ubuntu

How To Install the Send-Only Mail Server "Exim" on Ubuntu 12.04 — step-by-step Linux tutorial on Progressive Robot

How To Install the Send-Only Mail Server “Exim” on Ubuntu 12.04

Due to the popularity of Gmail, Google Apps, Outlook.com, Yahoo! Mail & a myriad of other providers, many cloud-server users mistakenly fail to install a mail server, initially. However, humans are not the only ones that send electronic mail. If fact, many Linux server applications also need to send email. This tutorial will review how to install a send-only mail server on Ubuntu 12.04.

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Installieren von Webmin unter Ubuntu 20.04 — step-by-step Linux tutorial on Progressive Robot

Installieren von Webmin unter Ubuntu 20.04

Webmin ist ein modernes Websteuerungspanel, mit dem Sie Ihren Linux-Server über eine browserbasierte Benutzeroberfläche administrieren können. Mit Webmin können Sie Benutzerkonten verwalten, DNS-Einstellungen konfigurieren und Einstellungen für…

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How To Interact with Data in ElasticSearch Using CRUD Operations — step-by-step Linux tutorial on Progressive Robot

How To Interact with Data in ElasticSearch Using CRUD Operations

ElasticSearch is a flexible search implementation that can be accessed and configured programmatically in order to build complex search features into your application or website. In this guide, we will discuss how to create, read, update, and delete data from ElasticSearch using simple HTTP requests.

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How To Manage Logfiles with Logrotate on Ubuntu 22.04 — step-by-step Linux tutorial on Progressive Robot

How To Manage Logfiles with Logrotate on Ubuntu 22.04

Logrotate is a system utility that manages the automatic rotation and compression of log files. If log files were not rotated, compressed, and periodically pruned, they would eventually consume all available disk space on a system. In this article, we will explore the default Logrotate configuration, then configure log rotation for a fictional custom application.

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How To Monitor Server Health with Checkmk 2.0 on Ubuntu 20.04 — step-by-step Linux tutorial on Progressive Robot

How To Monitor Server Health with Checkmk 2.0 on Ubuntu 20.04

Checkmk is a monitoring solution that is both robust and simple to install. It is a self-contained software bundle that combines Nagios with add-ons for gathering, monitoring, and graphing data. In this guide, you will set up Checkmk on an Ubuntu 20.04 server and monitor two separate hosts.

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How To Move an Nginx Web Root to a New Location on Ubuntu 22.04 — step-by-step Linux tutorial on Progressive Robot

How To Move an Nginx Web Root to a New Location on Ubuntu 22.04

On Ubuntu, by default, the Nginx web server stores its documents in `/var/www/html`, which is typically located on the root filesystem with the rest of the operating system. Sometimes, though, it’s helpful to move the document root to another location, such as a separate mounted filesystem.

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How To Protect SSH with Fail2Ban on Ubuntu 20.04 — step-by-step Linux tutorial on Progressive Robot

How To Protect SSH with Fail2Ban on Ubuntu 20.04

Fail2ban is a service that can be run on your server to dynamically block clients that repeatedly fail to authenticate correctly with your services . This can help mitigate the affect of brute force attacks and illegitimate users of your services. In this guide, we’ll demonstrate how to install and configure fail2ban to protect SSH on an Ubuntu 20.04 server.

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