How to Setup Additional Entropy for Cloud Servers Using Haveged
Entropy is important, and haveged is an application that can provide your system with more of it.
Debian 10 — unbound — multiple vulnerabilities (2 CVEs) — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 29 October 2020 Affected versions: Debian 10 (buster) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2019-16866 CVE-2020-12662 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]
Debian 10 — firefox-esr — multiple vulnerabilities (20 CVEs) — patch and remediation guide
🟠 High ⏱ 15–60 min Last verified: 29 October 2020 Affected versions: Debian 10 (buster) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2019-9811 CVE-2019-9812 CVE-2019-11757 CVE-2019-17005 CVE-2019-17026 CVE-2019-20503 CVE-2020-6831 CVE-2020-12399 +12 more Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – […]
Debian 9: PostgreSQL fails because WAL partition is full
🔴 Critical ⏱ 5–30 min Last verified: 27 October 2020 Affected versions: Debian 9 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & […]
Debian 9 – apt update shows NO_PUBKEY and rejects repository signatures
🟠 High ⏱ 5–30 min Last verified: 27 October 2020 Affected versions: Debian 9 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & […]
Debian 10 — influxdb — vulnerability — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 26 October 2020 Affected versions: Debian 10 (buster) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2019-20933 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]
Debian 9 – systemd Journal Consumes Disk Space – Retention and Vacuum Strategy
🟡 Medium ⏱ 5–30 min Last verified: 24 October 2020 Affected versions: Debian 9 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & […]
Debian 9 – APT Lock Contention Blocks Security Updates – Safe Recovery
🟠 High ⏱ 5–30 min Last verified: 23 October 2020 Affected versions: Debian 9 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & […]
How To Install and Configure Postfix as a Send-Only SMTP Server on Debian 9
Postfix is a *mail transfer agent* (MTA), an application used to send and receive email.
Debian 9 Journald Grows Too Large and Consumes Disk
🟡 Medium ⏱ 5–30 min Last verified: 21 October 2020 Affected versions: Debian 9 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & […]