majorlinux
ae563efc9e
- New: 05-troubleshooting/networking/pihole-blocks-claude-desktop.md Covers diagnosis via FTL SQLite query log, gravity DB adlist lookup, fix via type-0 domainlist whitelist entry + pihole reloaddns, and why NULL blocking mode produces TCP refused instead of NXDOMAIN. - Updated SUMMARY.md and 05-troubleshooting/index.md with new entry
2.6 KiB
2.6 KiB
| created | updated |
|---|---|
| 2026-03-15T06:37 | 2026-04-22T18:11 |
🔧 General Troubleshooting
Practical fixes for common Linux, networking, and application problems.
🖥️ GPU & AI
🌐 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
- 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