Linux

Arch Linux — imagemagick — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — imagemagick — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-201903-15 Related CVEs: CVE-2019-9956 CVE-2016-7906 CVE-2016-7799 CVE-2020-13902 Upstream summary: Type: arbitrary code execution. Status: Fixed. Affected: 7.0.8.34-1. Fixed in: 7.0.8.35-1. Group: AVG-931. Table of contents Symptom & Impact Environment & […]

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Ubuntu 16.04 — icu — multiple vulnerabilities (11 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — icu — multiple vulnerabilities (11 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 11 October 2020 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5133-1 Related CVEs: CVE-2020-21913 CVE-2020-10531 CVE-2017-15422 CVE-2017-14952 CVE-2017-7867 CVE-2017-7868 CVE-2014-9911 CVE-2015-4844  +3 more Upstream summary: It was discovered that ICU contains a use after free issue. An attacker could use […]

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Initial Server Setup with Arch Linux — step-by-step Linux tutorial on Progressive Robot

Initial Server Setup with Arch Linux

This tutorial covers how to login with root, how to change the root password, how to create a new user, how to give the new user root privileges, how to change the port, and how to disable root login in. This tutorial is written for Ubuntu. When you first create your server, this tutorial explains the first steps you need to take. This tutorial is written for Arch Linux.

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Обслуживание приложений Flask с Gunicorn и Nginx в Ubuntu 20.04 — step-by-step Linux tutorial on Progressive Robot

Обслуживание приложений Flask с Gunicorn и Nginx в Ubuntu 20.04

В этом обучающем модуле вы создадите приложение Python с использованием микроструктуры Flask в Ubuntu 20.04. Основная часть этой статьи посвящена настройке сервера приложений Gunicorn, запуску приложения и настройке Nginx для…

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Ubuntu 20.04 — wkhtmltopdf — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — wkhtmltopdf — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 11 October 2020 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6232-1 Related CVEs: CVE-2020-21365 Upstream summary: It was discovered that wkhtmltopdf was not properly enforcing the same-origin policy when processing certain HTML files. If a user or automated system using […]

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How to Install Zabbix Server on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Install Zabbix Server on Debian 9

Introduction Deploying install zabbix server on debian 9 on a Debian 9 Stretch 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 Debian 9 […]

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Oracle Linux 8 — container-tools:ol8 security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — container-tools:ol8 security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2020-0348)

🟠 High   ⏱ 15–60 min  Last verified: 10 October 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-0348 Related CVEs: CVE-2020-7039 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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