Foreman is an open-source tool that can help with the management of servers, by providing an easy way to interact with Puppet to automate tasks and application deployment. In this tutorial, we will show you how to install Foreman with Puppet, and start using it to manage your servers. We will use Foreman for its reporting and External Node Classifier (ENC) capabilities, to ease the management of Puppet.
This article will go over how to enable SSH authentication using an OATH-TOTP app in addition to an SSH key. Logging into your server via SSH will then require two factors across two channels, thereby making it more secure than a password or SSH key alone.
phpPgAdmin is a php-based web application that provides a GUI interface for the postgresql system. It performs a similar function to phpMyAdmin, which allows users to manipulate database information in a visual program in MySQL. Here’s how to install and use phpPgAdmin on Ubuntu 12.04.
Rancher makes it easy to manage your infrastructure. In this tutorial you’ll set up a Node.js and MongoDB application using Rancher to balance the load across multiple servers and learn to scale as your needs grow.
This tutorial will show you how to configure Nginx as both a web server and as a reverse proxy for Apache – all on one Droplet. Depending on the web application, code changes might be required to keep Apache reverse-proxy-aware, especially when SSL sites are configured. To ensure this, we will install an Apache module named **mod_rpaf** which rewrites certain environment variables so it appears that Apache is directly handling requests from web clients.
🟢 Low ⏱ 5–15 min Last verified: 6 September 2019 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read • Source: Ubuntu Security Notice USN-4830-1 Related CVEs: CVE-2018-1000801 Upstream summary: It was discovered that Okular mishandled certain crafted archives during extraction. An attacker could use this vulnerability to write arbitrary files to the filesystem. […]
🟠 High ⏱ 5–30 min Last verified: 5 September 2019 Affected versions: Ubuntu 16.04 LTS Ubuntu 16.04 Ubuntu 16.04.7 📖 ~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 […]
🟡 Medium ⏱ 5–30 min Last verified: 5 September 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 […]
The technical programming language Julia is popular with scientists and engineers for speed and is also well suited to power interactive websites explaining complex concepts.
🟢 Low ⏱ 5–15 min Last verified: 5 September 2019 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read • Source: Ubuntu Security Notice USN-4175-1 Related CVEs: CVE-2019-5477 Upstream summary: It was discovered that Nokogiri incorrectly handled inputs. A remote attacker could possibly use this issue to execute arbitrary OS commands. Table of contents […]
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