Nux
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Don't use MAC Address for VPN filtering

Sep 4, 20221 min read 88 views

A little background story. I forgot to bring my laptop that have been registered to connect to the office network (through VPN). But, there's flaws in...

Don't use MAC Address for VPN filtering

Count total objects in S3 bucket

Aug 30, 20221 min read 113 views

There are several ways to count the objects in S3 bucket. But, there is deficiency regarding the API calls which has its own price. So here are some...

Count total objects in S3 bucket

Setup SSH Passwordless Login

Aug 24, 20221 min read 85 views

1. Create ssh-keygen keys $ ssh-keygen -t rsa 2. Copy the ssh key using ssh-copy-id command $ ssh-copy-id user@192.168.10.10 3. If there's a prompt...

Setup SSH  Passwordless Login

Connect RDS (PostgreSQL) from Docker container

Aug 9, 20221 min read 161 views

Step 1: Run the postgres docker container $ docker run -it --rm --network=host postgres:11.16 bash root@a018fe70d745:/# apt update && apt install...

Connect RDS (PostgreSQL) from Docker container

Broken Jenkins Credentials

Feb 12, 20221 min read 81 views

Intro Hello everyone, after a long time I decided to continue this blog in my spare time so please forgive me if there are rarely updates 😃. Then...

Broken Jenkins Credentials

Federation and Identity Brokering on OpenStack using OpenID and Keycloak + FreeIPA

Jun 22, 20214 min read 548 views

Prerequisites FreeIPA and OpenStack is already configured. OpenStack is configured using Kolla Ansible. Keycloak is already configured and federated...

Federation and Identity Brokering on OpenStack using OpenID and Keycloak + FreeIPA