Introduction This tutorial demonstrates how to Configure Redis Sentinel on Oracle Linux 8 on Oracle Linux 8. It is written for administrators who want a repeatable, well-explained walkthrough that goes beyond a bare command list and explains each configuration choice. Every command is tested against a freshly registered Oracle Linux 8 system with the default […]
SSH oder Secure Shell ist ein verschlüsseltes Protokoll zur Verwaltung von und Kommunikation mit Servern. Wenn Sie mit einem Ubuntu-Server arbeiten, verbringen Sie wahrscheinlich die meiste Zeit in einer Terminalsitzung, die über SSH mit Ihrem Server verbunden ist. In dieser…
This tutorial explains how to install Python, how to create a virtual env, and how to install Django using Pip. These steps work on both CentOS and Ubuntu systems.Django is a free, open-source program that streamlines Python programming to help developers create “clean, pragmatic design”
Mail Transport Agent Strict Transport Security, MTA-STS, is a new internet standard that allows you to enable strict force-TLS for email sent between supported email providers. In this tutorial, you will learn how to configure MTA-STS and TLSRPT for your domain name, and then interpret your first TLS Report.
🟢 Low ⏱ 5–15 min Last verified: 14 March 2021 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read • Source: Ubuntu Security Notice USN-5274-1 Related CVEs: CVE-2020-14409 CVE-2020-14410 Upstream summary: It was discovered that Simple DirectMedia Layer library incorrectly handled memory when parsing certain specially crafted .BMP files. An attacker could possibly use […]
In this tutorial you will improve the performance of the LAMP stack by changing the default multi-processing module from pre-fork to event and by using the PHP-FPM process manager to handle PHP code instead of the classic mod_php in Apache HTTP.
ExternalDNS automatically manages external DNS records from within a Kubernetes cluster. Once deployed, ExternalDNS works in the background and requires almost no additional configuration. Whenever a Service or Ingress is created or changed, ExternalDNS will update the records right away. In this tutorial, you will install ExternalDNS to your Kubernetes cluster via Helm and configure to use the cloud provider as your DNS provider.
Introduction How to Install Xdebug for PHP on FreeBSD 12 is a core administration task for any FreeBSD 12 server operator. FreeBSD 12 ships with the 15.0-RELEASE kernel, ZFS as the default root filesystem, Capsicum capability sandboxing improvements, and an updated ports tree. Unlike Linux distributions, FreeBSD uses rc(8) for service management, pf for packet […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read • Source: Gentoo GLSA GLSA-202107-14 Related CVEs: CVE-2020-28924 Upstream summary: Passwords generated with rclone were insecurely generated and are vulnerable to brute force attacks. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis […]
🟠 High ⏱ 15–60 min Last verified: 13 March 2021 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2021-2714 Related CVEs: CVE-2021-32399 CVE-2021-33909 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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