Package Management

How to Install and Configure Varnish Cache on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Install and Configure Varnish Cache on FreeBSD 12

Introduction This guide explains how to Install and Configure Varnish Cache on FreeBSD 12 on FreeBSD 12. 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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Ubuntu 18.04 — python-psutil — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — python-psutil — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 24 September 2019 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4204-1 Related CVEs: CVE-2019-18874 Upstream summary: Riccardo Schirone discovered that psutil incorrectly handled certain reference counting operations. An attacker could use this issue to cause psutil to crash, resulting in […]

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Gentoo Linux — media-sound/schismtracker — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — media-sound/schismtracker — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202107-12 Related CVEs: CVE-2019-14465 CVE-2019-14523 Upstream summary: Multiple vulnerabilities have been discovered in Schism Tracker. Please review the CVE identifiers referenced below for details. Table of contents Symptom & Impact Environment & […]

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How to Install pip and Manage Python Packages on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Install pip and Manage Python Packages on Debian 9

Introduction This guide explains how to Install pip and Manage Python Packages on Debian 9 on Debian 9 Stretch. Debian Stretch 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 9 install […]

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Oracle Linux 8 — virt:ol — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — virt:ol — vulnerability — patch and remediation guide (ELSA-2019-1268)

🟠 High   ⏱ 15–60 min  Last verified: 24 September 2019 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2019-1268 Related CVEs: CVE-2019-10132 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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FreeBSD 12 — mod_dosevasive — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — mod_dosevasive — security advisory — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 23 September 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: mod_dosevasive — insecure temporary file creation Upstream summary: An LSS Security Advisory reports: When a denial of service attack is detected, mod_dosevasive will, among other things, create a temporary file […]

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How to Deploy a Rust Web Application on SLES 12 — step-by-step SUSE Linux Enterprise 12 tutorial on Progressive Robot

How to Deploy a Rust Web Application on SLES 12

Introduction This tutorial covers How to Deploy a Rust Web Application on SLES 12 on SLES 12. SLES 12 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Prerequisites Ensure your SLES 12 system is up to date: […]

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FreeBSD 12 — mnemo — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — mnemo — security advisory — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 23 September 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: mnemo — Cross site scripting vulnerabilities in several of the notepad name and note data fields Upstream summary: Announce of Mnemo H3 (2.0.3) (final): This [2.0.3] is a security release […]

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FreeBSD 12 — wpa_supplicant — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — wpa_supplicant — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 23 September 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: FreeBSD — EAP-pwd message reassembly issue with unexpected fragment Related CVEs: CVE-2015-1863 CVE-2015-4141 CVE-2015-4142 CVE-2015-4143 CVE-2015-4144 CVE-2015-4145 CVE-2015-4146 CVE-2015-5310  +12 more Upstream summary: Problem Description: EAP-pwd implementation in hostapd (EAP […]

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How to Build Grafana Dashboards for FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Build Grafana Dashboards for FreeBSD 12

Introduction This guide explains how to Build Grafana Dashboards for FreeBSD 12 on FreeBSD 12. 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 fine-grained privilege […]

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