In this tutorial, you’ll set up a Ruby programming environment on your local macOS machine using Homebrew—a free and open-source package manager for macOS—and you’ll test your environment out by writing a simple Ruby program.
How to Configure Windows Server 2016 IPAM Advanced IP Address Management (IPAM) in Windows Server 2016 provides a centralized platform for discovering, monitoring, auditing, and managing the IP address space and DNS and DHCP servers across your network. The advanced features in Windows Server 2016 IPAM include role-based access control (RBAC), integration with System Center […]
🟢 Low ⏱ 5–15 min Last verified: 11 September 2019 Affected versions: FreeBSD 12 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: py-psutil — double free vulnerability Related CVEs: CVE-2019-18874 Upstream summary: ret2libc reports: psutil (aka python-psutil) through 5.6.5 can have a double free. This occurs because of refcount mishandling within a […]
Discourse es una plataforma de debate de código abierto. Puede usarse como una lista de correo, un foro de debate o una sala de chat grande. En este tutorial, instalaremos Discourse en…
🟠 High ⏱ 15–60 min Last verified: 11 September 2019 Affected versions: FreeBSD 12 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: xorg — protocol handling issues in X Window System client libraries Related CVEs: CVE-2013-1981 CVE-2013-1982 CVE-2013-1983 CVE-2013-1984 CVE-2013-1985 CVE-2013-1986 CVE-2013-1987 CVE-2013-1988 +12 more Upstream summary: freedesktop.org reports: Ilja van Sprundel, […]
Memcache is a system that works to speed up virtual private servers by caching server information. The program allows you to allocate a specific amount of the server ram toward caching recently queried data for a certain amount of time. This tutorial covers Memcache installation and illustrates how to use memcache with a simple php script.
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read • Source: Arch ASA ASA-201706-25 Related CVEs: CVE-2016-10369 Upstream summary: Type: access restriction bypass. Status: Fixed. Affected: 0.3.0-1. Fixed in: 0.3.0-2. Group: AVG-264. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]
Introduction to IIS WebSockets on Windows Server 2019 WebSockets provide a full-duplex, persistent communication channel over a single TCP connection between a client and server. Unlike standard HTTP request/response, WebSockets allow the server to push data to clients without the client polling. This is used in real-time applications including chat systems, collaborative tools, live dashboards, […]
Postfix is a popular open-source Mail Transfer Agent (MTA) that can be used to route and deliver email on a Linux system. It is estimated that around 25% of public mail servers on the internet run Postfix. In this guide, we’ll teach you how to get up and running quickly using the Postfix mail server.
🔴 Critical ⏱ 5–30 min Last verified: 10 September 2019 Affected versions: Debian 9 📖 ~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 & […]
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