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75 Tahun Stephen Hawking, Pelajaran Hidup dari Fisikawan Kelas Dunia

- Tepat 75 tahun lalu, pasangan suami istri Frank dan Isobel Hawking memiliki putera pertama. Lahir 8 Januari 1942, tepat 300 tahun setelah kematian Galileo, putera bernama Stephen Hawking tersebut kelak menjadi fisikawan paling berpengaruh di abad 20.

Awstas Setup for VPS Centos 6.x

The procedures for setup Awstats on a virtual host running Apache on a Centos 6.x server can be explained as follows;
The first thing to do, off course, is installing the Awstats RPM. Login as root and do the installation of Awstats using the command: yum install awstats
Next, it is needed to append Awstats directives into the httpd.conf file of the server that running virtual hosting.
The httpd.conf can be accessed for editing using the command: nano /etc/httpd/conf/httpd.conf
Add the following sections inside the corresponding <VirtualHost *:80> section of the httpd.conf

Nagios 4 and Monitor Your Servers on CentOS 7

Introduction

In this tutorial, we will cover the installation of Nagios 4, a very popular open source monitoring system, on CentOS 7 or RHEL 7. We will cover some basic configuration, so you will be able to monitor host resources via the web interface. We will also utilize the Nagios Remote Plugin Executor (NRPE), that will be installed as an agent on remote hosts, to monitor their local resources.

Nagios is useful for keeping an inventory of your servers, and making sure your critical services are up and running. Using a monitoring system, like Nagios, is an essential tool for any production server environment.