Operations

How to Set Up Suricata IDS/IPS on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Set Up Suricata IDS/IPS on Debian 11

Introduction This guide explains how to Set Up Suricata IDS/IPS on Debian 11 on Debian 11 Bullseye. Debian Bullseye uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 11 install with the […]

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FreeBSD 13 — py32-rsa — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — py32-rsa — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 29 September 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: py-rsa — Bleichenbacher'06 signature forgery vulnerability Related CVEs: CVE-2016-1494 Upstream summary: Filippo Valsorda reports: python-rsa is vulnerable to a straightforward variant of the Bleichenbacher'06 attack against RSA signature verification with […]

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AlmaLinux 9 — bzip2 — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 9

AlmaLinux 9 — bzip2 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 9 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2025:0925 Related CVEs: CVE-2019-12900 Upstream summary: The bzip2 packages contain a freely available, high-quality data compressor. It provides both standalone compression and decompression utilities, as well as a shared library for use […]

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Common Problems 114603

RHEL 9 NFS mount unavailable after boot sequence

🟡 Medium   ⏱ 5–30 min  Last verified: 29 September 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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How to Use SMIT to Manage System Tasks on IBM AIX 7.3 — step-by-step IBM AIX 7.3 tutorial on Progressive Robot

How to Use SMIT to Manage System Tasks 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 use smit to manage system tasks on IBM AIX […]

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FreeBSD 13 — dbus-glib — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — dbus-glib — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 29 September 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: dbus-glib — privledge escalation Related CVEs: CVE-2013-0292 Upstream summary: Sebastian Krahmer reports: A privilege escalation flaw was found in the way dbus-glib, the D-Bus add-on library to integrate the standard […]

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

Debian 11 — libdnf — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 29 September 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-3445 Upstream summary: A flaw was found in libdnf's signature verification functionality in versions before 0.60.1. This flaw allows an attacker to achieve code execution if they can […]

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Debian 11 — mujs — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — mujs — multiple vulnerabilities (8 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 29 September 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-22885 CVE-2020-22886 CVE-2021-33796 CVE-2021-33797 CVE-2021-45005 CVE-2022-30974 CVE-2022-30975 CVE-2022-44789 Upstream summary: Buffer overflow vulnerability in mujs before 1.0.8 due to recursion in the GC scanning phase, allows remote attackers […]

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FreeBSD 13 — subversion-python — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — subversion-python — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 29 September 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: subversion — WebDAV fails to protect metadata Related CVEs: CVE-2004-0749 Upstream summary: In some situations, subversion metadata may be unexpectedly disclosed via WebDAV. A subversion advisory states: mod_authz_svn, the Apache […]

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AlmaLinux 8 — hwloc — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — hwloc — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALEA-2021:4488 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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