June 2020 - Page 33 of 62

Common Problems 113137

Windows Server 2016 — Component store partial rebuild leaves features missing after restore — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 14 June 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 112463

Windows Server 2019 — DHCP scope exhaustion caused by stale reservations and delayed lease reclamation — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 14 June 2020 Affected versions: Windows Server 2019 📖 ~2 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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How to Install Ruby on Rails on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Install Ruby on Rails on Debian 10

Introduction How to Install Ruby on Rails on Debian 10 is a fundamental operation for any administrator maintaining a Debian 10 Buster server. Debian 10 Buster ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian 10. […]

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Spring @Component — step-by-step DevOps tutorial on Progressive Robot

Spring @Component

URL: https://www.progressiverobot.com/spring-component/ Spring Component annotation is used to denote a class as Component. It means that [Spring framework](/community/tutorials/spring-framework) will autodetect these classes for [dependency injection](/community/tutorials/spring-dependency-injection) when annotation-based configuration and classpath scanning is used. Spring Component In layman terms, a Component is responsible for some operations. Spring framework provides three other specific annotations to be used […]

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Alpine Linux edge — uwsgi — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — uwsgi — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 2.0.16-r0 📖 ~4 min read  •  Source: Alpine secdb entry — uwsgi 2.0.16-r0 Related CVEs: CVE-2018-6758 Upstream summary: Alpine main repository for vedge ships uwsgi 2.0.16-r0 which addresses CVE-2018-6758. Table of contents Symptom & Impact Environment […]

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How to Merge Two Lists in Java? — step-by-step Programming tutorial on Progressive Robot

How to Merge Two Lists in Java?

URL: https://www.progressiverobot.com/merge-two-lists-in-java/ Merging two lists in Java is often a useful operation. These lists can be ArrayLists or LinkedLists. How to Merge Two Lists in Java There are multiple ways we can merge two lists in Java. Let's explore some of the straightforward ones to get your job done! 1. The addAll() method to merge […]

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FreeBSD 12 — monkey — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — monkey — security advisory — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 14 June 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: monkey — improper input validation vulnerability Upstream summary: Census Labs reports: We have discovered a remotely exploitable "improper input validation" vulnerability in the Monkey web server that allows an attacker […]

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JSF Interview Questions And Answers — step-by-step DevOps tutorial on Progressive Robot

JSF Interview Questions And Answers

URL: https://www.progressiverobot.com/jsf-interview-questions-and-answers/ We have written a lot on JSF framework recently, so it's high time we write one on JSF interview questions and answers. Below is our collection of _JSF interview questions with answers_. So just go through them before interview and we are sure it will help you out in clearing the JSF interview […]

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How to increase your Gradle Build Speed? — step-by-step DevOps tutorial on Progressive Robot

How to increase your Gradle Build Speed?

URL: https://www.progressiverobot.com/increase-gradle-build-speed/ In this tutorial we'll look at things that can be done with the Gradle build to speed up the build time. Speed up your Android Gradle Build As our Android Studio project size increases, the gradle build performance becomes critical. The gradle speed for even the simplest project is pretty slow. Though every […]

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