Building a Puppeteer Web Scraper with Docker on an app platform
Learn how to create a web scraper using Puppeteer, Docker containers, and the an app platform.
How to Install and Configure Memcached on RHEL 7
How to Install and Configure Memcached on RHEL 7 Memcached is a high-performance, distributed memory object caching system used to speed up dynamic web applications by reducing database load. It stores frequently requested data — such as database query results, session data, and rendered page fragments — in RAM, allowing subsequent requests to be served […]
Oracle Linux 8 — cups — security and stability fixes — required update (ELSA-2023-7165)
🟡 Medium ⏱ 10–30 min Last verified: 5 April 2021 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2023-7165 Related CVEs: CVE-2023-32324 CVE-2023-34241 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]
Windows Server 2012 R2 — TLS cipher suite hardening breaks legacy API integrations on internal services — Fix & Prevention
🟡 Medium ⏱ 5–30 min Last verified: 5 April 2021 Affected versions: Windows Server 2012 R2 📖 ~2 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 […]
How to Configure Oracle Linux 8 for Machine Learning
Introduction Setting up configure oracle linux 8 for machine learning on a Oracle Linux 8 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Configure Oracle Linux 8 for Machine Learning, with all the commands you need, the SELinux and firewalld considerations to keep in […]
AlmaLinux 8 — gtk2 — multiple vulnerabilities (12 CVEs) — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read • Source: AlmaLinux ALSA ALSA-2021:1586 Related CVEs: CVE-2019-13012 CVE-2020-13543 CVE-2020-13584 CVE-2020-16125 CVE-2020-9948 CVE-2020-9951 CVE-2020-9983 CVE-2021-1817 +4 more Upstream summary: GNOME is the default desktop environment of AlmaLinux. The following packages have been upgraded to a later […]
Comment utiliser les instructions Break, Continue et Pass pour travailler avec des boucles en Python 3
Au cours de ce tutoriel, nous allons passer en revue les instructions de break, continue et pass en Python, qui vous permettent d’utiliser les boucles for et while plus efficacement dans votre code.
FreeBSD 12 — coturn — vulnerability — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 5 April 2021 Affected versions: FreeBSD 12 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: coturn — information leakage Related CVEs: CVE-2020-4067 Upstream summary: Felix Dörre reports: The issue is that STUN/TURN response buffer is not initialized properly. (CWE 665) This is a leak of […]
How To Optimize Your Tomcat Installation on Ubuntu 14.04
Tomcat is a popular implementation of the Java Servlet and JavaServer Pages technologies. It is released by the Apache Software Foundation under the popular Apache open source license. Its powerful features, favorable license, and great community makes it one of the best and most preferred Java servlets.
Ubuntu 20.04 — awl — vulnerability — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 5 April 2021 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read • Source: Ubuntu Security Notice USN-4539-1 Related CVEs: CVE-2020-11728 Upstream summary: Andrew Bartlett discovered that DAViCal Andrew's Web Libraries (AWL) did not properly manage session keys. An attacker could possibly use this issue to impersonate […]
