May 2021 - Page 56 of 69

Oracle Linux 8 — thunderbird — security and stability fixes — required update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — thunderbird — security and stability fixes — required update (ELSA-2019-1799)

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2019-1799 Related CVEs: CVE-2019-9811 CVE-2019-11713 CVE-2019-11709 CVE-2019-11711 CVE-2019-11730 CVE-2019-11717 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

Read more
Common Problems 114424

Subscription Manager Mismatch on RHEL 9

🟡 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 […]

Read more
AlmaLinux 8 — gettext — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — gettext — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2019:3643 Related CVEs: CVE-2018-18751 Upstream summary: The gettext packages provide a documentation for producing multi-lingual messages in programs, set of conventions about how programs should be written, a runtime library, and a […]

Read more
Amazon Linux 2 — ansible — multiple vulnerabilities (19 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — ansible — multiple vulnerabilities (19 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2ANSIBLE2-2023-001 Related CVEs: CVE-2021-3583 CVE-2020-14365 CVE-2019-14904 CVE-2019-14905 CVE-2020-10684 CVE-2020-10685 CVE-2020-10691 CVE-2020-1733  +11 more Upstream summary: A flaw was found in Ansible, where a user's controller is vulnerable to template injection. […]

Read more
How To Set Up a Node.js Application for Production on CentOS 7 — step-by-step Linux tutorial on Progressive Robot

How To Set Up a Node.js Application for Production on CentOS 7

In this tutorial, we will cover setting up a production-ready Node.js environment that is composed of two CentOS 7 servers; one server will run Node.js applications managed by PM2, while the other will provide users with access to the application through an Nginx reverse proxy to the application server.

Read more
How to Configure OPcache for PHP on SLES 15 — step-by-step SUSE Linux Enterprise 15 tutorial on Progressive Robot

How to Configure OPcache for PHP on SLES 15

Introduction This tutorial covers How to Configure OPcache for PHP on SLES 15 on SLES 15. SLES 15 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Prerequisites Ensure your SLES 15 system is up to date: zypper […]

Read more
FreeBSD 12 — mariadb102-client — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — mariadb102-client — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: MariaDB — Vulnerability in C API Related CVEs: CVE-2017-15365 CVE-2020-2574 Upstream summary: MariaDB reports: Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise MySQL […]

Read more
Установка веб-сервера Apache в Ubuntu 20.04 [Краткое руководство] — step-by-step Linux tutorial on Progressive Robot

Установка веб-сервера Apache в Ubuntu 20.04 [Краткое руководство]

HTTP-сервер Apache — самый широко используемый веб-сервер в мире. Он имеет множество мощных функций, включая динамически загружаемые модули, надежную поддержку различных медиа-форматов и интеграцию с другим популярным программным обеспечением. В этом обучающем руководстве мы…

Read more
CHAT