nikola
71 lines
1.3 KiB
Bash
Executable File
71 lines
1.3 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -euo pipefail
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# Collect a concise host and network snapshot for incident triage.
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now="$(date -u +%Y-%m-%dT%H:%M:%SZ)"
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host="$(hostname 2>/dev/null || echo unknown)"
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echo "=== sysdiag snapshot ==="
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echo "timestamp_utc: $now"
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echo "host: $host"
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echo
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echo "--- os ---"
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uname -a || true
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if [ -f /etc/os-release ]; then
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sed -n '1,12p' /etc/os-release || true
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fi
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echo
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echo "--- uptime/load ---"
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uptime || true
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echo
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echo "--- cpu/memory ---"
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free -h || true
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echo
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echo "--- disk ---"
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df -hT || true
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df -ih || true
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echo
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echo "--- interfaces ---"
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ip -br addr 2>/dev/null || true
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ip -s link 2>/dev/null || true
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echo
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echo "--- routing ---"
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ip route show 2>/dev/null || true
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ip rule show 2>/dev/null || true
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echo
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echo "--- listening sockets ---"
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ss -tulpn 2>/dev/null || true
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echo
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echo "--- dns ---"
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if command -v resolvectl >/dev/null 2>&1; then
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resolvectl status 2>/dev/null || true
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fi
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cat /etc/resolv.conf 2>/dev/null || true
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echo
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echo "--- firewall ---"
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if command -v nft >/dev/null 2>&1; then
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nft list ruleset 2>/dev/null || true
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elif command -v iptables >/dev/null 2>&1; then
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iptables -S 2>/dev/null || true
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else
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echo "No nftables/iptables binary found"
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fi
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echo
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echo "--- services ---"
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systemctl --failed --no-pager 2>/dev/null || true
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echo
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echo "--- recent critical logs ---"
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journalctl -p 3 -xb --no-pager -n 120 2>/dev/null || true
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