Introduction Deploying configure iptables packet filtering on debian 10 on a Debian 10 Buster machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites You will […]
Sass is a CSS preprocessor that lets you create stylesheets in a much more efficient and intelligent manner than using simple CSS. Here’s how to set it up on your Ubuntu VPS.
An open-source programming language, R is widely used for developing statistical software, performing data analysis and visualization. R offers many user-generated packages for specific areas of study, which makes it applicable to many fields. In this tutorial, we will…
🟡 Medium ⏱ 10–30 min Last verified: 24 July 2020 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2020-4654 Related CVEs: CVE-2019-20916 CVE-2019-20907 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]
🟡 Medium ⏱ 5–30 min Last verified: 23 July 2020 📖 ~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 References & Further […]
🟡 Medium ⏱ 5–30 min Last verified: 23 July 2020 📖 ~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 References & Further […]
Increasingly, Linux distributions are adopting or planning to adopt the systemd init system. This powerful suite of software can manage many aspects of your server, from services to mounted devices and system states. In systemd, a unit refers to any resource that the…
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read • Source: SUSE advisory openSUSE-SU-2025:14898-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-5253 Upstream summary: NetHack before version 3.6.0 allowed malicious use of escaping of characters in the configuration file (usually .nethackrc) which could be exploited. This […]
🟢 Low ⏱ 5–15 min Last verified: 23 July 2020 Affected versions: Debian 10 (buster) 📖 ~4 min read • Source: Debian Security Tracker 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 […]
In this tutorial, we will teach you how to scale up your WordPress MySQL database server setup using master-slave database replication and the HyperDB plugin for WordPress. Adding more database servers to your environment in this manner allows your WordPress application to read from multiple database servers, increasing read performance.
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