How To Set Up Apache Virtual Hosts on Debian 7
This article runs through setting up Apache virtual hosts on Debian 7.
Como Gerenciar Listas no Redis
O Redis é um datastore ou armazenamento de dados open-source de chave-valor na memória. No Redis, uma lista é uma coleção de strings classificadas por ordem de inserção, semelhante a [listas…
How To Install the Apache Web Server on CentOS 7
The Apache HTTP server is the most widely-used web server in the world. It provides many powerful features including dynamically loadable modules, robust media support, and extensive integration with other popular software.
How To Install and Get Started With Phalcon on an Ubuntu 12.04 VPS
In this article we will look at how to get started with Phalcon on your VPS running Ubuntu 12.04.
Arch Linux — vlc — multiple vulnerabilities (8 CVEs) — patch and remediation guide
🔴 Critical ⏱ 15–90 min Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read • Source: Arch ASA ASA-201906-22 Related CVEs: CVE-2019-5439 CVE-2019-12874 CVE-2017-9300 CVE-2017-10699 CVE-2017-8312 CVE-2017-8311 CVE-2017-8310 CVE-2020-26664 Upstream summary: Type: arbitrary code execution. Status: Fixed. Affected: 3.0.6-13. Fixed in: 3.0.7.1-1. Group: AVG-998. Table of contents Symptom […]
How To Edit the Sudoers File Safely
Edit the sudoers file safely with visudo. Validate syntax, grant least-privilege with fragments, recover from errors, and harden Linux.
Ubuntu 16.04 LTS UFW blocks expected traffic after rule changes
🟡 Medium ⏱ 5–30 min Last verified: 2 January 2021 📖 ~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 […]
Oracle Linux 8 — java-11-openjdk — security and stability fixes — required update (ELSA-2022-7012)
🟡 Medium ⏱ 10–30 min Last verified: 2 January 2021 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2022-7012 Related CVEs: CVE-2022-39399 CVE-2022-21624 CVE-2022-21626 CVE-2022-21618 CVE-2022-21619 CVE-2022-21628 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]
Ubuntu 18.04 LTS – NFS mount hangs and causes boot timeout
🟠 High ⏱ 5–30 min Last verified: 2 January 2021 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 […]
Ubuntu 20.04 slow boot due to long systemd startup
🟡 Medium ⏱ 5–30 min Last verified: 2 January 2021 📖 ~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 […]
