Linux

Arch Linux — dhcp — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — dhcp — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-202106-10 Related CVEs: CVE-2021-25217 CVE-2018-5733 Upstream summary: Type: arbitrary code execution. Status: Fixed. Affected: 4.4.2-2. Fixed in: 4.4.2.P1-1. Group: AVG-2004. Table of contents Symptom & Impact Environment & Reproduction Root […]

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Install MongoDB on Linux — step-by-step Linux tutorial on Progressive Robot

Install MongoDB on Linux

URL: https://www.progressiverobot.com/install-mongodb-linux/ Sometime back I wrote a post on how to [install MongoDB on Mac OS X](/community/tutorials/install-mongodb-mac). However most of the development usually happens on Unix/Linux machines. So today we will look into how to install MongoDB on linux system. Install MongoDB on Linux !install mongodb on linux Current version of MongoDB is 3.4.7 and […]

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How to Configure Dovecot IMAP Server on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Configure Dovecot IMAP Server on RHEL 10

Introduction How to Configure Dovecot IMAP Server on RHEL 10 on RHEL 10 provides administrators with a robust, enterprise-ready workflow that integrates cleanly with systemd, SELinux, firewalld, and the modern AppStream module system. In this tutorial we will walk through every step required, from package installation to verification, so that the resulting configuration is reproducible […]

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Ubuntu 14.04 — wkhtmltopdf — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — wkhtmltopdf — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6232-1 Related CVEs: CVE-2020-21365 Upstream summary: It was discovered that wkhtmltopdf was not properly enforcing the same-origin policy when processing certain HTML files. If a user or automated system using […]

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Installieren von Node.js unter Ubuntu 20.04 — step-by-step Linux tutorial on Progressive Robot

Installieren von Node.js unter Ubuntu 20.04

Node.js ist eine JavaScript-Laufzeitumgebung für serverseitige Programmierung. Sie ermöglicht Entwicklern die Erstellung von skalierbaren Backend-Funktionen mit JavaScript, einer Sprache, die viele aus der Browser-basierten Webentwicklung bereits…

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SLES 12 — perl-DBI — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — perl-DBI — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2020:14510-1 (see also SUSE bugzilla) Related CVEs: CVE-2013-7490 CVE-2019-20919 CVE-2020-14392 CVE-2020-14393 CVE-2014-10401 CVE-2014-10402 Upstream summary: An issue was discovered in the DBI module before 1.632 for Perl. Using many arguments to methods […]

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How to Install and Configure AIDE on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Install and Configure AIDE on RHEL 9

AIDE (Advanced Intrusion Detection Environment) is an open-source file integrity monitoring tool that detects unauthorized changes to files on a Linux system. It creates a cryptographic baseline database of your file system and compares the current state against that baseline on every check, alerting you to any additions, deletions, or modifications. AIDE is recommended by […]

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AlmaLinux 8 — felix-scr — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — felix-scr — 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-2020:5097 Upstream summary: Eclipse is an integrated development environment (IDE). The metadata for the eclipse:rhel8 module has been updated to remove the following unused profiles: c everything To check whether you have […]

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Oracle Linux 8 — mariadb:10.3 — security and stability fixes — required update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — mariadb:10.3 — security and stability fixes — required update (ELSA-2019-3708)

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2019-3708 Related CVEs: CVE-2019-2510 CVE-2019-2537 CVE-2019-2614 CVE-2019-2627 CVE-2019-2628 CVE-2019-2737 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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