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openSUSE Tumbleweed — hawk2 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — hawk2 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2021:0054-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-35458 CVE-2021-25314 Upstream summary: An issue was discovered in ClusterLabs Hawk 2.x through 2.3.0-x. There is a Ruby shell code injection issue via the hawk_remember_me_id […]

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Common Problems 117609

Ubuntu 20.04 Software Center not opening

🟡 Medium   ⏱ 5–30 min  Last verified: 3 May 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 […]

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

Oracle Linux 8 — libtiff — security and stability fixes — required update (ELSA-2021-4241)

🟡 Medium   ⏱ 10–30 min  Last verified: 2 May 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-4241 Related CVEs: CVE-2020-35522 CVE-2020-35523 CVE-2020-35524 CVE-2020-35521 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 Harden SSH on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Harden SSH on IBM AIX 7.2

Introduction IBM AIX 7.2 is the latest release of IBM’s enterprise-grade UNIX operating system, running on IBM Power Systems hardware. Known for its reliability, security, and performance in mission-critical environments, AIX 7.2 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to harden ssh on ibm aix 7.2 on IBM AIX […]

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FreeBSD 13 — quassel — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — quassel — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 2 May 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: quassel — multiple vulnerabilities Related CVEs: CVE-2013-4422 CVE-2015-3427 CVE-2015-8547 CVE-2016-4414 Upstream summary: Gentoo reports: quasselcore: corruption of heap metadata caused by qdatastream leading to preauth remote code execution. Severity: high, […]

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How To Install and Configure an OpenVPN Access Server on CentOS 6.5 — step-by-step Linux tutorial on Progressive Robot

How To Install and Configure an OpenVPN Access Server on CentOS 6.5

OpenVPN is a VPN implementation that works on Linux, Windows, and Mac operating systems and can be utilized to create complex, encrypted networks between physically dispersed servers. In this guide, we will set up the OpenVPN Access Server on CentOS 6.5. This can be used to automatically create VPN credentials for users and allow you to manage users and settings through a web-based interface.

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How to Deploy a CakePHP Application on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Deploy a CakePHP Application on Oracle Linux 8

Introduction Setting up deploy a cakephp application on oracle linux 8 on a Oracle Linux 8 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Deploy a CakePHP Application on Oracle Linux 8, with all the commands you need, the SELinux and firewalld considerations to […]

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