CentOS

How To Set Up Python 2.7.6 and 3.3.3 on CentOS 6.4 — step-by-step Linux tutorial on Progressive Robot

How To Set Up Python 2.7.6 and 3.3.3 on CentOS 6.4

In this the cloud provider article, we are going to talk about downloading and setting up Python (versions 2.7.6 and 3.3.3) without breaking the system’s default 2.6 (or 2.4 depending on CentOS distribution) and without breaking critical system tools such as YUM which depend on the system’s default. Furthermore, we continue with setting up two popular must-have Python tools: pip and virtualenv.

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How To Use Dig, Whois, & Ping on an Ubuntu VPS to Query DNS Data — step-by-step Linux tutorial on Progressive Robot

How To Use Dig, Whois, & Ping on an Ubuntu VPS to Query DNS Data

Setting up domain names can be challenging for those who are inexperienced. The “dig” command can help verify that your domain settings are correct. This is also helpful for investigating how other websites set up their domain records. This guide will introduce the basics of how to query information with dig. It will also briefly explore the “ping” and “whois” commands.

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How To Install and Configure an OpenVPN Access Server on CentOS 6.5 — step-by-step Linux tutorial on Progressive Robot

How To Install and Configure an OpenVPN Access Server on CentOS 6.5

OpenVPN is a VPN implementation that works on Linux, Windows, and Mac operating systems and can be utilized to create complex, encrypted networks between physically dispersed servers. In this guide, we will set up the OpenVPN Access Server on CentOS 6.5. This can be used to automatically create VPN credentials for users and allow you to manage users and settings through a web-based interface.

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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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