Linux

Arch Linux — kmail — vulnerability — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — kmail — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-201706-16 Related CVEs: CVE-2017-9604 Upstream summary: Type: information disclosure. Status: Fixed. Affected: 17.04.1-1. Fixed in: 17.04.2-1. Group: AVG-299. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis […]

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Настройка сервера OpenVPN в Ubuntu 18.04 — step-by-step Linux tutorial on Progressive Robot

Настройка сервера OpenVPN в Ubuntu 18.04

Предыдущая версия данного обучающего руководства была написана Джастином Эллингвудом Хотите организовать безопасный и защищенный доступ к интернету на смартфоне или ноутбуке при подключении к ненадежной сети,…

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Debian 9 — postgresql-9.6 — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Debian 9

Debian 9 — postgresql-9.6 — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 12 April 2020 Affected versions: Debian 9 (stretch) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-15098 CVE-2017-7546 CVE-2018-10915 CVE-2019-10130 CVE-2019-10208 CVE-2020-1720 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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How To Host a File Sharing Server with Pydio on Ubuntu 14.04 — step-by-step Linux tutorial on Progressive Robot

How To Host a File Sharing Server with Pydio on Ubuntu 14.04

As adoption of the cloud increases, more and more data is being stored remotely. From music to pictures to personal documents, many people are uploading files onto servers they don’t manage. If you’d rather keep your files on a server you control, you can host your own Dropbox-like file sharing server using Pydio. In this article, we’ll stand up a straightforward Pydio installation that runs well even without powerful hardware.

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Common Problems 121142

Debian 10 – software RAID array stays degraded and rebuild does not start

🔴 Critical   ⏱ 5–30 min  Last verified: 11 April 2020 Affected versions: Debian 10 📖 ~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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Ubuntu 16.04 — bzip2 — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — bzip2 — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 11 April 2020 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4038-3 Related CVEs: https://launchpad.net/bugs/1834494 CVE-2016-3189 CVE-2019-12900 Upstream summary: USN-4038-1 fixed a vulnerability in bzip2. The update introduced a regression causing bzip2 to incorrect raises CRC errors for some files. We […]

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How to Install and Configure Fail2ban on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Install and Configure Fail2ban on Debian 10

Introduction Debian 10 Buster is built around the ethos of stability and free software. Setting up install and configure fail2ban on debian 10 on Buster leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Buster freeze. Follow each step carefully and […]

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Arch Linux — mruby — vulnerability — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — mruby — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-202107-10 Related CVEs: CVE-2020-36401 Upstream summary: Type: arbitrary code execution. Status: Fixed. Affected: 2.1.2-1. Fixed in: 3.0.0-1. Group: AVG-2116. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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