops/container/docker/cli/debug.txt
new file mode 100644
index 000000000..0e6989246
--- /dev/null
+++ b/devops/container/docker/cli/debug.txt
@@ -0,0 +1,4 @@
+https://docs.docker.com/reference/cli/docker/debug/
+    !!! requires a Pro, Team, or Business subcription. 
+
+    ??? nixos
diff --git a/devops/container/docker/tools/composing/compose/features/hooks.txt b/devops/container/docker/tools/composing/compose/features/hooks.txt
new file mode 100644
index 000000000..45b4b45ab
--- /dev/null
+++ b/devops/container/docker/tools/composing/compose/features/hooks.txt
@@ -0,0 +1,2 @@
+2024
+https://habr.com/ru/articles/856698/
diff --git a/pl/cross/messaging/kafka/features/config/articles.txt b/pl/cross/messaging/kafka/features/config/articles.txt
index 8c0740047..ab3c294cd 100644
--- a/pl/cross/messaging/kafka/features/config/articles.txt
+++ b/pl/cross/messaging/kafka/features/config/articles.txt
@@ -1,3 +1,6 @@
+2024
+https://manjulapiyumal.medium.com/mastering-kafka-advanced-concepts-every-senior-software-engineer-should-know-9283664c99e1
+    https://nuancesprog.ru/p/27478/
 2022
 https://habr.com/ru/company/southbridge/blog/688328/
 2020
diff --git a/pl/java/libfws/micro/ibm-quarkus/docs/books.txt b/pl/java/libfws/micro/ibm-quarkus/docs/books.txt
new file mode 100644
index 000000000..2f80e8497
--- /dev/null
+++ b/pl/java/libfws/micro/ibm-quarkus/docs/books.txt
@@ -0,0 +1,2 @@
+????
+Quarcus in Action