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- ZFS SLOG Sizing: How Much You Really Need (Not “Bigger Is Better”)
- Docker: I/O wait from hell — throttle the one container killing your host
- Docker: Limit Log Spam at the Source — App Logging Patterns That Save Disks
- ZFS iostat Basics: Turning Numbers Into a Bottleneck
- ZFS zdb Introduction: The Tool You Fear Until You Need It
- Import an ESXi VM into Proxmox: Windows/Linux, VirtIO Drivers, NIC Mapping, Boot Fixes
- Docker on SELinux/AppArmor Hosts: The Permission Errors Nobody Explains
- SPF Record Formatting: Quoting and Spaces That Quietly Break Email
- ZFS key management: The Part Everyone Forgets Until Disaster Day
- Ubuntu 24.04: SSH worked yesterday, now “Permission denied” — fix the 5 most common causes
- Ubuntu 24.04 updates broke kernel modules: rebuild initramfs correctly (case #28)
- Debian/Ubuntu Disk Latency Spikes: Prove It’s Storage, Not the App (Tools + Fixes)
- Ubuntu 24.04: PHP-FPM keeps crashing — the log line you must find (and the fixes)
- DNS over HTTPS and DNS over TLS: privacy without breaking corporate networks
- WordPress Thumbnail Issues: Regenerate Thumbnails Without Taking the Site Down
- A Non-Embarrassing 404 Page: Helpful Links, Search, Lightweight Humor
- ZFS ARC sizing: When Too Much Cache Slows Down Everything Else
- WordPress hacked: a step-by-step incident response that doesn’t make it worse
- Debian 13: Nginx suddenly returns 403/404 — permissions vs config, how to tell instantly
- Docker + UFW: Why your ports are open anyway — lock it down correctly
- IKEv2/IPsec: When It’s a Better Choice Than WireGuard or OpenVPN
- Ubuntu 24.04: VPN breaks DNS — fix resolvers and routes in the correct order (case #52)
- Ubuntu 24.04 “Illegal instruction”: CPU flags vs binaries — fix deployments cleanly (case #56)
- WordPress Gutenberg Editor Won’t Load: A Practical Debug Checklist
- Unsigned drivers: when security broke perfectly fine hardware
- MariaDB vs SQLite Locking: How to Avoid “Busy” Errors
- MariaDB vs MySQL: the one checklist that finds bottlenecks faster than tuning knobs
- Postfix Queue Stuck: The Safe Cleanup Workflow (No Data Loss)
- WordPress Update Failed: Fix Permissions, Disk Space, and Ownership the Right Way
- Docker + TLS: Let’s Encrypt inside/outside containers — pick the safe pattern
- WordPress 404 on Posts: Fix Permalinks Without Breaking SEO
- MySQL vs MongoDB: the “NoSQL because trendy” mistake that kills VPS performance
- ZFS Capacity Planning: Designing for Growth Without Rebuilding
- Docker AppArmor and seccomp: the minimum hardening that matters
- ZFS Special Small Blocks: How to Turbocharge Small-File Workloads
- Docker Multi-Host Without Kubernetes: Real Options and Hard Limits
- ZFS hot-swap strategy: How to Replace Disks Without Panic
- MySQL vs Aurora MySQL: “managed” doesn’t mean “faster”—what changes for real
- ZFS pools: Why ‘Partitions Thinking’ Makes Your Design Bad
- ZFS DDT Sizing: Predicting RAM Needs Before Enabling Dedup
- MySQL vs SQLite Backups: Who’s Easier to Recover Under Pressure
- Ubuntu 24.04: VLANs don’t work — the one bridge flag most people forget
- ZFS vdevs: The Rule You Break Once and Regret Forever
- PostgreSQL vs Percona Server performance myths: why “it’s faster” depends on workload