Linux

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 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 Create a Minecraft Server on Ubuntu 20.04 — step-by-step Linux tutorial on Progressive Robot

How To Create a Minecraft Server on Ubuntu 20.04

Minecraft is a popular sandbox video game. As of late 2019, it was the second best-selling video game of all time. In this tutorial, you will create your own Minecraft server so that you and your friends can play together. Specifically, you will install the necessary software packages to run Minecraft, configure the server to run, and then deploy the game.

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Ubuntu 16.04 — libphp-adodb — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — libphp-adodb — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 2 May 2021 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6825-1 Related CVEs: CVE-2016-4855 CVE-2016-7405 CVE-2021-3850 Upstream summary: It was discovered that the PDO driver in ADOdb was incorrectly handling string quotes. A remote attacker could possibly use this issue […]

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Common Problems 125124

Oracle Linux 8 – Common Problem 016 – Diagnosis and Fix

🔴 Critical   ⏱ 5–30 min  Last verified: 1 May 2021 Affected versions: Oracle Linux 8 📖 ~3 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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