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Alpine Linux edge — py3-bleach — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — py3-bleach — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 3.3.0-r0 📖 ~4 min read  •  Source: Alpine secdb entry — py3-bleach 3.3.0-r0 Related CVEs: CVE-2021-23980 CVE-2020-6816 CVE-2020-6802 Upstream summary: Alpine community repository for vedge ships py3-bleach 3.3.0-r0 which addresses CVE-2021-23980. Table of contents Symptom & […]

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Common Problems 118422

Ubuntu 16.04 DNS Resolution Fails Intermittently

🟡 Medium   ⏱ 5–30 min  Last verified: 23 February 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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IBM AIX 7.2 — CVE-2020-4365 — vulnerability — patch and remediation guide — diagnosis and fix on IBM AIX 7.2

IBM AIX 7.2 — CVE-2020-4365 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 23 February 2021 Affected versions: IBM AIX 7.2 📖 ~4 min read  •  Source: NVD CVE-2020-4365, IBM Support Bulletin CVE: CVE-2020-4365 NVD summary: IBM WebSphere Application Server 8.5 is vulnerable to server-side request forgery. By sending a specially crafted request, a remote authenticated attacker could exploit this […]

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How to Install Nexus Repository on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Install Nexus Repository on Oracle Linux 8

Introduction Setting up install nexus repository 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 Install Nexus Repository on Oracle Linux 8, with all the commands you need, the SELinux and firewalld considerations to keep in […]

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How to Set Up Gitea on Windows Server 2012 R2 — step-by-step Windows Server 2012 R2 tutorial on Progressive Robot

How to Set Up Gitea on Windows Server 2012 R2

How to Set Up Gitea on Windows Server 2012 R2 Gitea is a lightweight, self-hosted Git service written in Go that provides a GitHub-like web interface for managing repositories, issues, pull requests, and CI/CD pipelines. It is an excellent choice for organizations that need an on-premises Git server without the complexity and licensing cost of […]

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Regular Expression in Java - Java Regex Example — step-by-step Programming tutorial on Progressive Robot

Regular Expression in Java – Java Regex Example

URL: https://www.progressiverobot.com/regular-expression-in-java-regex-example/ Welcome to Regular Expression in Java. It's also called Regex in Java. When I started programming, java regular expression was a nightmare for me. This tutorial is aimed to help you master Regular Expression in Java. I will also come back here to refresh my Java Regex learning. Regular Expression in Java ![Regular […]

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Ubuntu 18.04 — nettle — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — nettle — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 23 February 2021 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4990-1 Related CVEs: CVE-2018-16869 CVE-2021-3580 CVE-2021-20305 Upstream summary: It was discovered that Nettle incorrectly handled RSA decryption. A remote attacker could possibly use this issue to cause Nettle to crash, […]

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