Package Management

How to Install PostgreSQL 16 on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Install PostgreSQL 16 on FreeBSD 12

Introduction How to Install PostgreSQL 16 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, […]

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Oracle Linux 9 — firefox — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — firefox — vulnerability — patch and remediation guide (ELSA-2022-6700)

🟠 High   ⏱ 15–60 min  Last verified: 27 December 2022 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-6700 Related CVEs: CVE-2022-40958 CVE-2022-40957 CVE-2022-40962 CVE-2022-40959 CVE-2022-40960 CVE-2022-40956 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Common Problems 114577

DNF Metadata Checksum Mismatch Errors

🟡 Medium   ⏱ 5–30 min  Last verified: 26 December 2022 📖 ~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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IBM AIX 7.2 — CVE-2022-22473 — vulnerability — patch and remediation guide — diagnosis and fix on IBM AIX 7.2

IBM AIX 7.2 — CVE-2022-22473 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 26 December 2022 Affected versions: IBM AIX 7.2 📖 ~4 min read  •  Source: NVD CVE-2022-22473, IBM Support Bulletin CVE: CVE-2022-22473 NVD summary: IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 could allow a remote attacker to obtain sensitive information caused by improper handling of Administrative […]

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Debian 11 — screenie — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — screenie — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 26 December 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2008-5371 Upstream summary: screenie in screenie 1.30.0 allows local users to overwrite arbitrary files via a symlink attack on a /tmp/.screenie.##### temporary file. Table of contents Symptom & […]

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openSUSE Tumbleweed — python38-PyJWT — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — python38-PyJWT — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2025:14987-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-29217 Upstream summary: PyJWT is a Python implementation of RFC 7519. PyJWT supports multiple different JWT signing algorithms. With JWT, an attacker submitting the JWT […]

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How to Set Up IBM HTTP Server on IBM AIX 7.3 — step-by-step IBM AIX 7.3 tutorial on Progressive Robot

How to Set Up IBM HTTP Server on IBM AIX 7.3

Introduction IBM AIX 7.3 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 7.3 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to set up ibm http server on IBM AIX 7.3 […]

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Debian 11 — prosody-modules — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — prosody-modules — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 26 December 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-8086 Upstream summary: The mod_auth_ldap and mod_auth_ldap2 Community Modules through 2020-01-27 for Prosody incompletely verify the XMPP address passed to the is_admin() function. This grants remote entities admin-only […]

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Debian 11 — pypy — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — pypy — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 26 December 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-16935 Upstream summary: The documentation XML-RPC server in Python through 2.7.16, 3.x through 3.6.9, and 3.7.x through 3.7.4 has XSS via the server_title field. This occurs in Lib/DocXMLRPCServer.py […]

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