CentOS

So richten Sie SSH-Schlüssel unter CentOS 8 ein — step-by-step Linux tutorial on Progressive Robot

So richten Sie SSH-Schlüssel unter CentOS 8 ein

SSH oder Secure Shell ist ein verschlüsseltes Protokoll zur Verwaltung und Kommunikation mit Servern. Wenn Sie mit einem CentOS-Server arbeiten, verbringen Sie wahrscheinlich die meiste Zeit in einer Terminalsitzung, die über SSH mit Ihrem Server verbunden ist. In diesem…

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How To Use Logstash and Kibana To Centralize Logs On CentOS 6 — step-by-step Linux tutorial on Progressive Robot

How To Use Logstash and Kibana To Centralize Logs On CentOS 6

In this tutorial, we will go over the installation of Logstash 1.4.2 and Kibana 3, and how to configure them to gather and visualize the syslogs of our systems in a centralized location. Logstash is an open source tool for collecting, parsing, and storing logs for future use. Kibana 3 is a web interface that can be used to search and view the logs that Logstash has indexed.

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How To Work with the ZeroMQ Messaging Library — step-by-step Linux tutorial on Progressive Robot

How To Work with the ZeroMQ Messaging Library

In this second instalment of the cloud provider ZeroMQ articles, following our previous one on the installation of the application, we are going to dive into its usage and discover ways to actually implement this fast and powerful library. We’ll make our way through various examples divided into successive sections, beginning with simple messaging between processes (i.e. using the request/response pattern).

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Top 10 Linux Easter Eggs — step-by-step Linux tutorial on Progressive Robot

Top 10 Linux Easter Eggs

Linux can be hard work. This article was made to show the other side of Linux, where things don’t have to be so serious all of the time. Many of the people who contribute to open source projects have a great sense of humor.

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Adding Logstash Filters To Improve Centralized Logging (Logstash Forwarder) — step-by-step Linux tutorial on Progressive Robot

Adding Logstash Filters To Improve Centralized Logging (Logstash Forwarder)

Logstash is a powerful tool for centralizing and analyzing logs, which can help to provide and overview of your environment, and to identify issues with your servers. One way to increase the effectiveness of your Logstash setup is to collect important application logs and structure the log data by employing filters, so the data can be readily analyzed and query-able. We will build our filters around “grok” patterns, that will parse the data in the logs into useful bits of information.

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