diff --git a/pl/cross/messaging/kafka/tools/client/confluent-cli.txt b/pl/cross/messaging/kafka/tools/client/confluent-cli.txt
new file mode 100644
index 000000000..7373ee84e
--- /dev/null
+++ b/pl/cross/messaging/kafka/tools/client/confluent-cli.txt
@@ -0,0 +1,6 @@
+https://github.com/confluentinc/cli
+    sudo rpm --import https://packages.confluent.io/confluent-cli/rpm/archive.key
+    sudo yum install yum-utils
+    sudo yum-config-manager --add-repo https://packages.confluent.io/confluent-cli/rpm/confluent-cli.repo
+    # sudo yum clean all && sudo yum install confluent-cli
+    sudo yum install confluent-cli
diff --git a/pl/cross/messaging/kafka/tools/client/kcat.txt b/pl/cross/messaging/kafka/tools/client/kcat.txt
new file mode 100644
index 000000000..e3a30c1d7
--- /dev/null
+++ b/pl/cross/messaging/kafka/tools/client/kcat.txt
@@ -0,0 +1,4 @@
+https://github.com/edenhill/kcat
+https://rmoff.net/2018/08/02/kafka-listeners-explained/
+
+docker run --rm --network=host edenhill/kafkacat:1.5.0 kafkacat -b localhost:29092 -L
diff --git a/pl/java/libfws/spring/data/test.txt b/pl/java/libfws/spring/data/test.txt
new file mode 100644
index 000000000..18fd0aeb8
--- /dev/null
+++ b/pl/java/libfws/spring/data/test.txt
@@ -0,0 +1,2 @@
+spring.test.database.replace: none
+https://habr.com/ru/articles/446184/