Agent Investigation

• Planned commands: 6
• Executed commands: 6
• Open tracked actions: 5

Executed Commands

• lscpuexit 0
• free -hexit 0
• uptimeexit 0
• systemctl --failedexit 0
• journalctl -u sshd --since '2026-07-31T18:00:00Z' | grep -iE 'failed|invalid|accepted' | tail -20exit 0
• systemctl status postfix@-.service 2>/dev/null || echo 'Service not found or not running'exit 0

Changed Since Last Run

• Security findings changed from 171 to 64 (-107).
• Important non-security events changed from 37 to 0 (-37).
• New tracked agent actions: failed-unit:postfix@-.service.
• Tracked actions no longer open: failed-unit:mnt-Shared.mount.
• Recently resolved: Resolve failed unit mnt-Shared.mount, Resolve failed unit var-lib-snapd-snap-chromium-3483.mount.

Security Concerns

Repeated SSH authentication failures targeting root account indicate potential brute-force attacks. Security scans have identified enabled inetd services and changes to the passwd file that require investigation.

Service Failures

The postfix@-.service is failing due to a conflict with an already running Postfix instance. This prevents mail services from functioning properly and requires immediate attention.

System Resources

The system is running with no swap space, which may impact stability under memory pressure. Current memory usage is moderate, and load average is elevated but not saturated.

Uptime

2d 15h 44m

Load

4.6416015625 / 3.85546875 / 3.6484375

Memory

22.9%

Events

0

Security

64 findings

Filesystems

• /27.0% used

Likely Causes

• Repeated SSH login attempts targeting root account
• Misconfigured postfix service conflicting with existing instance
• Enabled inetd services and user account modifications detected by security scans

Recommended Actions

• Review and secure SSH access, including disabling root login and implementing rate limiting
• Investigate and resolve the postfix service conflict by stopping existing Postfix processes
• Triage chkrootkit and rkhunter findings to distinguish false positives from real threats
• Consider enabling swap space to improve system stability under memory pressure

Agent Actions

• Review SSH authentication pressureInvestigate repeated authentication failures and confirm the current SSH exposure is acceptable.
• Triage chkrootkit findingsReview chkrootkit findings and separate known false positives from evidence that needs deeper investigation.
• Resolve failed unit postfix@-.serviceReview why postfix@-.service is still failed and decide whether it should be repaired, reinstalled, or disabled.
• Triage rkhunter warningsCheck the current rkhunter warnings against recent package, kernel, and configuration changes.
• Review Lynis warningsReview the current Lynis warnings and decide which hardening items are relevant on this host.

Recently Resolved

• Resolve failed unit mnt-Shared.mountResolved after 2 runs.
• Resolve failed unit var-lib-snapd-snap-chromium-3483.mountResolved after 1 runs.
• Resolve failed unit var-lib-snapd-snap-firefox-8585.mountResolved after 1 runs.

Recent Runs

• 2026-07-31T02:31:47ZCRITICAL: The system is experiencing critical storage saturation on the root filesystem, which poses an immediate risk of service failure and system instability. Multiple
• 2026-07-31T00:14:52ZCRITICAL: The system is experiencing critical storage saturation on the root filesystem, which poses an immediate risk of service failure and system instability. Multiple