Files
vm-skills/node-hardening/checks/check_fail2ban.sh
Vault Sovereign eac77ef7b4 Initial commit: VaultMesh Skills collection
Collection of operational skills for VaultMesh infrastructure including:
- backup-sovereign: Backup and recovery operations
- btc-anchor: Bitcoin anchoring
- cloudflare-tunnel-manager: Cloudflare tunnel management
- container-registry: Container registry operations
- disaster-recovery: Disaster recovery procedures
- dns-sovereign: DNS management
- eth-anchor: Ethereum anchoring
- gitea-bootstrap: Gitea setup and configuration
- hetzner-bootstrap: Hetzner server provisioning
- merkle-forest: Merkle tree operations
- node-hardening: Node security hardening
- operator-bootstrap: Operator initialization
- proof-verifier: Cryptographic proof verification
- rfc3161-anchor: RFC3161 timestamping
- secrets-vault: Secrets management

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
2025-12-27 00:25:00 +00:00

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#!/usr/bin/env bash
set -euo pipefail
if ! command -v fail2ban-client &>/dev/null; then
echo "fail2ban: missing"
exit 1
fi
if systemctl is-active --quiet fail2ban; then
echo "fail2ban: active"
exit 0
fi
echo "fail2ban: inactive"
exit 1