chris

How To Install Webmin on Ubuntu 20.04 — step-by-step Linux tutorial on Progressive Robot

How To Install Webmin on Ubuntu 20.04

Webmin is a web-based control panel for any Linux machine which lets you manage your server through a modern web-based interface. With Webmin, you can change settings for common packages on the fly, including web servers and databases, as well as…

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Debian 10 — httpcomponents-client — vulnerability — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — httpcomponents-client — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 1 January 2021 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-13956 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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Arch Linux — poppler — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — poppler — multiple vulnerabilities (3 CVEs) — 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-202101-3 Related CVEs: CVE-2020-35702 CVE-2017-9776 CVE-2017-9775 Upstream summary: Type: arbitrary code execution. Status: Fixed. Affected: 20.12.1-1. Fixed in: 21.01.0-1. Group: AVG-1382. Table of contents Symptom & Impact Environment & Reproduction […]

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Android ExpandableListView Example Tutorial — step-by-step DevOps tutorial on Progressive Robot

Android ExpandableListView Example Tutorial

Welcome to Android ExpandableListView Example Tutorial. In this tutorial we'll implement an ExpandableListView which is used to group list data by categories. It's sort of menu and submenus in a [Android ListView](/community/tutorials/android-listview-example-tutorial). Android ExpandableListView Android ExpandableListView is a view that shows items in a vertically scrolling two-level list. It differs from a ListView by allowing […]

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How to Configure ZFS on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Configure ZFS on Debian 9

Introduction This guide explains how to Configure ZFS 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 with the standard repositories […]

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Oracle Linux 8 — dotnet5.0 security and bugfix update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — dotnet5.0 security and bugfix update (ELSA-2021-0094)

🟠 High   ⏱ 15–60 min  Last verified: 31 December 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-0094 Related CVEs: CVE-2021-1723 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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