chris

Arch Linux — guile — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — guile — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-201610-10 Related CVEs: CVE-2016-8606 CVE-2016-8605 Upstream summary: Type: multiple issues. Status: Fixed. Affected: 2.0.12-1. Fixed in: 2.0.13-1. Group: AVG-47. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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Common Problems 118482

Ubuntu 16.04 NTP Time Drift Causes Authentication Failures

🟡 Medium   ⏱ 5–30 min  Last verified: 13 May 2020 📖 ~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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Common Problems 113078

Windows Server 2016 – Cluster network driver instability causes heartbeat loss – Fix and Prevention

🟠 High   ⏱ 5–30 min  Last verified: 13 May 2020 Affected versions: Windows Server 2016 📖 ~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 112459

Windows Server 2019 — DHCP failover enters Communication Interrupted state — Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 13 May 2020 Affected versions: Windows Server 2019 📖 ~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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openSUSE Tumbleweed — libXrender1 — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — libXrender1 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2013:1095-1 (see also SUSE bugzilla) Related CVEs: CVE-2013-1987 Upstream summary: Multiple integer overflows in X.org libXrender 0.9.7 and earlier allow X servers to trigger allocation of insufficient memory and a buffer overflow […]

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How to Set Up STONITH for Cluster Fencing on SLES 12 — step-by-step SUSE Linux Enterprise 12 tutorial on Progressive Robot

How to Set Up STONITH for Cluster Fencing on SLES 12

Introduction This tutorial covers How to Set Up STONITH for Cluster Fencing 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 […]

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How to Perform an Alternate Disk Migration on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Perform an Alternate Disk Migration on IBM AIX 7.1

Introduction IBM AIX 7.1 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 7.1 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to perform an alternate disk migration on ibm aix 7.1 […]

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FreeBSD 12 — pear-Horde_Image — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — pear-Horde_Image — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 13 May 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: pear-Horde_Image — DoS vulnerability Related CVEs: CVE-2017-9773 CVE-2017-9774 Upstream summary: Michael J Rubinsky reports: The second vulnerability (CVE-2017-9773) is a DOS vulnerability. This only affects Horde installations that do not […]

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JUnit5 Tutorial — step-by-step Programming tutorial on Progressive Robot

JUnit5 Tutorial

URL: https://www.progressiverobot.com/junit5-tutorial/ JUnit5 Tutorial In this Junit tutorial, we will introduce basics of JUnit5 and its new features using examples. In Java world, JUnit is one of the popular framework used to implement unit tests against java code. JUnit primarily helps developers to test their code on the [JVM](/community/tutorials/java-jvm-memory-model-memory-management-in-java) by themselves. JUnit5 Architecture JUnit Platform […]

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Installing and Using the Vim Text Editor on a Cloud Server — step-by-step Linux tutorial on Progressive Robot

Installing and Using the Vim Text Editor on a Cloud Server

In this article, we will cover how to install and utilize the vim text editor. The vim editor is an improvement on the standard “vi” editor standard on every POSIX-compliant system. We will go over the basics of modal editing and how chaining commands can help you accomplish editing tasks quickly.

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