A Brief Introduction to Expo
Want to get started with React Native and Expo, but don’t know where to start? This article should be a good starting place. We’ll be building a simple weather app.
How To Manage Log Files With Logrotate On Ubuntu 12.10
Logrotate is an excellent tool to manage your logs to conserve precious disk space. Learn more here.
openSUSE Tumbleweed — python36-python3-saml — vulnerability — patch and remediation guide
🔴 Critical ⏱ 15–90 min Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read • Source: SUSE advisory SUSE-SU-2021:0048-1 (see also SUSE bugzilla) Related CVEs: CVE-2017-11427 Upstream summary: OneLogin PythonSAML 2.3.0 and earlier may incorrectly utilize the results of XML DOM traversal and canonicalization APIs in such a way that […]
How To Install WordPress with LEMP (Nginx, MariaDB and PHP) on Debian 10
WordPress is the most popular CMS (content management system) on the internet. It allows you to easily set up flexible blogs and websites on top of a MySQL-based backend with PHP processing. In this guide, we’ll focus on getting a WordPress instance set up on a LEMP stack (Linux, Nginx, MariaDB, and PHP) on a Debian 10 server.
Ubuntu 18.04 — libpodofo — multiple vulnerabilities (10 CVEs) — patch and remediation guide
🟠 High ⏱ 15–60 min Last verified: 17 March 2020 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read • Source: Ubuntu Security Notice USN-7217-1 Related CVEs: CVE-2017-5886 CVE-2018-11255 CVE-2018-12983 CVE-2018-20797 CVE-2018-5308 CVE-2018-8002 CVE-2019-10723 CVE-2020-18971 +2 more Upstream summary: It was discovered that the PoDoFo library could dereference a NULL pointer when getting the […]
How To Install Jitsi Meet on Ubuntu 18.04
Jitsi Meet is an open-source video-conferencing application based on WebRTC. In this tutorial, you will install and configure a Jitsi Meet server on Ubuntu 18.04. The default configuration allows anyone to create a new conference room. This is not ideal for a server that is publicly available on the internet so you will also configure Jitsi Meet so that only registered users can create new conference rooms.
How To Install and Configure Postfix on Ubuntu 14.04
Postfix is one of the most popular open source mail delivery agents (MTA) in the world. In this guide, we will demonstrate how to install and configure a simple Postfix setup on an Ubuntu 14.04 server.
How to Configure IPv6 on Windows Server 2012 R2
How to Configure IPv6 on Windows Server 2012 R2 IPv6 is the successor to IPv4, offering a vastly larger address space (128-bit addresses versus IPv4’s 32-bit), improved routing efficiency, mandatory IPsec support, and built-in autoconfiguration capabilities. Windows Server 2012 R2 has first-class support for IPv6 and is actually designed to prefer IPv6 over IPv4 by […]
Как настроить виртуальные хосты в Apache на Ubuntu 14.04 LTS
Веб-сервер Apache является самым популярным средством размещения веб-контента в интернете. На его счету более половины всех действующих веб-сайтов. Это очень мощный и гибкий инструмент. Apache разделяет свои функциональные возможности и компоненты на отдельные части, которые…
Ubuntu 16.04 LTS SSSD Cache Causes Domain Login Failures
🟠 High ⏱ 5–30 min Last verified: 16 March 2020 Affected versions: 16.04 LTS 📖 ~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 & […]