91455fac39
New articles: - pihole-doh-dot-bypass-defense - pihole-v6-adlist-management - mastodon-db-maintenance - mastodon-federation - fantastical-google-phantom-calendar-syncselect - rsync-tailscale-teardown-stall - ollama-chat-template-pipe-stdin-bypass Updated: wsl2-backup, wsl2-rebuild, ssh-config-key-management, selfhosting index, mastodon-instance-tuning, ansible-check-mode, windows-openssh, windows-sshd, yt-dlp, README, SUMMARY, index Removed: fedora-usrmerge-ebtables-blocker (superseded by prior push)
2.9 KiB
2.9 KiB
| created | updated |
|---|---|
| 2026-03-15T06:37 | 2026-04-25T12:57 |
🔧 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
- 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