CodeHiRise is a hands-on engineering blog covering Cloud, Linux and Networking concepts providing beginner friendly tutorials.
The infrastructure is up. Now what? This second part of our production readiness series covers the operational essentials: keyless authentication, secrets management, dependency pinning, monitoring, log retention, WAF rollout strategy, backups, and cost alerting. Everything you need to keep a production cloud workload secure, observable, and recoverable.
Shipping your first cloud workload to production? This first part of a two-part series walks through the infrastructure foundations every developer and DevOps engineer should establish before going live: environment parity, network segregation and more.
Learn how to safely give temporary read-only access to Kubernetes pods, deployments, and pod logs using RBAC, ServiceAccounts, and a custom kubeconfig file. This beginner-friendly guide follows the principle of least privilege and includes step-by-step commands, YAML examples, and cleanup instructions.
Learn to integrate Home Assistant with InfluxDB v2 and Grafana to create real-time smart home dashboards for monitoring sensor data like temperature and power usage.
Step-by-step guide to creating a GitHub self hosted runner on an Ubuntu Virtual Machine. Optimize CI/CD pipelines for security, cost, and performance. Perfect for DevOps teams!
This article provides a tutorial on accessing AWS EC2 instances using AWS Systems Manager (SSM) and outlines the benefits and prerequisites associated with this approach. The key advantages include avoiding exposure of instances to the public internet, managing multiple instances without sharing SSH keys, and executing commands on instances without direct login.
This article lists 3 of the best Linux network tools used for network troubleshooting , including netstat for analyze network connections, ip for viewing and manipulating network objects and dig for query and analyze DNS with example code snippets.
The article provides a step-by-step guide on how to provision an AWS EC2 instance with an Ubuntu OS and configure Nginx on the server. It explains how to connect to the instance using SSH, install Nginx, and view Nginx in action.
In this article we will dive in to CAP Theorem in Distributed Systems, following proof of CAP theorem and how it is defines some of the databases in current market.
Discover how to create a realtime terminal command execution app using Node.js and Server Sent Event. This tutorial guides you through the process of streaming command output through Server-Sent Events (SSE), enabling realtime updates.
Discover how to build React frontend to receive terminal command execution output using SSE and integrate it with SSE API to view realtime command execution output.
A practical guide to understanding and using iptables in Linux. In this blog post, we explore what a firewall is and how iptables can be used to set up, maintain, and inspect the tables of IP packet filter rules within the Linux kernel, and setup iptables-persistent to persist ephemeral firewall rules. It also provides a step-by-step guide on how to block incoming http connections to a webserver and then unblock it using iptables commands.
