Linux

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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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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Como Instalar o Servidor Web Apache no Ubuntu 18.04 — step-by-step Linux tutorial on Progressive Robot

Como Instalar o Servidor Web Apache no Ubuntu 18.04

O servidor HTTP Apache é o servidor Web mais amplamente usado no mundo. Ele fornece muitas características poderosas, incluindo módulos carregáveis dinamicamente, suporte robusto de mídia e uma integração extensa com outros softwares populares. Neste guia, vamos explicar como…

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openSUSE Tumbleweed — irssi — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — irssi — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2018-5206 CVE-2018-5208 CVE-2018-7050 CVE-2018-7051 CVE-2018-7052 CVE-2018-7053 CVE-2018-7054 CVE-2019-15717  +12 more Upstream summary: When the channel topic is set without specifying a sender, Irssi before 1.0.6 […]

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