@muhard

Debug GCP CloudBuild via Reverse Shell

Jun 24, 2025 · 2 min read · Motivation When attempting to debug an issue, it can be challenging to reproduce the problem on the machine used in the CI/CD process, especially if it is different from the local development environment. Because there is no direct access to the runn...

Install NGINX Ingress on K3S

Jan 3, 2024 · 2 min read · 1. Install K3S To install K3S, execute the following command with an explanation for INSTALL_K3S_EXEC: --disable traefik, servicelb: Remove traefik and servicelb --tls-san: Add additional hostnames or IPv4/IPv6 addresses as Subject Alternative Name...

Don't use MAC Address for VPN filtering

Sep 4, 2022 · 1 min read · 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 it, they used MAC address to register the person who wants to use the network, so I just need to bo...

Count total objects in S3 bucket

Aug 30, 2022 · 1 min read · 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 ways that I usually do to count the objects. 1. By using aws cli I know this is the programmatical...

Setup SSH Passwordless Login

Aug 24, 2022 · 1 min read · 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 password, you need to enter the password $ ssh-copy-id user@192.168.10.10 $ user@192.168.10.10's pas...