Package Management

Oracle Linux 9 — python3.9 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — python3.9 — vulnerability — patch and remediation guide (ELSA-2023-6659)

🟡 Medium   ⏱ 10–30 min  Last verified: 1 November 2022 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-6659 Related CVEs: CVE-2007-4559 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 Configure Docker Daemon TLS Encryption on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Configure Docker Daemon TLS Encryption on RHEL 8

By default, the Docker daemon socket at /var/run/docker.sock is accessible only on the local host, but when you need to manage containers remotely — from a CI system, a monitoring server, or a developer workstation — you must expose the Docker API over TCP. Without TLS, any client with network access can control your Docker […]

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Common Problems 117947

Ubuntu 18.04 Broken Packages After Interrupted dist-upgrade

🟡 Medium   ⏱ 5–30 min  Last verified: 31 October 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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Debian 11 — flexbackup — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — flexbackup — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 31 October 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2005-4802 Upstream summary: Flexbackup 1.2.1 and earlier allows local users to overwrite files and execute code via a symlink attack on temporary files. NOTE: the raw source referenced […]

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How to Configure netstat and netpmon on IBM AIX 7.3 — step-by-step IBM AIX 7.3 tutorial on Progressive Robot

How to Configure netstat and netpmon 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 configure netstat and netpmon on IBM AIX 7.3 with […]

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Debian 11 — mapserver — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — mapserver — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 31 October 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2007-4542 CVE-2007-4629 CVE-2009-0839 CVE-2009-0840 CVE-2009-0841 CVE-2009-0842 CVE-2009-0843 CVE-2009-1176  +12 more Upstream summary: Multiple cross-site scripting (XSS) vulnerabilities in MapServer before 4.10.3 allow remote attackers to inject arbitrary web […]

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openSUSE Tumbleweed — python-onionshare — multiple vulnerabilities (11 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — python-onionshare — multiple vulnerabilities (11 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2022-21688 CVE-2022-21690 CVE-2022-21691 CVE-2022-21692 CVE-2022-21693 CVE-2022-21694 CVE-2022-21695 CVE-2022-21696  +3 more Upstream summary: OnionShare is an open source tool that lets you securely and anonymously share […]

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How to Install Docker Compose on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Install Docker Compose on Debian 11

Introduction Deploying install docker compose on debian 11 on a Debian 11 Bullseye machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites Before you begin, […]

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Ubuntu 22.04 — libmobi — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — libmobi — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 31 October 2022 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7638-1 Related CVEs: CVE-2022-29788 CVE-2022-1907 CVE-2022-1908 Upstream summary: It was discovered that Libmobi did not correctly handle certain memory operations, which could lead to a buffer overflow. A local attacker […]

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