Package Management

Common Problems 114891

DNF metadata download timeout on RHEL 8

🟡 Medium   ⏱ 5–30 min  Last verified: 3 August 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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FreeBSD 13 — postfix-policyd-weight — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — postfix-policyd-weight — security advisory — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 3 August 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: postfix-policyd-weight — working directory symlink vulnerability Upstream summary: postfix-policyd-weight does not check for symlink for its working directory. If the working directory is not already setup by the super root, […]

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How to Configure Virtual Memory with rmss on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Configure Virtual Memory with rmss 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 configure virtual memory with rmss on ibm aix 7.1 […]

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FreeBSD 13 — vinagre — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — vinagre — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 3 August 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: vinagre — format string vulnerability Related CVEs: CVE-2008-5660 Upstream summary: CORE Security Technologies reports: A format string error has been found on the vinagre_utils_show_error() function that can be exploited via […]

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How to Install Rust and Cargo on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Install Rust and Cargo on RHEL 7

How to Install Rust and Cargo on RHEL 7 Rust is a systems programming language designed for safety, speed, and concurrency. It has quickly become one of the most loved languages among developers due to its memory safety guarantees, zero-cost abstractions, and powerful type system. Unlike garbage-collected languages, Rust achieves memory safety at compile time […]

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FreeBSD 12 — pjsip — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — pjsip — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 3 August 2021 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: pjsip — Race condition in SSL socket server Related CVEs: CVE-2021-32686 Upstream summary: pjsip reports: There are a couple of issues found in the SSL socket: A race condition between […]

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AlmaLinux 8 — ansible-pcp — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — ansible-pcp — 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-2022:1843 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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Oracle Linux 8 — Messages Referring to tmpfiles.d Files Appear During Upgrade — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — Messages Referring to tmpfiles.d Files Appear During Upgrade

🟠 High   ⏱ 5–30 min  Last verified: 2 August 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: Oracle Bug 32852433 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 Secure Apache with Let's Encrypt on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Secure Apache with Let’s Encrypt on FreeBSD 13

Introduction Deploying secure apache with let’s encrypt 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 […]

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