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Como instalar o Docker Compose no Debian 10 — step-by-step Docker tutorial on Progressive Robot

Como instalar o Docker Compose no Debian 10

O Docker é uma ótima ferramenta para automatizar a implantação de aplicativos Linux dentro de contêineres de software, mas para aproveitar de todo esse potencial, cada componente de um aplicativo deve executar em seu próprio contêiner individual. Para…

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Common Problems 121033

Debian 10: chrony not syncing and system clock drift

🟡 Medium   ⏱ 5–30 min  Last verified: 14 March 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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openSUSE Tumbleweed — python36-marshmallow — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — python36-marshmallow — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2018-17175 Upstream summary: In the marshmallow library before 2.15.1 and 3.x before 3.0.0b9 for Python, the schema "only" option treats an empty list as implying […]

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How to Set Up OpenVPN on SLES 15 — step-by-step SUSE Linux Enterprise 15 tutorial on Progressive Robot

How to Set Up OpenVPN on SLES 15

Introduction This tutorial covers How to Set Up OpenVPN on SLES 15 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: zypper refresh […]

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Common Problems 118579

Ubuntu 16.04 LTS Kernel Panic After Virtual Hardware Change

🟠 High   ⏱ 5–30 min  Last verified: 14 March 2020 Affected versions: 16.04 LTS 📖 ~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 113598

Windows Server 2012 R2 — Delivery Optimization peer cache disabled causing WAN saturation during patch — Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 14 March 2020 Affected versions: Windows Server 2012 R2 📖 ~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 […]

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How to Set Up a Private Docker Registry on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Set Up a Private Docker Registry on Debian 9

Introduction This guide explains how to Set Up a Private Docker Registry on Debian 9 on Debian 9 Stretch. Debian Stretch uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 9 install […]

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openSUSE Tumbleweed — amavisd-new — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — amavisd-new — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SR:2005:013 (see also SUSE bugzilla) Related CVEs: CVE-2005-1349 Upstream summary: Buffer overflow in Convert-UUlib (Convert::UUlib) before 1.051 allows remote attackers to execute arbitrary code via a malformed parameter to a read operation. […]

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How to Configure WireGuard on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Configure WireGuard 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 configure wireguard on ibm aix 7.2 on IBM AIX […]

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Arch Linux — lxc — vulnerability — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — lxc — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-201705-17 Related CVEs: CVE-2017-5985 Upstream summary: Type: insufficient validation. Status: Fixed. Affected: 1:2.0.7-1. Fixed in: 1:2.0.8-1. Group: AVG-204. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis […]

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