Linux

Oracle Linux 8 — flac — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — flac — vulnerability — patch and remediation guide (ELSA-2023-5046)

🟠 High   ⏱ 15–60 min  Last verified: 19 May 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-5046 Related CVEs: CVE-2020-22219 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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How To Install DokuWiki with Nginx on an Ubuntu 12.04 VPS — step-by-step Linux tutorial on Progressive Robot

How To Install DokuWiki with Nginx on an Ubuntu 12.04 VPS

Wiki-style document editing is a very popular way of presenting content and allowing group collaboration. There are many different wiki applications available that each have their uses. DokuWiki is a small, contained wiki that does not rely on an entire database to get up and running. In this guide, we will install DokuWiki and serve it with Nginx on an Ubuntu 12.04 VPS.

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Debian 9 — ruby-loofah — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 9

Debian 9 — ruby-loofah — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 19 May 2020 Affected versions: Debian 9 (stretch) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-16468 CVE-2018-8048 CVE-2019-15587 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification […]

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Common Problems 117955

Ubuntu 18.04 LTS – UFW rules applied but service still unreachable

🟡 Medium   ⏱ 5–30 min  Last verified: 18 May 2020 Affected versions: Ubuntu 18.04 LTS Ubuntu 18.04 Ubuntu 18.04.6 📖 ~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 […]

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Gentoo Linux — www-servers/cherokee — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — www-servers/cherokee — multiple vulnerabilities (5 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-202012-09 Related CVEs: CVE-2006-1681 CVE-2019-20798 CVE-2019-20799 CVE-2019-20800 CVE-2020-12845 Upstream summary: Multiple vulnerabilities have been discovered in Cherokee. Please review the CVE identifiers referenced below for details. Table of contents Symptom & Impact […]

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How to Configure Grafana Alerting on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Configure Grafana Alerting on Debian 10

Introduction Deploying configure grafana alerting on debian 10 on a Debian 10 Buster machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites You will need […]

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Ubuntu 14.04 — grub2-signed — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — grub2-signed — multiple vulnerabilities (10 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 18 May 2020 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4432-2 Related CVEs: https://launchpad.net/bugs/1889556 https://wiki.ubuntu.com/SecurityTeam/KnowledgeBase/GRUB2SecureBootBypass CVE-2020-10713 CVE-2020-14308 CVE-2020-14309 CVE-2020-14310 CVE-2020-14311 CVE-2020-15705  +2 more Upstream summary: USN-4432-1 fixed vulnerabilities in GRUB2 affecting Secure Boot environments. Unfortunately, the update introduced regressions for […]

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How To Share Files with FileRun on CentOS 7 — step-by-step Linux tutorial on Progressive Robot

How To Share Files with FileRun on CentOS 7

FileRun is a PHP file manager and file sharing application that helps you access, organize, view and edit files. You can use it with office documents, photos, music, and any other type of file that you might store on your web server. In this tutorial, we will install FileRun on a CentOS 7 server.

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