Package Management

How to Scan for Vulnerabilities with OpenVAS on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Scan for Vulnerabilities with OpenVAS on FreeBSD 13

Introduction This guide explains how to Scan for Vulnerabilities with OpenVAS on FreeBSD 13 on FreeBSD 13. FreeBSD uses the pkg(8) binary package manager, rc.conf(5) for service startup configuration, and pf(4) as its primary packet filter. There is no SELinux or AppArmor — instead, FreeBSD provides the MAC (Mandatory Access Control) framework and Capsicum for […]

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Oracle Linux 8 — Graphics controller requirements for an installation on an Oracle VM VirtualBox guest — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — Graphics controller requirements for an installation on an Oracle VM VirtualBox guest

🟠 High   ⏱ 5–30 min  Last verified: 18 November 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: Oracle Bug 30004543 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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AlmaLinux 8 — rhncfg — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — rhncfg — 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-2019:3355 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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How to Install Packer on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Install Packer on FreeBSD 13

Introduction Deploying install packer 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 standard base + […]

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FreeBSD 13 — isc-dhcp31-server — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — isc-dhcp31-server — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 18 November 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: isc-dhcp-server — server halt upon processing certain packets Related CVEs: CVE-2011-2748 CVE-2011-2749 Upstream summary: ISC reports: A pair of defects cause the server to halt upon processing certain packets. The […]

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FreeBSD 13 — freeciv — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — freeciv — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 18 November 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: freeciv — Denial of Service Vulnerabilities Related CVEs: CVE-2006-0047 CVE-2006-3913 Upstream summary: Secunia reports: Luigi Auriemma has reported a vulnerability in Freeciv, which can be exploited by malicious people to […]

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Debian 11 — python-markdown2 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — python-markdown2 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 18 November 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-11888 CVE-2021-26813 Upstream summary: python-markdown2 through 2.3.8 allows XSS because element names are mishandled unless a \w+ match succeeds. For example, an attack might use elementname@ or elementname- […]

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How to Set Up iSCSI Storage on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Set Up iSCSI Storage on RHEL 8

iSCSI (Internet Small Computer Systems Interface) allows you to share block storage devices over a standard TCP/IP network, making it a cost-effective alternative to dedicated Fibre Channel SANs. On RHEL 8, the targetcli package provides a powerful interactive shell for configuring iSCSI targets, while iscsi-initiator-utils handles the client side. This tutorial walks through setting up […]

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AlmaLinux 8 — hyperv-daemons — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — hyperv-daemons — 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-2022:1863 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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Debian 11 — eyed3 — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — eyed3 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 18 November 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2014-1934 Upstream summary: tag.py in eyeD3 (aka python-eyed3) 7.0.3, 0.6.18, and earlier for Python allows local users to modify arbitrary files via a symlink attack on a temporary […]

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