June 2021 - Page 3 of 66

How to Configure Network Teaming on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Configure Network Teaming on RHEL 10

Introduction RHEL 10 ships with a stable, security-hardened base that makes deploying configure network teaming both straightforward and auditable. This tutorial covers the complete procedure for how to Configure Network Teaming on RHEL 10, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for network-facing services. Prerequisites You will need: […]

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openSUSE Tumbleweed — lynis — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — lynis — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2017-8108 CVE-2020-13882 CVE-2019-13033 Upstream summary: Unspecified tests in Lynis before 2.5.0 allow local users to write to arbitrary files or possibly gain privileges via a […]

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Oracle Linux 8 — container-tools:ol8 — security and stability fixes — required update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — container-tools:ol8 — security and stability fixes — required update (ELSA-2019-4269)

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2019-4269 Related CVEs: CVE-2019-9512 CVE-2019-9514 CVE-2019-16884 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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Gentoo Linux — www-apps/mediawiki — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — www-apps/mediawiki — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202305-24 Related CVEs: CVE-2021-41798 CVE-2021-41799 CVE-2021-41800 CVE-2021-44854 CVE-2021-44855 CVE-2021-44856 CVE-2021-44857 CVE-2021-44858  +12 more Upstream summary: Multiple vulnerabilities have been discovered in MediaWiki. Please review the CVE identifiers referenced below for details. Table […]

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Amazon Linux 2 — kernel-livepatch-4.14.181-142.260 — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — kernel-livepatch-4.14.181-142.260 — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2LIVEPATCH-2020-025 Related CVEs: CVE-2020-10766 CVE-2020-10767 CVE-2020-10768 CVE-2020-12655 CVE-2020-14386 Upstream summary: An issue has been reported in the Linux kernel's handling of raw sockets. This issue can be used locally to […]

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How to Use AIX Enterprise Identity Mapping (EIM) on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Use AIX Enterprise Identity Mapping (EIM) 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 use aix enterprise identity mapping (eim) on ibm aix […]

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Arch Linux — gupnp — vulnerability — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — gupnp — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-202105-26 Related CVEs: CVE-2021-33516 Upstream summary: Type: information disclosure. Status: Fixed. Affected: 1.2.4-1. Fixed in: 1.2.6-1. Group: AVG-1985. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis […]

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How to Install Zabbix on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Install Zabbix on FreeBSD 12

Introduction How to Install Zabbix on FreeBSD 12 is a core administration task for any FreeBSD 12 server operator. FreeBSD 12 ships with the 15.0-RELEASE kernel, ZFS as the default root filesystem, Capsicum capability sandboxing improvements, and an updated ports tree. Unlike Linux distributions, FreeBSD uses rc(8) for service management, pf for packet filtering, and […]

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IBM AIX 7.2 — CVE-2021-39085 — sql injection — patch and remediation guide — diagnosis and fix on IBM AIX 7.2

IBM AIX 7.2 — CVE-2021-39085 — sql injection — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 25 May 2026 Affected versions: IBM AIX 7.2 📖 ~4 min read  •  Source: NVD CVE-2021-39085, IBM Support Bulletin CVE: CVE-2021-39085 NVD summary: IBM Sterling B2B Integrator Standard Edition 6.0.0.0 through 6.0.3.5, 6.1.0.0 through 6.1.0.4, and 6.1.1.0 through 6.1.1.1 is vulnerable to SQL injection. A remote attacker […]

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