Linux

How To Install the Django Web Framework on Ubuntu 22.04 — step-by-step Linux tutorial on Progressive Robot

How To Install the Django Web Framework on Ubuntu 22.04

Introduction Django is a full-featured Python web framework for developing dynamic websites and applications. Using Django, you can quickly create Python web applications and rely on the framework to do a good deal of the heavy lifting. In this guide, you will get Django up and running on an Ubuntu 22.04 server. After installation, you […]

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Debian 11 — libxstream-java — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libxstream-java — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 10 December 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2013-7285 CVE-2016-3674 CVE-2017-7957 CVE-2019-10173 CVE-2020-26217 CVE-2020-26258 CVE-2020-26259 CVE-2021-21341  +12 more Upstream summary: Xstream API versions up to 1.4.6 and version 1.4.10, if the security framework has not been […]

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How To Install OpenVPN Access Server on Ubuntu 12.04 — step-by-step Linux tutorial on Progressive Robot

How To Install OpenVPN Access Server on Ubuntu 12.04

OpenVPN Access Server is a “full featured SSL VPN software solution that integrates OpenVPN server capabilities, enterprise management capabilities, simplified OpenVPN Connect UI, and OpenVPN Client software packages that accommodate Windows, MAC, and Linux OS environments.” Install OpenVPN Access Server on your Ubuntu 12.04 VPS.

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Debian 11 — jquery-goodies — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — jquery-goodies — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 10 December 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-23395 Upstream summary: jQuery Cookie 1.4.1 is affected by prototype pollution, which can lead to DOM cross-site scripting (XSS). Table of contents Symptom & Impact Environment & Reproduction […]

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Gentoo Linux — app-admin/rsyslog — vulnerability — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — app-admin/rsyslog — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202408-28 Related CVEs: CVE-2022-24903 Upstream summary: Multiple vulnerabilities have been discovered in rsyslog. Please review the CVE identifiers referenced below for details. Table of contents Symptom & Impact Environment & Reproduction Root […]

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Ubuntu 18.04 — node-json5 — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — node-json5 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 10 December 2022 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6758-1 Related CVEs: CVE-2022-46175 Upstream summary: It was discovered that the JSON5 parse method incorrectly handled the parsing of keys named \_\_proto\_\_. An attacker could possibly use this issue to […]

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Ubuntu 22.04 — tika — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — tika — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 10 December 2022 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7529-1 Related CVEs: CVE-2022-33879 CVE-2022-30126 CVE-2022-30973 CVE-2020-1950 CVE-2020-1951 Upstream summary: It was discovered that Apache Tika can have an excessive memory usage by using a crafted or corrupt PSD file. […]

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Oracle Linux 9 — thunderbird — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — thunderbird — vulnerability — patch and remediation guide (ELSA-2022-4589)

🟠 High   ⏱ 15–60 min  Last verified: 10 December 2022 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-4589 Related CVEs: CVE-2022-29912 CVE-2022-29916 CVE-2022-29911 CVE-2022-29917 CVE-2022-29909 CVE-2022-29913 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Common Problems 116938

Ubuntu 22.04 LTS – apt update fails with failed to fetch mirror errors – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 9 December 2022 Affected versions: Ubuntu 22.04 LTS (Jammy) 📖 ~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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CHAT