Package Management

How to Tune Kernel Parameters with sysctl on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Tune Kernel Parameters with sysctl on Oracle Linux 8

Introduction Setting up tune kernel parameters with sysctl on oracle linux 8 on a Oracle Linux 8 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Tune Kernel Parameters with sysctl on Oracle Linux 8, with all the commands you need, the SELinux and firewalld […]

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FreeBSD 13 — de-linux-mozillafirebird — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — de-linux-mozillafirebird — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 27 April 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: firefox & mozilla — multiple vulnerabilities Related CVEs: CVE-2004-0762 CVE-2004-0765 CVE-2004-0904 CVE-2004-0905 CVE-2004-0908 CVE-2004-0909 CVE-2004-1156 CVE-2004-1157  +12 more Upstream summary: A Mozilla Foundation Security Advisory reports of multiple issues: Heap […]

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Oracle Linux 8 — Virtual Function MAC Address Differences With Host After VF Migration — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — Virtual Function MAC Address Differences With Host After VF Migration

🟠 High   ⏱ 5–30 min  Last verified: 26 April 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: Oracle Bug 35508407 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 […]

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How to Configure GitLab CI/CD on SLES 12 — step-by-step SUSE Linux Enterprise 12 tutorial on Progressive Robot

How to Configure GitLab CI/CD on SLES 12

Introduction This tutorial covers How to Configure GitLab CI/CD on SLES 12 on SLES 12. SLES 12 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Prerequisites Ensure your SLES 12 system is up to date: zypper refresh […]

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AlmaLinux 8 — usb_modeswitch-data — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — usb_modeswitch-data — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2020:1781 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 — zabbix22-proxy — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — zabbix22-proxy — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 26 April 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Zabbix — Remote code execution Related CVEs: CVE-2017-2824 Upstream summary: mitre reports: An exploitable code execution vulnerability exists in the trapper command functionality of Zabbix Server 2.4.X. A specially crafted […]

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FreeBSD 13 — ppsspp-devel — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — ppsspp-devel — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 26 April 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: libzip — integer overflow Related CVEs: CVE-2015-2331 Upstream summary: libzip developers report: Avoid integer overflow. Fixed similarly to patch used in PHP copy of libzip. Table of contents Symptom & […]

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FreeBSD 13 — openjph — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — openjph — security advisory — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 26 April 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: OpenJPH < 0.24.5 — multiple vulnerabilities Upstream summary: Aous Naman reports several vulnerabilities fixed in OpenJPH versions up to 0.24.5 and credits Cary Phillips for reporting them from the OSS-fuzz […]

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