September 2021 - Page 2 of 66

Debian 11 — node-extend — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — node-extend — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-16491 CVE-2018-16492 Upstream summary: A prototype pollution vulnerability was found in node.extend <1.1.7, ~<2.0.1 that allows an attacker to inject arbitrary properties onto Object.prototype. Table of contents Symptom […]

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

Como Instalar o Framework Web Django no Ubuntu 18.04

O Django é um framework Web Python completo para o desenvolvimento de sites e aplicativos dinâmicos. Usando o Django, você pode criar aplicativos Web em Python e confiar no framework para fazer uma boa parte do trabalho pesado. Neste guia,…

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How to Set Up NFS Server on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Set Up NFS Server on FreeBSD 12

Introduction FreeBSD 12 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up set up nfs server on freebsd 12 on FreeBSD 12 follows the rc.conf/service(8) paradigm rather than systemd, which means enabling a service and configuring its startup options are done differently from any Linux […]

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

Ubuntu 20.04 — jbigkit — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5742-1 Related CVEs: CVE-2017-9937 Upstream summary: It was discovered that JBIG-KIT incorrectly handled decoding certain large image files. If a user or automated system using JBIG-KIT were tricked into opening […]

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Oracle Linux 8 — mod_auth_openidc:2.3 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — mod_auth_openidc:2.3 — vulnerability — patch and remediation guide (ELSA-2022-1823)

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-1823 Related CVEs: CVE-2021-32786 CVE-2021-32792 CVE-2021-39191 CVE-2021-32791 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches […]

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Oracle Linux 8 — httpd:2.4 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — httpd:2.4 — vulnerability — patch and remediation guide (ELSA-2022-9005)

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-9005 Related CVEs: CVE-2021-34798 CVE-2021-39275 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]

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How To Build a REST API with Prisma and PostgreSQL — step-by-step Docker tutorial on Progressive Robot

How To Build a REST API with Prisma and PostgreSQL

Prisma is an open source database toolkit. In this tutorial, you will build a REST API for a small blogging application in TypeScript using Prisma and a PostgreSQL database. At the end of the tutorial, you will have a web server running locally on your machine that can respond to various HTTP requests and read and write data in the database.

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Debian 10 — mutt — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — mutt — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-14093 CVE-2021-3181 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]

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