Package Management

Arch Linux — rizin — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — rizin — multiple vulnerabilities (2 CVEs) — 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-202204-4 Related CVEs: CVE-2021-43814 CVE-2021-4022 Upstream summary: Type: multiple issues. Status: Fixed. Affected: 0.3.1-1. Fixed in: 0.3.2-1. Group: AVG-2590. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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How to Configure Oracle RAC on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Configure Oracle RAC on IBM AIX 7.2

Introduction IBM AIX 7.2 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 7.2 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to configure oracle rac on ibm aix 7.2 on IBM […]

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FreeBSD 13 — yamt — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — yamt — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 4 August 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: yamt — buffer overflow and directory traversal issues Related CVEs: CVE-2004-1302 CVE-2005-1846 CVE-2005-1847 Upstream summary: Stanislav Brabec discovered errors in yamt's path name handling that lead to buffer overflows and […]

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Ubuntu 20.04 — axel — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — axel — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 4 August 2021 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4872-1 Related CVEs: CVE-2020-13614 Upstream summary: It was discovered that Axel did not properly verify the certificates for hostnames. An attacker could use this vulnerability to impersonate another server and […]

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Arch Linux — dotnet-sdk — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — dotnet-sdk — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-202103-20 Related CVEs: CVE-2021-26701 CVE-2021-24112 CVE-2021-1723 CVE-2021-1721 CVE-2021-31204 Upstream summary: Type: arbitrary code execution. Status: Fixed. Affected: 5.0.3.sdk103-2. Fixed in: 5.0.4.sdk104-1. Group: AVG-1698. Table of contents Symptom & Impact Environment […]

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How to Install and Configure Envoy Proxy on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Install and Configure Envoy Proxy on RHEL 7

How to Install and Configure Envoy Proxy on RHEL 7 Envoy Proxy has become a cornerstone of modern service mesh architectures, used as the data plane in Istio, the sidecar in Consul Connect, and the edge proxy behind many large-scale APIs. Written in C++ and designed for cloud-native workloads, Envoy provides L4/L7 load balancing, health […]

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Oracle Linux 8 — dotnet5.0 security and bugfix update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — dotnet5.0 security and bugfix update (ELSA-2021-0476)

🟠 High   ⏱ 15–60 min  Last verified: 3 August 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-0476 Related CVEs: CVE-2021-1721 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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IBM AIX 7.1 — CVE-2021-29712 — xss — patch and remediation guide — diagnosis and fix on IBM AIX 7.1

IBM AIX 7.1 — CVE-2021-29712 — xss — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 3 August 2021 Affected versions: IBM AIX 7.1 📖 ~4 min read  •  Source: NVD CVE-2021-29712, IBM Support Bulletin CVE: CVE-2021-29712 NVD summary: IBM InfoSphere Information Server 11.7 is vulnerable to cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code in the Web UI thus […]

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How to Set Up S3FS FUSE Mount on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Set Up S3FS FUSE Mount on FreeBSD 13

Introduction How to Set Up S3FS FUSE Mount on FreeBSD 13 is a core administration task for any FreeBSD 13 server operator. FreeBSD 13 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 […]

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