How To Use Decorators in TypeScript
Decorators are a way to decorate members of a class, or a class itself, with extra functionality. This tutorial covers creating decorators in TypeScript for classes and class members, and also how to use them.
How To Setup Exim, Spamassassin, Clamd, and Dovecot on an Arch Linux VPS
This tutorial will cover how to install and configure an email system on a VPS running Arch Linux. This will allow us to receive and send email as the Linux user we create on our VPS . The email can then be accessed and administered by running a local mail client.
FreeBSD 12 — rubygem-actionmailer — multiple vulnerabilities (5 CVEs) — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 14 August 2019 Affected versions: FreeBSD 12 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: rails — multiple vulnerabilities Related CVEs: CVE-2013-4491 CVE-2013-6414 CVE-2013-6415 CVE-2013-6416 CVE-2013-6417 Upstream summary: Rails weblog: Rails 3.2.16 and 4.0.2 have been released! These two releases contain important security fixes, so […]
How to Set Up System Center on Windows Server 2016
How to Configure Windows Server 2016 System Center Microsoft System Center is a suite of management products designed to provide unified monitoring, configuration management, data protection, and virtualization management for Windows-based environments. The main components are System Center Operations Manager (SCOM), System Center Configuration Manager (SCCM), System Center Data Protection Manager (DPM), System Center Virtual […]
How To Set Up and Configure an OpenVPN Server on CentOS 7
Here we’ll install and configure OpenVPN on a CentOS 7 server. We’ll also discuss how to connect a client to the server on Windows, OS X, and Linux.
How To Install and Secure phpMyAdmin with Nginx on Ubuntu 16.04
Administering relational databases from the command line can be daunting. A project called phpMyAdmin aims to alleviate this by providing an easy to use web interface for MySQL. In this guide, we’ll discuss how to install and secure phpMyAdmin on top of a LEMP (Linux, Nginx, MySQL, and PHP) stack on an Ubuntu 16.04 server.
SLES 15 — procmail — multiple vulnerabilities (2 CVEs) — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 14 August 2019 Affected versions: SLES 15 📖 ~4 min read • Source: SUSE advisory SUSE-SU-2014:1137-1 (see also SUSE bugzilla) Related CVEs: CVE-2014-3618 CVE-2017-16844 Upstream summary: Heap-based buffer overflow in formisc.c in formail in procmail 3.22 allows remote attackers to cause a denial of service (crash) and […]
How To Create a Twitter App with Python
Having access to the Twitter API can help you manage your social media accounts, and allow you to mine social media for data. This can be useful for brand promotion if you represent a business or an organization, and it can be enjoyable and entertaining for individual users…
How to Set Up Varnish Cache as a Reverse Proxy on RHEL 7
How to Set Up Varnish Cache as a Reverse Proxy on RHEL 7 Varnish Cache is a high-performance HTTP reverse proxy and caching accelerator designed to sit in front of your web server. When a visitor requests a page, Varnish checks whether it holds a fresh cached copy. If it does, the response is served […]
Debian 9 — systemd — multiple vulnerabilities (3 CVEs) — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 14 August 2019 Affected versions: Debian 9 (stretch) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2018-16864 CVE-2019-3842 CVE-2019-6454 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification […]