Package Management

SLES 12 — libgnome-autoar — vulnerability — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — libgnome-autoar — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 22 July 2020 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2021:0664-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-36241 Upstream summary: autoar-extractor.c in GNOME gnome-autoar through 0.2.4, as used by GNOME Shell, Nautilus, and other software, allows Directory Traversal during extraction because it […]

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How to Install Fluent Bit Log Forwarder on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Install Fluent Bit Log Forwarder on Debian 10

Introduction How to Install Fluent Bit Log Forwarder on Debian 10 is a fundamental operation for any administrator maintaining a Debian 10 Buster server. Debian 10 Buster ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian […]

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openSUSE Tumbleweed — libraw20 — multiple vulnerabilities (12 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — libraw20 — multiple vulnerabilities (12 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2018-10528 CVE-2018-10529 CVE-2017-14265 CVE-2017-6886 CVE-2017-6887 CVE-2017-6890 CVE-2020-15503 CVE-2017-14348  +4 more Upstream summary: An issue was discovered in LibRaw 0.18.9. There is a stack-based buffer overflow […]

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Common Problems 115436

RHEL 7 journalctl Growth Filling Persistent Log Storage

🟡 Medium   ⏱ 5–30 min  Last verified: 20 July 2020 Affected versions: RHEL 7 📖 ~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 & […]

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How to Configure HashiCorp Vault on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Configure HashiCorp Vault on Debian 10

Introduction This guide explains how to Configure HashiCorp Vault on Debian 10 on Debian 10 Buster. Debian Buster uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 10 install with the standard […]

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How to Configure Email with Sendmail on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Configure Email with Sendmail on IBM AIX 7.1

Introduction IBM AIX 7.1 is the latest release of IBM’s enterprise-grade UNIX operating system, running on IBM Power Systems hardware. Known for its reliability, security, and performance in mission-critical environments, AIX 7.1 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to configure email with sendmail on ibm aix 7.1 on […]

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How to Configure SSL/TLS with OpenSSL and Self-Signed Certificates on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Configure SSL/TLS with OpenSSL and Self-Signed Certificates on RHEL 8

Serving web traffic over HTTPS requires a valid TLS certificate and a correctly configured web server. On RHEL 8, the openssl tool is available out of the box and lets you generate RSA keys, create certificate signing requests, and issue self-signed certificates entirely from the command line. Self-signed certificates are ideal for internal services, staging […]

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openSUSE Tumbleweed — dovecot23 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — dovecot23 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2025:14715-1 (see also SUSE bugzilla) Related CVEs: CVE-2017-14461 CVE-2019-11500 CVE-2019-3814 CVE-2020-10957 CVE-2020-12100 CVE-2020-12673 CVE-2020-12674 CVE-2020-24386  +12 more Upstream summary: A specially crafted email delivered over SMTP and passed on to Dovecot by […]

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Oracle Linux 8 — oniguruma — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — oniguruma — vulnerability — patch and remediation guide (ELSA-2024-0889)

🟡 Medium   ⏱ 10–30 min  Last verified: 20 July 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-0889 Related CVEs: CVE-2019-19203 CVE-2019-13224 CVE-2019-16163 CVE-2019-19204 CVE-2019-19012 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative […]

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Common Problems 120964

Debian 10 – apt update fails because repository Release file is expired

🟠 High   ⏱ 5–30 min  Last verified: 19 July 2020 Affected versions: Debian 10 📖 ~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 & […]

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