Introduction to Reactivity in Svelte
One of Svelte’s strengths is its baked-in reactivity features. Let’s explore how you can take advantage of labels in JavaScript to get reactive values.
How To Use Dokku Plugins to Access Additional Functionality
Dokku is a deployment tool that allows you to quickly get your app off the ground in a production environment. In this guide, we will discuss how to take advantage of Dokku’s plugin system in order to extend the functionality of the core application. This will allow you to add database access to your applications, and provide you with additional deployment options.
Alpine Linux edge — libupnp — vulnerability — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 1.12.1-r1 📖 ~4 min read • Source: Alpine secdb entry — libupnp 1.12.1-r1 Related CVEs: CVE-2020-13848 Upstream summary: Alpine community repository for vedge ships libupnp 1.12.1-r1 which addresses CVE-2020-13848. Table of contents Symptom & Impact Environment […]
Ubuntu 18.04 — c3p0 — vulnerability — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 29 May 2020 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read • Source: Ubuntu Security Notice USN-5293-1 Related CVEs: CVE-2019-5427 Upstream summary: Aaron Massey discovered that c3p0 could be made to crash when parsing certain input. An attacker able to modify the application's XML configuration file […]
Ubuntu 18.04 — xcftools — multiple vulnerabilities (2 CVEs) — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 29 May 2020 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read • Source: Ubuntu Security Notice USN-5988-1 Related CVEs: CVE-2019-5086 CVE-2019-5087 Upstream summary: It was discovered that integer overflows vulnerabilities existed in Xcftools. An attacker could use this to cause a denial of service (system crash) […]
How To Deploy a Static HTML Website with Ansible on Ubuntu 20.04 (Nginx)
If you were following along with all parts of this series, at this point you should be familiar with installing system packages, applying templates, and using handlers in Ansible playbooks. In this guide, you’ll create an Ansible playbook to automate setting up a remote Nginx web server with a static HTML website.
How To Create RAID Arrays with mdadm on Ubuntu 16.04
Linux’s mdadm utility can be used to turn a group of underlying storage devices into different types of RAID arrays. This provides various advantages depending on which RAID level is used. This guide will cover how to set up devices in the most common RAID configurations: RAID 0, 1, 5, 6, and 10.
SLES 15 — go1.11 — vulnerability — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 29 May 2020 Affected versions: SLES 15 📖 ~4 min read • Source: SUSE advisory SUSE-SU-2019:2213-1 (see also SUSE bugzilla) Related CVEs: CVE-2019-14809 Upstream summary: net/url in Go before 1.11.13 and 1.12.x before 1.12.8 mishandles malformed hosts in URLs, leading to an authorization bypass in some applications. […]
Arch Linux — lib32-expat — multiple vulnerabilities (2 CVEs) — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read • Source: Arch ASA ASA-201707-27 Related CVEs: CVE-2017-9233 CVE-2016-9063 Upstream summary: Type: denial of service. Status: Fixed. Affected: 2.2.0-1. Fixed in: 2.2.2-1. Group: AVG-305. Table of contents Symptom & Impact Environment & Reproduction Root […]
IBM AIX 7.1 — CVE-2020-4949 — vulnerability — patch and remediation guide
🟠 High ⏱ 30–90 min Last verified: 29 May 2020 Affected versions: IBM AIX 7.1 📖 ~4 min read • Source: NVD CVE-2020-4949, IBM Support Bulletin CVE: CVE-2020-4949 NVD summary: IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 is vulnerable to an XML External Entity Injection (XXE) attack when processing XML data. A […]