Linux

openSUSE Tumbleweed — python-bjoern — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — python-bjoern — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2015:0563-1 (see also SUSE bugzilla) Related CVEs: CVE-2015-0219 Upstream summary: Django before 1.4.18, 1.6.x before 1.6.10, and 1.7.x before 1.7.3 allows remote attackers to spoof WSGI headers by using an _ (underscore) […]

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Cómo leer y configurar variables de entorno y de shell en Linux — step-by-step Linux tutorial on Progressive Robot

Cómo leer y configurar variables de entorno y de shell en Linux

En los sistemas Linux, se utilizan variables de entorno y de shell para determinar las condiciones de funcionamiento del shell. Se pueden transmitir a procesos secundarios y utilizar para establecer opciones y hacer que cierta información esté disponible para los procesos que se producen en la sesión. En esta guía, hablaremos de cómo leer, modificar, crear y eliminar variables de entorno y de shell

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openSUSE Tumbleweed — pcmanfm — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — pcmanfm — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2022:10001-1 (see also SUSE bugzilla) Related CVEs: CVE-2017-8934 Upstream summary: PCManFM 1.2.5 insecurely uses /tmp for a socket file, allowing a local user to cause a denial of service (application unavailability). Table […]

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Common Problems 118982

Ubuntu 14.04 LTS disk fills rapidly due to runaway log growth

🟠 High   ⏱ 5–30 min  Last verified: 19 June 2019 Affected versions: 14.04 📖 ~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 […]

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Common Problems 118107

Ubuntu 18.04 LTS – failed fstab mount entry blocks startup target – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 19 June 2019 Affected versions: Ubuntu 18.04 LTS 📖 ~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 […]

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openSUSE Tumbleweed — ocaml — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — ocaml — multiple vulnerabilities (3 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 Related CVEs: CVE-2017-9772 CVE-2018-9838 CVE-2015-8869 Upstream summary: Insufficient sanitisation in the OCaml compiler versions 4.04.0 and 4.04.1 allows external code to be executed with raised privilege in binaries marked as setuid, […]

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How to Install and Configure BIND9 DNS Server on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Install and Configure BIND9 DNS Server on Debian 9

Introduction Debian 9 Stretch is built around the ethos of stability and free software. Setting up install and configure bind9 dns server on debian 9 on Stretch leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Stretch freeze. Follow each step […]

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Ubuntu 14.04 — opencv — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — opencv — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 19 June 2019 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4818-1 Related CVEs: CVE-2019-15939 CVE-2019-14491 CVE-2017-18009 CVE-2019-14492 CVE-2019-14493 Upstream summary: It was discovered that OpenCV did not properly manage certain objects, leading to a divide-by-zero. If a user were tricked […]

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