diff --git a/docs/computer languages/Computer_languages.md b/docs/computer languages/Computer_languages.md
index 73f7db7..0104488 100644
--- a/docs/computer languages/Computer_languages.md	
+++ b/docs/computer languages/Computer_languages.md	
@@ -2,6 +2,7 @@
 
 ## Guides/Misc...etc
 
+* [The Raft Consensus Algorithm](https://raft.github.io/)
 * [SonarLint](https://marketplace.visualstudio.com/items?itemName=SonarSource.sonarlint-vscode)
 * [vscode](https://code.visualstudio.com/)
 * [vscode github](https://github.com/microsoft/vscode)
diff --git a/docs/database/database.md b/docs/database/database.md
index cf2cef8..414c5ab 100644
--- a/docs/database/database.md
+++ b/docs/database/database.md
@@ -2,6 +2,14 @@
 
 ## guides/tips/misc...etcs
 
+* SQL GUI tools
+    * [HeidiSQL](https://www.heidisql.com/)
+    * [DBeaver](https://dbeaver.io/)
+    * [MySQL workbench](https://www.mysql.com/products/workbench/)
+    * [navicat premium](https://www.navicat.com/cht/products/navicat-premium)
+    * [vscode sql extensions](https://marketplace.visualstudio.com/search?term=tag%3Amysql&target=VSCode&category=All%20categories&sortBy=Relevance)
+        * [SQLTools](https://github.com/mtxr/vscode-sqltools)
+        * MySQL Shell for VS Code
 * [wikipedia/List_of_relational_database_management_systems](https://en.wikipedia.org/wiki/List_of_relational_database_management_systems)
 * [build-and-automate-your-python-etl-pipeline-with-airflow](https://morioh.com/a/7c5f74462887/build-and-automate-your-python-etl-pipeline-with-airflow)
     * [automate_etl_with_airflow.py](https://github.com/hnawaz007/pythondataanalysis/blob/main/ETL%20Pipeline/automate_etl_with_airflow.py)
@@ -130,12 +138,14 @@
 * AWS/AWS Prescriptive Guidance
     * [MyDumper](https://docs.aws.amazon.com/prescriptive-guidance/latest/migration-large-mysql-mariadb-databases/mydumper.html)    
 * AWS RDS
+    * [Questions tagged with Amazon Relational Database Service](https://repost.aws/tags/questions/TAsibBK6ZeQYihN9as4S_psg?view=all&search=mysql&sort=relevant)
     * [AWS RDS connection limits](https://serverfault.com/questions/862387/aws-rds-connection-limits)
         * The current RDS MySQL max_connections setting is default by {DBInstanceClassMemory/12582880}, if you use t2.micro with 512MB RAM, the max_connections could be (512*1024*1024)/12582880 ~= 40, and so on.
     ```shell
     SHOW GLOBAL VARIABLES LIKE 'max_connections';
     ```        
 * AWS RDS Aurora
+    * [Analyzing DB load by wait events](https://docs.aws.amazon.com/AmazonRDS/latest/AuroraUserGuide/USER_PerfInsights.UsingDashboard.AnalyzeDBLoad.html)
     * [Replication between Aurora and MySQL or between Aurora and another Aurora DB cluster (binary log replication)](https://docs.aws.amazon.com/AmazonRDS/latest/AuroraUserGuide/AuroraMySQL.Replication.MySQL.html#AuroraMySQL.Replication.MySQL.EnableReplication)
     * [Announcing Amazon Relational Database Service (RDS) Snapshot Export to S3](https://aws.amazon.com/about-aws/whats-new/2020/01/announcing-amazon-relational-database-service-snapshot-export-to-s3/)
     * [Restoring Parquet snapshot to a local version of mysql](https://community.zenduty.com/t/restoring-parquet-snapshot-to-a-local-version-of-mysql/536)
diff --git a/docs/network/ssh/ssh.md b/docs/network/ssh/ssh.md
new file mode 100644
index 0000000..ca159bc
--- /dev/null
+++ b/docs/network/ssh/ssh.md
@@ -0,0 +1,9 @@
+# ssh
+
+## Guides/Tips/Misc...etc
+
+* [OpenSSH ](https://www.openssh.com/)
+* SSH Tunneling
+    * Local port forwarding
+    * Remote Port Forwarding
+    * Dynamic Port Forwarding
\ No newline at end of file
diff --git a/docs/tools/automation.md b/docs/tools/automation.md
index 47aa18b..9253c76 100644
--- a/docs/tools/automation.md
+++ b/docs/tools/automation.md
@@ -3,12 +3,16 @@
 ## Tools/Guides/Tips/misc...
 
 * [OpenKore](https://github.com/OpenKore/openkore)
+* [pulumi](https://www.pulumi.com)
+    * [github/pulumi](https://github.com/pulumi/pulumi)
+    * [install](https://www.pulumi.com/docs/install/)
 * [terraform](https://www.terraform.io/)
     * [Install Terraform](https://developer.hashicorp.com/terraform/downloads)
 * [terraform-provider-proxmox](https://github.com/Telmate/terraform-provider-proxmox)
 
 ## ansible
 
+* [ansible.builtin.sudo become – Substitute User DO](https://docs.ansible.com/ansible/latest/collections/ansible/builtin/sudo_become.html#ansible-builtin-sudo-become-substitute-user-do)
 * [github.com/ansible](https://github.com/ansible/ansible)
 * [Ansible community documentation](https://docs.ansible.com/index.html)
 * [ansible_roadmap_index](https://docs.ansible.com/ansible/latest/roadmap/ansible_roadmap_index.html)
diff --git a/docs/tools/ci_and_cd_tools.md b/docs/tools/ci_and_cd_tools.md
index df4262e..dc86b15 100644
--- a/docs/tools/ci_and_cd_tools.md
+++ b/docs/tools/ci_and_cd_tools.md
@@ -31,4 +31,4 @@
         * [Skipping workflow runs](https://docs.github.com/en/actions/managing-workflow-runs/skipping-workflow-runs)
         * [publishing-packages/publishing-docker-images#introduction](https://docs.github.com/en/actions/publishing-packages/publishing-docker-images#introduction)
         * [publishing-images-to-docker-hub](https://docs.github.com/en/actions/publishing-packages/publishing-docker-images#publishing-images-to-docker-hub)
-        * [runner](https://github.com/actions/runner)
+        * [runner](https://github.com/actions/runner)
\ No newline at end of file