- fail2ban-digest-mode-fleet: recidive-only email model, sshd now silent, defaults-debian.conf gotcha added - netdata-docker-health-alarm-tuning: 30m/10m config, tuning history table - New: wp-fail2ban-logpath-debian-ubuntu, lora-adapter-gguf-conversion-fails, tailscale-status-json-hostname-localhost-ios - Various article updates and nav index refreshes Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
3.1 KiB
3.1 KiB
| created | updated |
|---|---|
| 2026-03-15T06:37 | 2026-04-30T10:41 |
🔧 General Troubleshooting
Practical fixes for common Linux, networking, and application problems.
🖥️ GPU & AI
- Qwen2.5-14B OOM on RTX 3080 Ti (12GB)
- LoRA adapter — GGUF conversion fails with 'config.json not found'
🌐 Networking & Web
- Apache Outage: Fail2ban Self-Ban + Missing iptables Rules
- Mail Client Stops Receiving: Fail2ban IMAP Self-Ban
- firewalld: Mail Ports Wiped After Reload
- Tailscale SSH: Unexpected Re-Authentication Prompt
- iOS Tailscale Clients Report HostName="localhost" — Breaks /etc/hosts Generators
- rsync over Tailscale: Hung in TCP Teardown After Transfer Completes
- Windows OpenSSH: WSL Default Shell Breaks Remote Commands
- Pi-hole AI Blocklist Blocks Claude Desktop (ERR_CONNECTION_REFUSED)
- ISP SNI Filtering & Caddy
- yt-dlp YouTube JS Challenge Fix
- wget/curl: URLs with Special Characters Fail in Bash
⚙️ Ansible & Fleet Management
- SSH Timeout During dnf upgrade on Fedora Hosts
- Vault Password File Missing
- ansible.cfg Ignored on WSL2 Windows Mounts
📦 Docker & Systems
- Docker & Caddy Recovery After Reboot (Fedora + SELinux)
- Gitea Actions Runner: Boot Race Condition Fix
- Systemd Session Scope Fails at Login (
session-cN.scope) - MajorWiki Setup & Publishing Pipeline
- Cron Heartbeat False Alarm: /var/run Cleared by Reboot