Linux

How To Deploy a DocPad Application on Ubuntu 14.04 — step-by-step Linux tutorial on Progressive Robot

How To Deploy a DocPad Application on Ubuntu 14.04

In this tutorial, we are going to learn how to deploy an application made with [DocPad](https://docpad.org) to the standard 64-bit Ubuntu 14.04 image on the cloud provider. DocPad is a Node.js-powered static site generator that can be used alone or alongside a Node.js app to drive your site’s content.

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Редактирование файла Sudoers — step-by-step Linux tutorial on Progressive Robot

Редактирование файла Sudoers

Команда sudo полезна для выполнения команд с привилегиями, как правило, вне сферы полномочий вашего пользователя. В этом учебном модуле мы расскажем, как редактировать файлы конфигурации для настройки функций sudo.

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How To Gather Infrastructure Metrics with Topbeat and ELK on Ubuntu 14.04 — step-by-step Linux tutorial on Progressive Robot

How To Gather Infrastructure Metrics with Topbeat and ELK on Ubuntu 14.04

In this tutorial, we will show you how to use Topbeat, on an Ubuntu 14.04 server, with an ELK stack to gather and visualize infrastructure metrics. Topbeat, which is one of the several “Beats” data shippers that helps send various types of server data to an Elasticsearch instance, allows you to gather information about the CPU, memory, and process activity on your servers.

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How To Harden OpenSSH on Ubuntu 18.04 — step-by-step Linux tutorial on Progressive Robot

How To Harden OpenSSH on Ubuntu 18.04

Linux servers are often administered remotely using SSH by connecting to an OpenSSH server, which is the default SSH server software used within Ubuntu, Debian, CentOS, FreeBSD, and most other Linux/BSD-based systems. In this tutorial, you will harden your OpenSSH server by using different configuration options to help ensure that remote access to your server is as secure as possible.

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