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How to Install and Configure RethinkDB on an Ubuntu 12.04 VPS — step-by-step Linux tutorial on Progressive Robot

How to Install and Configure RethinkDB on an Ubuntu 12.04 VPS

There are many different database solutions that allow you to store and manipulate data from within your programming environment. Many of these systems require a tradeoff between ease of use for development and ease of scaling. RethinkDB is a system that was created to address this issue of balance by creating a system that is capable of both. In this guide, we will install and configure a RethinkDB system on an Ubuntu 12.04 VPS.

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FreeBSD 12 — libXcursor — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — libXcursor — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: libXcursor — integer overflow that can lead to heap buffer overflow Related CVEs: CVE-2013-1981 CVE-2013-1982 CVE-2013-1983 CVE-2013-1984 CVE-2013-1985 CVE-2013-1986 CVE-2013-1987 CVE-2013-1988  +12 more Upstream summary: The freedesktop.org project reports: It […]

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How to Configure a Group Policy Central Store on Windows Server 2016 — step-by-step Windows Server 2016 tutorial on Progressive Robot

How to Configure a Group Policy Central Store on Windows Server 2016

How to Set Up Windows Server 2016 Group Policy Central Store The Group Policy Central Store is a centralised repository for Administrative Template files (ADMX and ADML) stored in the SYSVOL of the domain controller. Without a Central Store, each administrator’s workstation loads ADMX files from its local PolicyDefinitions folder, which can lead to inconsistencies […]

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Common Problems 120993

Debian 10: systemd unit enters start-limit-hit

🟠 High   ⏱ 5–30 min  Last verified: 24 May 2020 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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Common Problems 119119

Ubuntu 14.04 LTS NVIDIA Driver Causes Black Screen After Login

🟡 Medium   ⏱ 5–30 min  Last verified: 24 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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How to Install and Configure Varnish Cache on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Install and Configure Varnish Cache on Debian 10

Introduction Deploying install and configure varnish cache on debian 10 on a Debian 10 Buster machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites Ensure […]

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Arch Linux — perl-xml-libxml — vulnerability — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — perl-xml-libxml — vulnerability — 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-201801-15 Related CVEs: CVE-2017-10672 Upstream summary: Type: arbitrary code execution. Status: Fixed. Affected: 2.0129-1. Fixed in: 2.0130-1. Group: AVG-501. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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Common Problems 112408

Windows Server 2019 — Servicing Stack Update Missing Blocks Monthly LCU Install — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 24 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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