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- Proxmox Linux VM Slow Disk: Controller + Cache Choices That Fix Stutter
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- Ubuntu 24.04: sudo is slow — DNS/hostname fixes that remove the delay (case #6)
- Debian 13: fio benchmarks lie — how to test storage without fooling yourself
- Proxmox Disks Not Detected: HBA, BIOS, and Cabling Quick Checklist
- MySQL vs PostgreSQL on a 4GB RAM VPS: What to Set First for Websites
- MySQL vs ClickHouse: Stop Analytics from Killing OLTP (The Clean Split Plan)
- Docker Desktop Networking Weirdness: LAN Access, Ports, and DNS Fixes That Actually Work
- Ubuntu 24.04: “Failed to get D-Bus connection” — fix broken sessions and services (case #48)
- ZFS Scrub Slow: How to Tell Normal Slowness From a Real Problem
- Debian 13: Service won’t start after config change — fix it by reading the right log lines (case #1)
- Proxmox “cluster not ready – no quorum?”: restore quorum without making it worse
- Postfix “host not found”: DNS issues that silently kill email
- Ubuntu 24.04: Reboot required… but you can’t reboot — smart ways to plan maintenance
- PostgreSQL vs SQLite: scaling path—how to move from file DB without downtime
- WordPress Duplicate Content Fix: Canonical, Trailing Slash, and WWW Without Cannibalization
- ZFS ARC per TB: RAM Sizing Without Myths and Forum Religion
- Ubuntu 24.04: Reverse path filtering — the hidden setting that breaks multi-homing (case #54)
- ZFS Readonly: The Anti-Ransomware Trick You Can Deploy Today
- Docker Pull Is Painfully Slow: DNS, MTU, and Proxy Fixes That Actually Work
- Docker networks: Bridge vs host vs macvlan — pick the one that won’t bite later
- Debian 13: DNS split-horizon gone wrong — fix internal names without breaking the internet (case #33)
- Proxmox “Permission Denied” in Datacenter: Roles and ACLs Done Right
- MariaDB vs PostgreSQL: Replication vs PITR—What Actually Saves You After Human Error
- DNS TTL Mistakes That Haunt Migrations — How to Set TTL Like a Pro
- Sticky header that hides on scroll: CSS-first approach + minimal JS fallback
- ZFS SATA Link Resets: The Controller/Cable Failure Pattern
- Docker Healthchecks Done Right — Stop Deploying “Green” Failures
- VPN logs that matter: find “won’t connect” causes in MikroTik/Linux logs
- Debian 13: Recover root access with rescue mode — do it without making it worse
- Docker: Start Order vs Readiness — the Approach That Prevents False Starts
- SPF/DKIM Pass but Still Spam: The Hidden Signals to Fix
- Pure CSS Skeleton Screens: Shimmer, Reduced Motion, and Performance
- WordPress 100% CPU usage: find the plugin/bot hammering your site
- Email ARC explained (the short, useful version) — when it helps forwarded mail
- Proxmox “node not in cluster”: what happened and how to rejoin correctly
- Proxmox “unable to write /etc/pve/*”: disk, pmxcfs, or permissions — how to tell
- ZFS SAS Expander Tuning: Avoiding Saturation and Link Bottlenecks
- Ubuntu 24.04: Jumbo frames break “only some” traffic — how to test and fix MTU safely
- Office VPN with Dynamic IPs: DDNS and Strategies That Don’t Fall Apart
- Storage for Virtualization on Proxmox: ZFS vs Ceph vs iSCSI vs NFS
- Proxmox NFS “stale file handle”: why it happens and how to prevent it
- WordPress REST API Blocked by a Security Plugin: Allow Safely, Not Blindly
- MySQL vs RDS MySQL: the hidden limits that bite during incidents
- PostgreSQL vs Redis for sessions, rate limits, and queues
- Proxmox “guest agent not running”: enable QEMU Guest Agent and make it stick
- Debian 13: systemd timers vs cron — switching for reliability (and avoiding common traps)