~/Master tmux: From Terminal Multiplexer to a Go Session Manager (Read full article)
Learn tmux from scratch — sessions, windows, panes, and scripting — then build a Go CLI tool that launches your dev environment from a YAML config.
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Blog Articles: Devops
~/Log Aggregator From Scratch in Go (Read full article)
Build a log aggregator in Go from scratch. Tail files with inotify, survive log rotation, parse syslog and JSON, and shut down gracefully in 200 lines.
~/Terraform From Scratch: Provision AWS Infrastructure Step by Step (Read full article)
Learn Terraform with AWS from scratch. Start with a single S3 bucket, hit real errors, fix them, then build a VPC with an EC2 instance you can SSH into. Every …
~/Nginx Log Analysis: From grep to a Go Log Parser (Read full article)
Learn nginx log analysis step by step — start with grep and awk one-liners for quick answers, then build a Go log parser. Extract response times, find slow …
~/AWS CLI Automation: From Bash Scripts to Go (Read full article)
Learn AWS automation step by step. Start with AWS CLI commands for S3, EC2, and IAM, then build the same thing in Go with the AWS SDK. List instances, sync …
~/Config Templating: From envsubst to Go (Read full article)
Learn config templating step by step: start with envsubst for simple variable substitution, then build the same thing in Go with text/template. Handle missing …
~/Process Management: From Linux Commands to a Go Supervisor (Read full article)
Learn process management step by step. Start with ps, kill, and systemctl, then build the same thing in Go. Send signals, manage child processes, build a mini …
~/Linux Access Control: From sudo to a Go Security Scanner (Read full article)
Learn Linux access control step by step, starting with sudo and file permissions, then build the same thing in Go. Parse /etc/sudoers, audit file permissions, …
~/Timezones in Production: From Linux Commands to Go (Read full article)
Learn timezone handling step by step — start with date and timedatectl, then build the same thing in Go. Hit the DST parsing bug, fix it, build a log timestamp …
~/CPU Monitoring: From Linux Commands to a Go Dashboard (Read full article)
Learn CPU monitoring step by step — start with lscpu and nproc, then build the same thing in Go. Read /proc/stat, get confused by jiffies, fix it with the delta …