Ubuntu 16.04

Securing Communications in a Three-tier Rails Application Using SSH Tunnels — step-by-step Linux tutorial on Progressive Robot

Securing Communications in a Three-tier Rails Application Using SSH Tunnels

Web applications are often architected with three distinct tiers: the presentation layer, which is what the user sees, the application layer, which provides the business logic of the application, and the data layer which stores the application’s data. In this tutorial, you will deploy a Rails app in a three-tier configuration by installing a unique set of software on three separate servers, configuring each server and their components to communicate and function securely and effectively.

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How to Install Go 1.6 on Ubuntu 16.04 — step-by-step Linux tutorial on Progressive Robot

How to Install Go 1.6 on Ubuntu 16.04

Go is a modern programming language developed at Google. It is increasingly popular for many applications and at many companies, and offers a robust set of libraries. This tutorial will walk you through downloading and installing Go 1.6, as well as building a simple Hello World application.

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How To Automate Elixir-Phoenix Deployment with Distillery and edeliver on Ubuntu 16.04 — step-by-step Linux tutorial on Progressive Robot

How To Automate Elixir-Phoenix Deployment with Distillery and edeliver on Ubuntu 16.04

Elixir is a functional programming language that’s popular for its focus on developer productivity and ease of writing highly concurrent and scalable applications, while Phoenix is a web framework built on Elixir to allow for the creation of highly performant web applications. In this tutorial, you’ll combine Elixir and Phoenix with edeliver and Distillery to create a single command that builds, deploys, and hot-swaps Phoenix projects in production.

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Ubuntu 16.04 — libproxy — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — libproxy — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 4 January 2021 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4673-1 Related CVEs: CVE-2020-26154 CVE-2020-25219 Upstream summary: Li Fei discovered that libproxy incorrectly handled certain PAC files. An attacker could possibly use this issue to cause a crash or execute […]

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Como configurar Apache Virtual Hosts no Ubuntu 16.04 — step-by-step Linux tutorial on Progressive Robot

Como configurar Apache Virtual Hosts no Ubuntu 16.04

O servidor web Apache é a forma mais popular de servir conteúdo web na Internet. Ele representa mais da metade de todos os websites ativos na Internet e é extremamente poderoso e flexível. O Apache divide suas funcionalidades e componentes em unidades individuais que podem…

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Common Problems 118624

Ubuntu 16.04 LTS UFW blocks expected traffic after rule changes

🟡 Medium   ⏱ 5–30 min  Last verified: 2 January 2021 📖 ~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 […]

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How To Manage Multi-Node Deployments with Rancher and Docker Machine on Ubuntu 16.04 — step-by-step Docker tutorial on Progressive Robot

How To Manage Multi-Node Deployments with Rancher and Docker Machine on Ubuntu 16.04

Rancher supports Docker Machine-based provisioning, which makes it easy to create Docker hosts on cloud providers, or inside your own data center. In this tutorial, you’ll use the the cloud provider driver that’s built into Rancher to create Droplets from the Rancher UI and provision them to run Docker compute hosts which you can monitor, scale, and use to deploy Docker containers.

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Ubuntu 16.04 — drupal7 — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — drupal7 — multiple vulnerabilities (10 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 30 December 2020 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7658-1 Related CVEs: CVE-2020-11023 CVE-2020-11022 CVE-2020-13671 CVE-2020-28948 CVE-2020-28949 CVE-2015-2559 CVE-2015-2749 CVE-2015-2750  +2 more Upstream summary: It was discovered that Drupal incorrectly parsed untrusted HTML. A remote attacker could possibly use […]

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Common Problems 118588

Cron jobs not running under expected user context

🟡 Medium   ⏱ 5–30 min  Last verified: 29 December 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 […]

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