August 2021 - Page 39 of 65

Common Problems 125203

Oracle Linux 8 – Common Problem 024 – Diagnosis and Fix

🟠 High   ⏱ 5–30 min  Last verified: 13 August 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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Common Problems 121101

Web Server Port Conflict on 80 or 443

🟡 Medium   ⏱ 5–30 min  Last verified: 13 August 2021 Affected versions: Debian 10 📖 ~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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How to Use GPFS Snapshots on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Use GPFS Snapshots on IBM AIX 7.2

Introduction IBM AIX 7.2 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 7.2 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to use gpfs snapshots on ibm aix 7.2 on IBM […]

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How to Set Up GitLab Runner on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Set Up GitLab Runner on FreeBSD 13

Introduction FreeBSD 13 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up set up gitlab runner on freebsd 13 on FreeBSD 13 follows the rc.conf/service(8) paradigm rather than systemd, which means enabling a service and configuring its startup options are done differently from any Linux […]

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What is Software as a Service (SaaS)? — step-by-step DevOps tutorial on Progressive Robot

What is Software as a Service (SaaS)?

Software as a Service (SaaS) is a category of cloud computing in which software is provided as a product over the internet. With SaaS, users have access to software provided by third party vendors, though they are not in charge of the production, maintenance, or modification of that software.

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Java Thread wait, notify and notifyAll Example — step-by-step Programming tutorial on Progressive Robot

Java Thread wait, notify and notifyAll Example

URL: https://www.progressiverobot.com/java-thread-wait-notify-and-notifyall-example/ The Object class in java contains three final methods that allows threads to communicate about the lock status of a resource. These methods are wait(), notify() and notifyAll(). So today we will look into wait, notify and notifyAll in java program. wait, notify and notifyAll in Java ![wait and notify in java, wait […]

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