IT, Cloud & DevOps Blog

Common Problems 118009

Ubuntu 18.04 LTS GPG Key Expired for apt Repository

🟡 Medium   ⏱ 5–30 min  Last verified: 19 July 2019 Affected versions: 18.04 LTS 📖 ~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 & […]

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Common Problems 113579

Windows Server 2012 R2 – JEA endpoint registration fails with module path errors – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 19 July 2019 Affected versions: Windows Server 2012 R2 📖 ~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 […]

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How to Set Up a Certificate Authority on SLES 12 — step-by-step SUSE Linux Enterprise 12 tutorial on Progressive Robot

How to Set Up a Certificate Authority on SLES 12

Introduction This tutorial covers How to Set Up a Certificate Authority on SLES 12 on SLES 12. SLES 12 (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 12 system is up to date: […]

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Alpine Linux edge — zziplib — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — zziplib — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 0.13.69-r2 📖 ~4 min read  •  Source: Alpine secdb entry — zziplib 0.13.69-r2 Related CVEs: CVE-2018-16548 CVE-2018-17828 Upstream summary: Alpine community repository for vedge ships zziplib 0.13.69-r2 which addresses CVE-2018-16548. Table of contents Symptom & Impact […]

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FreeBSD 12 — gnupg — multiple vulnerabilities (13 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — gnupg — multiple vulnerabilities (13 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 19 July 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: gnupg — AEAD key import overflow Related CVEs: CVE-2003-0971 CVE-2005-0366 CVE-2006-0049 CVE-2006-0455 CVE-2006-3082 CVE-2006-6235 CVE-2008-1530 CVE-2013-4402  +5 more Upstream summary: Importing an OpenPGP key having a preference list for AEAD […]

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Entendendo classes no JavaScript — step-by-step Javascript tutorial on Progressive Robot

Entendendo classes no JavaScript

O JavaScript é uma linguagem baseada em protótipo, e cada objeto no JavaScript tem uma propriedade interna escondida chamada [[Prototype]], que pode ser usada para estender as propriedades e métodos de objetos. Você pode ler mais sobre protótipos no nosso tutorial [Entendendo…

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FreeBSD 12 — ja-netscape-navigator-linux — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — ja-netscape-navigator-linux — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 19 July 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: libpng stack-based buffer overflow and other code concerns Related CVEs: CVE-2004-0597 CVE-2004-0598 CVE-2004-0599 Upstream summary: Chris Evans has discovered multiple vulnerabilities in libpng, which can be exploited by malicious people […]

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React でAxios を使用する方法 — step-by-step Javascript tutorial on Progressive Robot

React でAxios を使用する方法

Axiosは、軽量で promise ベースの HTTP クライアントです。この記事では、Axiosを使用して、Reactアプリケーション内の一般的な JSONプレースホルダーAPI にアクセスする方法の例を見ていきます。

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How to Configure Failover Clustering on Windows Server 2016 — step-by-step Windows Server 2016 tutorial on Progressive Robot

How to Configure Failover Clustering on Windows Server 2016 (SERVER-2016-2)

How to Configure Failover Clustering on Windows Server 2016 Failover Clustering is a Windows Server feature that allows multiple servers to work together to provide high availability for workloads and services. If one node in the cluster fails, another node automatically takes over, minimising downtime for critical applications. Windows Server 2016 introduces improvements including Cloud […]

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