Upgrade Kubernetes on RHEL 8
Upgrade Kubernetes on RHEL 8 Read More »
Server Environment
Ubuntu server install Kubernetes
This article will show you how install kubernetes on Ubuntu server (24) Update package repo Run below command to update package repository Run below command to install required tools Download kubernetes public signing key Run below command to download and save kubernetes signing key Run below command to allow unprivileged APT programs to read this
Ubuntu server install Kubernetes Read More »
Ubuntu common used command
Commonly used commands on Ubuntu Server Enable firewall Check firewall status Open ports Delete port from firewall
Ubuntu common used command Read More »
Build REST API with Flask
This article will show you how to use Flask framework to build rest api server on MacOS. Setup Python Environment Install Flask Create your project folder, eg. market-watcher, then create a folder named .venv Run below command to create a virtual environment for python. Then activate the virtual environment by running below command: You should
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Build DNS Server
Think of it as the phonebook of the internet. When you type a website address (like www.example.com), your computer needs to know the corresponding IP address (like 192.168.1.1) to connect. A DNS server acts as the intermediary, translating the human-readable domain name into the machine-readable IP address.