Package Management

Oracle Linux 8 — nginx:1.18 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — nginx:1.18 — vulnerability — patch and remediation guide (ELSA-2021-2259)

🟠 High   ⏱ 15–60 min  Last verified: 30 December 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-2259 Related CVEs: CVE-2021-23017 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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IBM AIX 7.3 — CVE-2008-1710 — vulnerability — patch and remediation guide — diagnosis and fix on IBM AIX 7.3

IBM AIX 7.3 — CVE-2008-1710 — vulnerability — patch and remediation guide

🟠 High   ⏱ 30–90 min  Last verified: 30 December 2021 Affected versions: IBM AIX 7.3 📖 ~4 min read  •  Source: NVD CVE-2008-1710, IBM Support Bulletin CVE: CVE-2008-1710 NVD summary: Untrusted search path vulnerability in chnfsmnt in IBM AIX 6.1 allows local users to gain privileges via a modified PATH environment variable. References: secunia.com/advisories/29518 […]

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AlmaLinux 8 — lld — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — lld — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2021:4743 Related CVEs: CVE-2021-42574 Upstream summary: LLVM Toolset provides the LLVM compiler infrastructure framework, the Clang compiler for the C and C++ languages, the LLDB debugger, and related tools for code analysis. […]

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Debian 11 — zoneminder — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — zoneminder — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 30 December 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2004-0227 CVE-2008-1381 CVE-2008-3880 CVE-2008-3881 CVE-2008-3882 CVE-2008-6755 CVE-2008-6756 CVE-2013-0232  +12 more Upstream summary: Buffer overflow in the zms script in ZoneMinder before 1.19.2 may allow a remote attacker to […]

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How to Set Up a Ceph Storage Cluster on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Set Up a Ceph Storage Cluster on RHEL 7

How to Set Up a Ceph Storage Cluster on RHEL 7 Ceph is an open-source, software-defined storage platform that provides object, block, and filesystem storage in a single unified cluster. Unlike traditional SANs or NAS appliances, Ceph distributes data and metadata across commodity hardware using the CRUSH algorithm, eliminating single points of failure and scaling […]

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Oracle Linux 8 — ibus and glib2 — security and stability fixes — required update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — ibus and glib2 — security and stability fixes — required update (ELSA-2020-1880)

🟡 Medium   ⏱ 10–30 min  Last verified: 29 December 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-1880 Related CVEs: CVE-2019-14822 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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FreeBSD 12 — lasso — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — lasso — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 29 December 2021 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: lasso — signature checking failure Related CVEs: CVE-2021-28091 Upstream summary: entrouvert reports: When AuthnResponse messages are not signed (which is permitted by the specifiation), all assertion's signatures should be checked, […]

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FreeBSD 13 — anydesk — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — anydesk — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 29 December 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Anydesk — Multiple Vulnerabilities Related CVEs: CVE-2020-13160 Upstream summary: Anydesk reports: AnyDesk before 5.5.3 on Linux and FreeBSD has a format string vulnerability that can be exploited for remote code […]

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How to Configure Prometheus Alerting Rules on CentOS Stream 9 — step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Configure Prometheus Alerting Rules on CentOS Stream 9

Introduction This tutorial demonstrates how to Configure Prometheus Alerting Rules on CentOS Stream 9 on CentOS Stream 9. It is written for administrators who want a repeatable, well-explained walkthrough that goes beyond a bare command list and explains each configuration choice. Every command is tested against a freshly registered CentOS Stream 9 system with the […]

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