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majorwiki/SUMMARY.md
majorlinux 4126656c05 wiki: update fail2ban digest + netdata docker health + 3 new articles 
- 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>
2026-05-02 14:58:07 -04:00

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---
created: 2026-04-02T16:03
updated: 2026-04-30T11:24
---
* [Home](index.md)
* [Linux & Sysadmin](01-linux/index.md)
* [Linux File Permissions](01-linux/files-permissions/linux-file-permissions.md)
* [Managing Linux Services with systemd](01-linux/process-management/managing-linux-services-systemd-ansible.md)
* [SSH Config & Key Management](01-linux/networking/ssh-config-key-management.md)
* [Package Management Reference](01-linux/packages/package-management-reference.md)
* [Ansible Getting Started](01-linux/shell-scripting/ansible-getting-started.md)
* [Bash Scripting Patterns](01-linux/shell-scripting/bash-scripting-patterns.md)
* [SnapRAID & MergerFS Storage Setup](01-linux/storage/snapraid-mergerfs-setup.md)
* [mdadm — Rebuilding a RAID Array After Reinstall](01-linux/storage/mdadm-raid-rebuild.md)
* [Linux Distro Guide for Beginners](01-linux/distro-specific/linux-distro-guide-beginners.md)
* [WSL2 Instance Migration to Fedora 43](01-linux/distro-specific/wsl2-instance-migration-fedora43.md)
* [WSL2 Training Environment Rebuild](01-linux/distro-specific/wsl2-rebuild-fedora43-training-env.md)
* [WSL2 Backup via PowerShell](01-linux/distro-specific/wsl2-backup-powershell.md)
* [Self-Hosting & Homelab](02-selfhosting/index.md)
* [Self-Hosting Starter Guide](02-selfhosting/docker/self-hosting-starter-guide.md)
* [Docker vs VMs for the Homelab](02-selfhosting/docker/docker-vs-vms-homelab.md)
* [Debugging Broken Docker Containers](02-selfhosting/docker/debugging-broken-docker-containers.md)
* [Docker Healthchecks](02-selfhosting/docker/docker-healthchecks.md)
* [Watchtower SMTP via Localhost Postfix Relay](02-selfhosting/docker/watchtower-smtp-localhost-relay.md)
* [Setting Up Caddy as a Reverse Proxy](02-selfhosting/reverse-proxy/setting-up-caddy-reverse-proxy.md)
* [Tailscale for Homelab Remote Access](02-selfhosting/dns-networking/tailscale-homelab-remote-access.md)
* [Network Overview](02-selfhosting/dns-networking/network-overview.md)
* [Wake-on-LAN via Router SSH](02-selfhosting/dns-networking/wake-on-lan-router-ssh.md)
* [Pi-hole v6 Group Management — Per-Client DNS Rules](02-selfhosting/dns-networking/pihole-v6-group-management.md)
* [AWS S3 Cost Management](02-selfhosting/cloud/aws-s3-cost-management.md)
* [rsync Backup Patterns](02-selfhosting/storage-backup/rsync-backup-patterns.md)
* [Tuning Netdata Web Log Alerts](02-selfhosting/monitoring/tuning-netdata-web-log-alerts.md)
* [Tuning Netdata Docker Health Alarms](02-selfhosting/monitoring/netdata-docker-health-alarm-tuning.md)
* [Deploying Netdata to a New Server](02-selfhosting/monitoring/netdata-new-server-setup.md)
* [Netdata SELinux AVC Denial Monitoring](02-selfhosting/monitoring/netdata-selinux-avc-chart.md)
* [Netdata n8n Enriched Alert Emails](02-selfhosting/monitoring/netdata-n8n-enriched-alerts.md)
* [Updating n8n Running in Docker](02-selfhosting/services/updating-n8n-docker.md)
* [Mastodon Instance Tuning](02-selfhosting/services/mastodon-instance-tuning.md)
* [Ghost Email Configuration with Mailgun](02-selfhosting/services/ghost-smtp-mailgun-setup.md)
* [Claude Code Remote Control — Mobile Access to a Persistent Host Session](02-selfhosting/services/claude-code-remote-control.md)
* [Linux Server Hardening Checklist](02-selfhosting/security/linux-server-hardening-checklist.md)
* [Standardizing unattended-upgrades with Ansible](02-selfhosting/security/ansible-unattended-upgrades-fleet.md)
* [Fail2ban Custom Jail: Apache 404 Scanner Detection](02-selfhosting/security/fail2ban-apache-404-scanner-jail.md)
* [Fail2ban Custom Jail: Apache PHP Webshell Probe Detection](02-selfhosting/security/fail2ban-apache-php-probe-jail.md)
* [Fail2ban Custom Jail: WordPress Login Brute Force](02-selfhosting/security/fail2ban-wordpress-login-jail.md)
* [wp-fail2ban Plugin Logpath on Debian/Ubuntu (auth.log not syslog)](02-selfhosting/security/wp-fail2ban-logpath-debian-ubuntu.md)
* [SELinux: Fixing Fail2ban grep execmem Denial](02-selfhosting/security/selinux-fail2ban-execmem-fix.md)
* [UFW Firewall Management](02-selfhosting/security/ufw-firewall-management.md)
* [Firewall Hardening with firewalld on Fedora Fleet](02-selfhosting/security/firewalld-fleet-hardening.md)
* [Fail2ban Custom Jail: Nginx Bad Request Detection](02-selfhosting/security/fail2ban-nginx-bad-request-jail.md)
* [Fail2ban Custom Jail: Apache Bad Request Detection](02-selfhosting/security/fail2ban-apache-bad-request-jail.md)
* [SSH Hardening Fleet-Wide with Ansible](02-selfhosting/security/ssh-hardening-ansible-fleet.md)
* [ClamAV Fleet Deployment with Ansible](02-selfhosting/security/clamav-fleet-deployment.md)
* [Open Source & Alternatives](03-opensource/index.md)
* [SearXNG: Private Self-Hosted Search](03-opensource/alternatives/searxng.md)
* [FreshRSS: Self-Hosted RSS Reader](03-opensource/alternatives/freshrss.md)
* [Gitea: Self-Hosted Git](03-opensource/alternatives/gitea.md)
* [rmlint: Duplicate File Scanning](03-opensource/productivity/rmlint-duplicate-scanning.md)
* [tmux: Persistent Terminal Sessions](03-opensource/dev-tools/tmux.md)
* [screen: Simple Persistent Sessions](03-opensource/dev-tools/screen.md)
* [rsync: Fast, Resumable File Transfers](03-opensource/dev-tools/rsync.md)
* [Ventoy: Multi-Boot USB Tool](03-opensource/dev-tools/ventoy.md)
* [Vaultwarden: Self-Hosted Password Manager](03-opensource/privacy-security/vaultwarden.md)
* [yt-dlp: Video Downloading](03-opensource/media-creative/yt-dlp.md)
* [Streaming & Podcasting](04-streaming/index.md)
* [OBS Studio Setup & Encoding](04-streaming/obs/obs-studio-setup-encoding.md)
* [Plex 4K Codec Compatibility (Apple TV)](04-streaming/plex/plex-4k-codec-compatibility.md)
* [Troubleshooting](05-troubleshooting/index.md)
* [Apache Outage: Fail2ban Self-Ban + Missing iptables Rules](05-troubleshooting/networking/fail2ban-self-ban-apache-outage.md)
* [Mail Client Stops Receiving: Fail2ban IMAP Self-Ban](05-troubleshooting/networking/fail2ban-imap-self-ban-mail-client.md)
* [firewalld: Mail Ports Wiped After Reload](05-troubleshooting/networking/firewalld-mail-ports-reset.md)
* [Tailscale SSH: Unexpected Re-Authentication Prompt](05-troubleshooting/networking/tailscale-ssh-reauth-prompt.md)
* [Fail2ban & UFW Rule Bloat Cleanup](05-troubleshooting/networking/fail2ban-ufw-rule-bloat-cleanup.md)
* [Custom Fail2ban Jail: Apache Directory Scanning](05-troubleshooting/security/apache-dirscan-fail2ban-jail.md)
* [Nextcloud AIO Unhealthy 20h After Nightly Update](05-troubleshooting/docker/nextcloud-aio-unhealthy-20h-stuck.md)
* [n8n Behind Reverse Proxy: X-Forwarded-For Trust Fix](05-troubleshooting/docker/n8n-proxy-trust-x-forwarded-for.md)
* [Docker & Caddy Recovery After Reboot (Fedora + SELinux)](05-troubleshooting/docker-caddy-selinux-post-reboot-recovery.md)
* [ISP SNI Filtering with Caddy](05-troubleshooting/isp-sni-filtering-caddy.md)
* [Obsidian Vault Recovery — Loading Cache Hang](05-troubleshooting/obsidian-cache-hang-recovery.md)
* [Qwen2.5-14B OOM on RTX 3080 Ti (12GB)](05-troubleshooting/gpu-display/qwen-14b-oom-3080ti.md)
* [LoRA adapter — GGUF conversion fails with 'config.json not found'](05-troubleshooting/gpu-display/lora-adapter-gguf-conversion-fails.md)
* [yt-dlp YouTube JS Challenge Fix on Fedora](05-troubleshooting/yt-dlp-fedora-js-challenge.md)
* [Gemini CLI Manual Update](05-troubleshooting/gemini-cli-manual-update.md)
* [MajorWiki Setup & Publishing Pipeline](05-troubleshooting/majwiki-setup-and-pipeline.md)
* [Gitea Actions Runner: Boot Race Condition Fix](05-troubleshooting/gitea-runner-boot-race-network-target.md)
* [Cron Heartbeat False Alarm: /var/run Cleared by Reboot](05-troubleshooting/cron-heartbeat-tmpfs-reboot-false-alarm.md)
* [SELinux: Fixing Dovecot Mail Spool Context (/var/vmail)](05-troubleshooting/selinux-dovecot-vmail-context.md)
* [mdadm RAID Recovery After USB Hub Disconnect](05-troubleshooting/storage/mdadm-usb-hub-disconnect-recovery.md)
* [Windows OpenSSH Server (sshd) Stops After Reboot](05-troubleshooting/networking/windows-sshd-stops-after-reboot.md)
* [Windows OpenSSH: WSL Default Shell Breaks Remote Commands](05-troubleshooting/networking/windows-openssh-wsl-default-shell-breaks-remote-commands.md)
* [Pi-hole AI Blocklist Blocks Claude Desktop (ERR_CONNECTION_REFUSED)](05-troubleshooting/networking/pihole-blocks-claude-desktop.md)
* [Ollama Drops Off Tailscale When Mac Sleeps](05-troubleshooting/ollama-macos-sleep-tailscale-disconnect.md)
* [Ollama: `ollama run` with Piped Stdin Bypasses Chat Template + SYSTEM Prompt](05-troubleshooting/ollama-chat-template-pipe-stdin-bypass.md)
* [rsync over Tailscale: Hung in TCP Teardown After Transfer Completes](05-troubleshooting/networking/rsync-tailscale-teardown-stall.md)
* [iOS Tailscale Clients Report HostName="localhost" — Breaks /etc/hosts Generators](05-troubleshooting/networking/tailscale-status-json-hostname-localhost-ios.md)
* [macOS: Repeating Alert Tone from Mirrored iPhone Notification](05-troubleshooting/macos-mirrored-notification-alert-loop.md)
* [ClamAV CPU Spike: Safe Scheduling with nice/ionice](05-troubleshooting/security/clamscan-cpu-spike-nice-ionice.md)
* [Ansible: Vault Password File Not Found](05-troubleshooting/ansible-vault-password-file-missing.md)
* [Ansible: ansible.cfg Ignored on WSL2 Windows Mounts](05-troubleshooting/ansible-wsl2-world-writable-mount-ignores-cfg.md)
* [Ansible: SSH Timeout During dnf upgrade on Fedora Hosts](05-troubleshooting/ansible-ssh-timeout-dnf-upgrade.md)
* [Fedora Networking & Kernel Troubleshooting](05-troubleshooting/fedora-networking-kernel-recovery.md)
* [Systemd Session Scope Fails at Login](05-troubleshooting/systemd/session-scope-failure-at-login.md)
* [wget/curl: URLs with Special Characters Fail in Bash](05-troubleshooting/wget-url-special-characters.md)
* [Ansible: Check Mode False Positives in Verify/Assert Tasks](05-troubleshooting/ansible-check-mode-false-positives.md)
* [Ansible Fails with Permission Denied While `ssh <alias>` Works (Host Alias Bypass)](05-troubleshooting/ansible-ssh-host-alias-bypass.md)
* [Ghost EmailAnalytics Lag Warning — What It Means and When to Worry](05-troubleshooting/ghost-emailanalytics-lag-warning.md)
* [claude-mem: --setting-sources Empty Arg Bug (Claude Code 2.1.x)](05-troubleshooting/claude-mem-setting-sources-empty-arg.md)
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