Posts | Blog Notes

2025

2025-10-10 - Hash Speed: MD5, SHA-1, SHA-256, SHA-512 in Go

2025-10-08 - How Kafka Bootstrap Connection Works

2025-10-03 - Slice vs Map Performance in Golang

2025-09-07 - Hash Speed in Golang

2025-08-13 - Force Clean Storage in Proxmox Backup Server

2025-07-27 - End-to-End Encryption for APIs with X25519 and AES

2025-07-24 - Private messages with X25519 and AES-256-GCM

2025-07-23 - JSON vs GOB in Golang: Performance and Use Case Comparison

2025-07-17 - Derive keys using HKDF with SHA256 in Go

2025-06-01 - XChaCha20-Poly1305 vs AES: Modern Encryption Comparison

2025-05-27 - Inside YubiKey OTP Tokens: Cryptographic Architecture

2025-05-07 - Store secrets for scripts in OSX

2025-05-07 - Automatic root passwords with Salt

2025-03-08 - AES Encryption Modes: GCM, CBC, CTR, and More

2025-02-24 - Port mirroring via nftables

2024

2024-12-02 - Using Vector and VictoriaLogs for Collect Switch Syslog

2024-11-11 - My Default Nftables Rules

2024-11-11 - Deploy YugabyteDB Cluster

2024-10-29 - Loopback detection on Juniper QFX

2024-10-29 - Using WireGuard for Site-to-Site VPN

2024-09-30 - Using Vector for Collect Switch Syslog

2024-08-25 - Stream read file in Golang

2024-08-08 - Opscode Chef ACL Usage

2024-07-14 - Juniper BGP Blackhole

2024-06-05 - How to generate a SHA256 HMAC in Go

2024-05-22 - Replace Proxmox Node

2024-03-15 - Disable ArgoCD local admin user

2024-03-13 - Generate RSA keys for SaltStack

2024-01-31 - Change default TLS certificate for Traefik in K3S

2024-01-31 - Deploy ArgoCD to K3S