2020 - Page 7 of 806

How to Optimize WordPress on Ubuntu — step-by-step Linux tutorial on Progressive Robot

How to Optimize WordPress on Ubuntu

Optimizing Wordpress installations on the cloud gives the clients and individuals your sites interact with the performance, speed, and flexibility they’ve come to expect with WordPress. In this tutorial, you’ll gain tips on how to optimize WordPress installations in a way that’s built for scale, including guidance on configuration, speed, and overall performance.

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Установка и использование Nextcloud в Ubuntu 20.04 — step-by-step Linux tutorial on Progressive Robot

Установка и использование Nextcloud в Ubuntu 20.04

Nextcloud (ответвление проекта ownCloud) — напоминающий Dropbox файлообменный сервер для централизованного хранения персонального контента, в том числе документов и изображений. Отличие Nextcloud в том, что весь его функционал реализован с открытым…

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Navigating the Web Server Landscape: Containerization and Microservices Impact

Navigating the Web Server Landscape: Containerization and Microservices Impact

In the dynamic realm of web development, containerization and microservices have instigated a transformative shift, reshaping the web server landscape. Notably, Nginx and Traefik have become indispensable choices as reverse proxies in containerized environments. This article delves into the profound impact of these innovative technologies on the web server ecosystem, investigating the driving forces behind their widespread adoption. Examining the pivotal roles played by Nginx and Traefik sheds light on their significance in meeting the evolving demands of modern web development practices.

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Oracle Linux 8 — libreoffice security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — libreoffice security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2020-4628)

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-4628 Related CVEs: CVE-2020-12802 CVE-2020-12803 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 118497

Ubuntu 16.04 LTS sudo: unable to resolve host

🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 📖 ~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 […]

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Amazon Linux 2 — evolution — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — evolution — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2025-2833 Related CVEs: CVE-2020-11879 CVE-2018-15587 Upstream summary: An issue was discovered in GNOME Evolution before 3.35.91. By using the proprietary (non-RFC6068) "mailto?attach=…" parameter, a website (or other source of mailto […]

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Common Problems 115555

RHEL 7 firewalld Rich Rule Accidentally Blocks App Traffic

🟠 High   ⏱ 5–30 min  Last verified: 20 May 2026 Affected versions: RHEL 7 📖 ~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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