Linux

How To Protect SSH With Fail2Ban on CentOS 7 — step-by-step Linux tutorial on Progressive Robot

How To Protect SSH With Fail2Ban on CentOS 7

While connecting to your server through SSH can be very secure, the SSH daemon itself is a service that must be exposed to the internet to function properly. This comes with some inherent risk and offers a vector of attack for would-be assailants.

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How To Install and Use Zope 2 and PostgreSQL on Ubuntu 13.10 — step-by-step Linux tutorial on Progressive Robot

How To Install and Use Zope 2 and PostgreSQL on Ubuntu 13.10

Zope 2 is a powerful and easy-to-use web-based development framework. This is especially the case when used as a front-end for PostgreSQL. When used together, high quality database applications with HTML / XML interface can be constructed quickly in a highly scalable, secure, and maintainable fashion.

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Oracle Linux 8 — squid:4 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — squid:4 — vulnerability — patch and remediation guide (ELSA-2021-1979)

🟠 High   ⏱ 15–60 min  Last verified: 24 August 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-1979 Related CVEs: CVE-2020-25097 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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How to Install and Secure phpMyAdmin on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Install and Secure phpMyAdmin on Debian 10

Introduction How to Install and Secure phpMyAdmin on Debian 10 is a fundamental operation for any administrator maintaining a Debian 10 Buster server. Debian 10 Buster ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian 10. […]

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Common Problems 119051

Ubuntu 14.04 LTS cron jobs stop running after timezone and DST changes

🟡 Medium   ⏱ 5–30 min  Last verified: 23 August 2020 Affected versions: 14.04 📖 ~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 & Cross-Refs […]

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How to Install MongoDB on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Install MongoDB on Debian 10

Introduction Debian 10 Buster is built around the ethos of stability and free software. Setting up install mongodb on debian 10 on Buster leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Buster freeze. Follow each step carefully and the resulting […]

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Amazon Linux 2 — python-httplib2 — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — python-httplib2 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2ANSIBLE2-2023-007 Related CVEs: CVE-2020-11078 Upstream summary: A flaw was found in python-httplib2. An attacker controlling an unescaped part of uri for `httplib2.Http.request()` could change request headers and body, send additional […]

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Comment installer Node.js sur Ubuntu 20.04 — step-by-step Linux tutorial on Progressive Robot

Comment installer Node.js sur Ubuntu 20.04

Node.js est un runtime JavaScript pour la programmation côté serveur. Il permet aux développeurs de créer des fonctionnalités d’arrière-plan évolutives en utilisant JavaScript, un langage que beaucoup connaissent déjà grâce au développement web par…

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