Logging Monitoring

IBM AIX 7.3 — CVE-2020-4761 — vulnerability — patch and remediation guide — diagnosis and fix on IBM AIX 7.3

IBM AIX 7.3 — CVE-2020-4761 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 26 December 2021 Affected versions: IBM AIX 7.3 📖 ~4 min read  •  Source: NVD CVE-2020-4761, IBM Support Bulletin CVE: CVE-2020-4761 NVD summary: IBM Sterling B2B Integrator Standard Edition 5.2.0.0 through 5.2.6.5_2, 6.0.0.0 through 6.0.3.2, and 6.1.0.0 could allow a remote attacker to obtain sensitive information when […]

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How to Configure ArgoCD on CentOS Stream 9 — step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Configure ArgoCD on CentOS Stream 9

Introduction CentOS Stream 9 ships with a stable, security-hardened base that makes deploying configure argocd on centos stream 9 both straightforward and auditable. This tutorial covers the complete procedure for how to Configure ArgoCD on CentOS Stream 9, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for network-facing services. […]

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

Oracle Linux 8 — kernel — security and stability fixes — required update (ELSA-2023-0832)

🟠 High   ⏱ 15–60 min  Last verified: 26 December 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-0832 Related CVEs: CVE-2022-2873 CVE-2022-41222 CVE-2022-43945 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification […]

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FreeBSD 13 — py38-beaker — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — py38-beaker — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 26 December 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: py-beaker — arbitrary code execution vulnerability Related CVEs: CVE-2013-7489 Upstream summary: matheusbrat reports: The Beaker library through 1.12.1 for Python is affected by deserialization of untrusted data, which could lead […]

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FreeBSD 13 — logstash — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — logstash — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 26 December 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: logstash — password disclosure vulnerability Related CVEs: CVE-2014-3120 CVE-2014-4326 CVE-2015-4152 CVE-2015-5378 Upstream summary: Logstash developers report: Passwords Printed in Log Files under Some Conditions It was discovered that, in Logstash […]

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

AlmaLinux 8 — nss_wrapper — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALEA-2019:3557 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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FreeBSD 13 — mysql81-client — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — mysql81-client — security advisory — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 26 December 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: MySQL — Multiple vulnerabilities Upstream summary: Oracle reports: 36 new security patches for Oracle MySQL. 11 of these vulnerabilities may be remotely exploitable without authentication, i.e., may be exploited over […]

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Debian 11 — picolibc — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — picolibc — multiple vulnerabilities (8 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 26 December 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-14871 CVE-2019-14872 CVE-2019-14873 CVE-2019-14874 CVE-2019-14876 CVE-2019-14877 CVE-2019-14878 CVE-2021-3420 Upstream summary: The REENT_CHECK macro (see newlib/libc/include/sys/reent.h) as used by REENT_CHECK_TM, REENT_CHECK_MISC, REENT_CHECK_MP and other newlib macros in versions prior […]

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Common Problems 115404

YUM GPG Key Verification Failures

🟡 Medium   ⏱ 5–30 min  Last verified: 26 December 2021 📖 ~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 & Cross-Refs References & Further […]

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How to Install Rust on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Install Rust on FreeBSD 13

Introduction Deploying install rust on freebsd 13 on a FreeBSD 13 machine differs from Linux in several important ways: packages come from the FreeBSD Ports Collection or the binary pkg repository, services are registered in /etc/rc.conf via sysrc(8), and firewall rules are written in pf.conf(5) syntax. This tutorial stays entirely within the standard base + […]

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