Keepalived is a service that can monitor servers or processes in order to implement high availability on your infrastructure. In this guide, we will use the `keepalived` daemon to monitor two web servers. The secondary server will take over the web traffic if the primary server experiences issues by automatically claiming ownership of a shared Floating IP address using the cloud provider API.
Postfix is a free, open source Mail Transfer Agent which works to route and deliver email. Here we’ll help you install and setup Postfix on an Ubuntu 12.04 VPS.
🟠 High ⏱ 15–60 min Last verified: 10 August 2020 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read • Source: Ubuntu Security Notice USN-4432-2 Related CVEs: https://launchpad.net/bugs/1889556 https://wiki.ubuntu.com/SecurityTeam/KnowledgeBase/GRUB2SecureBootBypass CVE-2020-10713 CVE-2020-14308 CVE-2020-14309 CVE-2020-14310 CVE-2020-14311 CVE-2020-15705 +2 more Upstream summary: USN-4432-1 fixed vulnerabilities in GRUB2 affecting Secure Boot environments. Unfortunately, the update introduced regressions for […]
Une version précédente de ce tutoriel a été rédigée par Justin Ellingwood Redis est une base de données de valeurs-clés en mémoire renomée pour sa flexibilité, ses performances et son vaste…
ERPNext is an Enterprise Resource Planning (ERP) suite that leverages the power and flexibility of open-source technologies. It excels at managing core business processes such as finance, sales, HR, manufacturing, purchases, services, helpdesk, and more.
PostgreSQL is a popular database management system that can be used to handle the data from your website or application. This article will discuss methods of backing up PostgreSQL databases to ensure that your information will not be lost in the event of a problem.
🟡 Medium ⏱ 10–30 min Last verified: 9 August 2020 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read • Source: Ubuntu Security Notice USN-4556-1 Related CVEs: CVE-2005-1513 CVE-2005-1514 CVE-2005-1515 CVE-2020-3811 CVE-2020-3812 Upstream summary: It was discovered that netqmail did not properly handle certain input. Both remote and local attackers could use this vulnerability […]
O Laravel é um framework PHP de código aberto que fornece um conjunto de ferramentas e recursos para construir aplicativos PHP modernos. Com um ecossistema completo que aproveita suas funcionalidades nativas, a…
🟡 Medium ⏱ 5–30 min Last verified: 8 August 2020 📖 ~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 […]
Telepresence is a Cloud-Native Computing Foundation project for fast, efficient development on Kubernetes. Telepresence creates a bi-directional network connection between your Kubernetes cluster and your local workstation, which allows you to run your service locally, while you run the rest of your application in the cloud. In this tutorial, you’ll install and configure Telepresence to work with a Kubernetes cluster, and redirect traffic to that cluster to your local machine.
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