Systemd Services

Oracle Linux 8 — cloud-init security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — cloud-init security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2020-4650)

🟡 Medium   ⏱ 10–30 min  Last verified: 25 July 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-4650 Related CVEs: CVE-2020-8631 CVE-2020-8632 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 — zip — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — zip — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 July 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: zip — long path buffer overflow Related CVEs: CVE-2004-1010 Upstream summary: A HexView security advisory reports: When zip performs recursive folder compression, it does not check for the length of […]

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How to Set Up ZFS on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Set Up ZFS on FreeBSD 13

Introduction FreeBSD 13 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up set up zfs on freebsd 13 on FreeBSD 13 follows the rc.conf/service(8) paradigm rather than systemd, which means enabling a service and configuring its startup options are done differently from any Linux distribution. […]

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FreeBSD 13 — nl-openoffice — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — nl-openoffice — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 July 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: openoffice — DOC document heap overflow vulnerability Related CVEs: CVE-2004-0752 CVE-2005-0941 Upstream summary: AD-LAB reports that a heap-based buffer overflow vulnerability exists in OpenOffice's handling of DOC documents. When reading […]

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Debian 10 — policykit-1 — vulnerability — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — policykit-1 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 July 2021 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-4034 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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How to Set Up Varnish Cache as a Reverse Proxy on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Set Up Varnish Cache as a Reverse Proxy on RHEL 8

Varnish Cache is a high-performance HTTP accelerator designed to sit in front of web servers and serve cached responses at near-wire speed, offloading PHP and database work from your backend. On RHEL 8, Varnish is packaged in the default AppStream repository, making installation straightforward. This guide shows how to install Varnish, write a VCL configuration […]

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Common Problems 125144

Oracle Linux 8 – Common Problem 018 – Diagnosis and Fix

🟡 Medium   ⏱ 5–30 min  Last verified: 24 July 2021 Affected versions: Oracle Linux 8 📖 ~3 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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IBM AIX 7.2 — CVE-2021-29815 — xss — patch and remediation guide — diagnosis and fix on IBM AIX 7.2

IBM AIX 7.2 — CVE-2021-29815 — xss — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 24 July 2021 Affected versions: IBM AIX 7.2 📖 ~4 min read  •  Source: NVD CVE-2021-29815, IBM Support Bulletin CVE: CVE-2021-29815 NVD summary: IBM Jazz for Service Management 1.1.3.10 and IBM Tivoli Netcool/OMNIbus_GUI is vulnerable to stored cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript […]

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How to Configure Logrotate on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Configure Logrotate on FreeBSD 13

Introduction This guide explains how to Configure Logrotate on FreeBSD 13 on FreeBSD 13. FreeBSD uses the pkg(8) binary package manager, rc.conf(5) for service startup configuration, and pf(4) as its primary packet filter. There is no SELinux or AppArmor — instead, FreeBSD provides the MAC (Mandatory Access Control) framework and Capsicum for fine-grained privilege separation. […]

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