Cómo instalar Jitsi Meet en Debian 10
El autor seleccionó a Open Internet/Free Speech Fund para recibir una donación como parte del programa Write for DOnations. Jitsi Meet es una…
Como configurar o acesso remoto ao MongoDB no Ubuntu 20.04
Uma versão anterior deste tutorial foi escrita por Melissa Anderson. O MongoDB, também conhecido como Mongo, é um banco de dados de documentos de código aberto usado comumente em…
Debian 10 – mdadm RAID Degraded and Rebuild Stalled – Safe Recovery
🟠 High ⏱ 5–30 min Last verified: 28 July 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 & […]
RHEL 7 Yum GPG Key Verification Fails on Internal Mirror
🟡 Medium ⏱ 5–30 min Last verified: 28 July 2020 📖 ~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 References & Further […]
RHEL 7 systemctl Shows Unit Failed After Boot
🟡 Medium ⏱ 5–30 min Last verified: 28 July 2020 📖 ~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 References & Further […]
Alpine Linux edge — opendkim — vulnerability — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 0 📖 ~4 min read • Source: Alpine secdb entry — opendkim 0 Related CVEs: CVE-2020-35766 Upstream summary: Alpine community repository for vedge ships opendkim 0 which addresses CVE-2020-35766. Table of contents Symptom & Impact Environment […]
How to Install and Configure Nginx on Ubuntu | Step-by-Step Guide
Learn how to install and configure Nginx on Ubuntu with this step-by-step guide. Set up a web server, enable firewall rules, and optimize Nginx performance.
Installieren des Linux-, Apache-, MySQL-, PHP- (LAMP-)Stacks unter Ubuntu 20.04
Ein „LAMP“-Stack ist eine Gruppe von Open-Source-Software, die normalerweise zusammenhängend installiert wird, damit ein Server dynamische Websites und in PHP geschriebene Web-Apps hosten kann. Dieser Begriff ist ein Akronym, das für das Linux-Betriebssystem mit dem…
How to Set Up DRBD Block Replication on Debian 10
Introduction This guide explains how to Set Up DRBD Block Replication on Debian 10 on Debian 10 Buster. Debian Buster 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 10 install with […]
Ubuntu 18.04 — nvidia-graphics-drivers-440 — multiple vulnerabilities (3 CVEs) — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 28 July 2020 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read • Source: Ubuntu Security Notice USN-4404-1 Related CVEs: CVE-2020-5963 CVE-2020-5967 CVE-2020-5973 Upstream summary: Thomas E. Carroll discovered that the NVIDIA Cuda grpahics driver did not properly perform access control when performing IPC. An attacker could […]
