- Docker Compose Rollback: The Fastest Path Back From a Bad Deploy
- Proxmox Ceph OSD Down: Disk vs Network vs Service — Fast Identification
- Stability vs Performance at Home: Where to Draw the Line
- WordPress .htaccess Broke the Site: Restore a Safe Default Properly
- Docker IPv6 in Containers: Enable It Properly (and Avoid Surprise Leaks)
- Laptop i7, slow as a potato: when power limits laugh at buyers
- WordPress Sitemap Not Indexing: Common Causes and Fixes
- Proxmox live migration fails: what to verify for network, CPU flags, and storage
- WordPress 503 Service Unavailable: what to check when the site is down
- Proxmox vzdump backup failed: 10 real causes and how to check in order
- Proxmox SMART warnings: which attributes actually predict failure
- Email Queue Keeps Growing — Find the Culprit Before Mail Stops
- MariaDB vs SQLite Performance: Why “Fast Locally” Can Be Slow in Production
- Office VPN Quality Tests: Measure Latency, Jitter, and Loss to Prove ISP Problems
- VPN security: 12 mistakes that turn a “private tunnel” into an incident
- Ubuntu 24.04: DKMS broke after kernel update — recover drivers without downtime
- Ubuntu 24.04: Disk is “full” but df looks fine — inode exhaustion explained (and fixed)
- VoIP over VPN: Stop Robotic Audio with MTU, Jitter, and QoS Basics
- Docker NFS Volumes Timing Out: Mount Options That Actually Improve Stability
- ZFS ZVOL vs Dataset: The Decision That Changes Your Future Pain
- Docker Compose: Environment variables betray you — the .env mistakes that break prod
- Google Search Console “Page with redirect”: When It’s Fine and When It Hurts
- MariaDB vs SQLite for Write Bursts: Who Handles Spikes Without Drama
- Dovecot: maildir vs mdbox — pick storage that won’t haunt you later
- Debian 13 “Broken pipe” errors: when it’s harmless and when it’s your first warning (case #75)
- Proxmox LXC Network Broken: The veth/tap Checklist That Actually Finds the Cause
- PostgreSQL vs Percona Server: operations—what’s simpler to run at 3AM
- ZFS zfs promote: Untangling Clone Chains Without Data Loss
- Proxmox PBS “datastore not found”: why PVE can’t see it and how to fix
- ZFS Immutable Backups: Readonly + Snapshot Policies That Actually Hold Up
- Debian 13 policy routing: debug ip rule and ip route without pain
- Ubuntu 24.04 “Stale file handle” on NFS: why it happens and how to stop it
- ZFS glossary: VDEV, TXG, ARC, SPA—Everything You Pretended to Know
- ZFS using SATA SSD as SLOG: The Cheap Upgrade That Often Fails
- WordPress “Destination folder already exists”: fix installs without a wp-content mess
- Debian 13: Fix “Too many redirects” in Nginx by correcting canonical and HTTPS loops (case #71)
- Debian/Ubuntu Web Root Permissions: Stop 403s Without 777 (Case #69)
- Debian 13: Disk writeback storms — tune vm.dirty settings without data risk (case #45)
- Proxmox ZFS “pool is not healthy”: what to do before it gets worse
- Email: Mailbox full — prevent it and recover cleanly when it happens
- Why Windows and Linux Can Give Different FPS on the Same CPU
- ZFS volblocksize Migration: Why You Usually Must Recreate the ZVOL
- Email TLS-RPT: Get visibility into TLS failures (and fix them)
- Ubuntu 24.04: Certbot renews but your app still fails — fix permissions and reload hooks
- Ubuntu 24.04: CIFS mount says “Permission denied” — the exact options that fix it
- ZFS Recordsize Migration: Changing Strategy Without Rewriting Everything
- Debian 13 Stuck in initramfs: What It Really Means and How to Get Your System Back
- Office VPN + VLAN: connect segments safely without flattening the network
- Debian 13: Your server won’t boot after updates — the clean GRUB rollback that actually works
- ZFS sync: The Setting That Can Make You Fast… and Unsafe