🟡 Medium ⏱ 5–30 min Last verified: 17 June 2019 📖 ~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 […]
In this tutorial, you’ll build a basic Node.js TCP server, along with a client to test the server. You’ll run your server as a background process using a powerful Node.js process manager called PM2. Then you’ll configure Nginx as a reverse proxy for the TCP application and test the client-server connection from your local machine.
In this tutorial, you’ll set up a Ruby programming environment on your local Linux machine via the command line. Then you’ll test your environment out by writing a simple Ruby program. This tutorial explicitly covers the installation procedures for Ubuntu 16.04, but the general principles should apply to any Debian-based distribution.
🟢 Low ⏱ 5–15 min Last verified: 14 June 2019 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read • Source: Ubuntu Security Notice USN-3958-1 Related CVEs: CVE-2019-9928 Upstream summary: It was discovered that GStreamer Base Plugins did not correctly handle certain malformed RTSP streams. If a user were tricked into opening a crafted […]
🟠 High ⏱ 15–60 min Last verified: 12 June 2019 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read • Source: Ubuntu Security Notice USN-4047-1 Related CVEs: CVE-2019-10161 CVE-2019-10166 CVE-2019-10167 CVE-2019-10168 CVE-2018-12126 CVE-2018-12127 CVE-2018-12130 CVE-2019-11091 +9 more Upstream summary: Matthias Gerstner and Ján Tomko discovered that libvirt incorrectly handled certain API calls. An attacker […]
O SSH, ou shell seguro, é um protocolo criptografado usado para administrar e se comunicar com servidores. Ao trabalhar com um servidor Ubuntu, existem boas chances de você gastar a maior parte do seu tempo em uma sessão de terminal conectada ao seu servidor através do…
🟢 Low ⏱ 5–15 min Last verified: 10 June 2019 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read • Source: Ubuntu Security Notice USN-3546-1 Related CVEs: CVE-2018-5345 Upstream summary: Richard Hughes discovered that gcab incorrectly handled certain malformed cabinet files. If a user or automated system were tricked into opening a specially crafted […]
Discourse is an open-source discussion platform. It can be used as a mailing list, a discussion forum, or a long-form chat room. In this tutorial, we’ll install Discourse in an isolated environment using Docker, a containerization application.
El autor seleccionó Open Internet/Free Speech para recibir una donación como parte del programa Write for DOnations. Kubernetes es un sistema de orquestación de contenedores de código…
MySQL physical backups can be performed in a variety of ways, each with its own set of tradeoffs. In this tutorial we take a physical backup of a running MySQL database using LVM’s snapshot feature and compress and ship the backup files to object storage for long-term storage.
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