chris

Common Problems 112989

Windows Server 2016 – Windows container fails to start after host cumulative update – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 4 October 2019 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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How to Use AIX Live Application Mobility on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Use AIX Live Application Mobility 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 aix live application mobility on ibm aix 7.2 […]

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How to Set Up an SLES 15 Template in VMware — step-by-step SUSE Linux Enterprise 15 tutorial on Progressive Robot

How to Set Up an SLES 15 Template in VMware

Introduction This tutorial covers How to Set Up an SLES 15 Template in VMware on SLES 15. SLES 15 (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 15 system is up to date: […]

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

How to Set Up Storage Spaces on Windows Server 2012 R2

How to Set Up Storage Spaces on Windows Server 2012 R2 Storage Spaces is a software-defined storage technology built into Windows Server 2012 R2 that allows you to pool physical disks of varying sizes and types (SAS, SATA, SSD) into virtual storage pools, then carve those pools into virtual disks with resiliency options such as […]

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FreeBSD 12 — postgresql94-client — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — postgresql94-client — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 4 October 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: PostgreSQL vulnerabilities Related CVEs: CVE-2016-5423 CVE-2016-5424 Upstream summary: The PostgreSQL project reports: Security Fixes nested CASE expressions + database and role names with embedded special characters CVE-2017-7484: selectivity estimators bypass […]

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How to Configure Hyper-V QoS on Windows Server 2016 — step-by-step Windows Server 2016 tutorial on Progressive Robot

How to Configure Hyper-V QoS on Windows Server 2016

How to Set Up Windows Server 2016 Hyper-V Quality of Service Hyper-V Quality of Service (QoS) in Windows Server 2016 lets administrators control and prioritise the network bandwidth and storage I/O that each virtual machine or virtual network adapter can consume. Without QoS controls, a single VM running a backup job or large file transfer […]

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Gentoo Linux — net-dns/libidn2 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — net-dns/libidn2 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202003-63 Related CVEs: CVE-2019-12290 CVE-2019-18224 Upstream summary: Multiple vulnerabilities have been discovered in GNU IDN Library 2. Please review the CVE identifiers referenced below for details. Table of contents Symptom & Impact […]

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如何在Ubuntu 18.04服务器上安装Python 3并建立本地编程环境 — step-by-step Linux tutorial on Progressive Robot

如何在Ubuntu 18.04服务器上安装Python 3并建立本地编程环境

Python是一种灵活多样的编程语言。它的用途广泛,在脚本、自动化、数据分析、机器学习和后端开发方面都具有优势。Python于1991年首次发行,名字的灵感来源于英国喜剧团体”Monty Python”,因此Python开发团队希望让Python用起来很有趣。易于安装配置、代码风格相对简单直接、有即时的反馈和报错,这些特性让Python成为编程初学者的一个很好选择,也同样适合有经验的程序员。[Python…

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SaltStack Infrastructure: Installing the Salt Master — step-by-step Linux tutorial on Progressive Robot

SaltStack Infrastructure: Installing the Salt Master

In this article, we’ll introduce the various environments we’ll be building out and install the Salt master daemon onto our primary server. This is the core system that will house our configuration instructions, control our infrastructure nodes, and manage our requirements.

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