2021 - Page 699 of 759

Oracle Linux 8 — httpd:2.4 — security and stability fixes — required update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — httpd:2.4 — security and stability fixes — required update (ELSA-2022-1915)

🟡 Medium   ⏱ 10–30 min  Last verified: 30 January 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-1915 Related CVEs: CVE-2021-36160 CVE-2021-44224 CVE-2020-35452 CVE-2021-33193 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches […]

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How to Configure Audit Logging on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Configure Audit Logging on Oracle Linux 8

Introduction How to Configure Audit Logging on Oracle Linux 8 on Oracle Linux 8 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 […]

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Amazon Linux 2 — kernel-livepatch-4.14.252-195.481 — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — kernel-livepatch-4.14.252-195.481 — vulnerability — 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 ALAS2LIVEPATCH-2021-070 Related CVEs: CVE-2021-4002 Upstream summary: No CVE associated with this advisory Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – […]

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Primefaces Message, Messages & Growl components Example — step-by-step DevOps tutorial on Progressive Robot

Primefaces Message, Messages & Growl components Example

URL: https://www.progressiverobot.com/primefaces-message-messages-growl-components-example/ Messages are normally used for notifying, informing and keep the users aware of the actions that they are achieved. Typically, messages used for displaying information, errors, warnings and so on. Primefaces like all of jsf implementations, provides a different types of components that are used for doing so. Messages, message and growl are […]

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Como instalar o Webmin no Ubuntu 20.04 — step-by-step Linux tutorial on Progressive Robot

Como instalar o Webmin no Ubuntu 20.04

O Webmin é um painel de controle Web moderno que permite que você execute seu servidor Linux através de uma interface baseada no navegador. Com o Webmin, você pode gerenciar as contas de usuários, definir as configurações de DNS e alterar configurações…

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OpenBSD 7.5 — ssh — errata 017_ssh — reliability fix — syspatch and remediation — diagnosis and fix on OpenBSD 7.5

OpenBSD 7.5 — ssh — errata 017_ssh — reliability fix — syspatch and remediation

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: OpenBSD 7.5 📖 ~4 min read  •  Source: OpenBSD 7.5 errata 017_ssh Errata topic: Security: ssh (All architectures) Issued: February 18, 2025 Upstream summary: sshd(8) denial of service relating to SSH2_MSG_PING handling. ssh(1) server impersonation when VerifyHostKeyDNS enabled. Table of contents Symptom […]

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