Category Archives: Linux (Ubuntu)

Setting Up an NFS Server and Client on CentOS 7.2

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Setting Up an NFS Server and Client on CentOS 7.2
This guide explains how to set up an NFS server and an NFS client on CentOS 7. NFS stands for Network File System; through NFS, a client can access (read, write) a remote share on an NFS server as if it was on the local hard disk.

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How to determine Linux guest VM virtualization technology

How to determine Linux guest VM virtualization technology

I have a cloud-based virtual machine running Ubuntu and CentOS Linux server. It may or may not be virtualized. How do I determine what kind of virtualization technology (VMWARE/ KVM/ XEN/ VirtualBox/ Container/ lxc/Hyper-V etc.) a Linux guest system running on? How do I find out the virtualization type of a CentOS 7 Linux VPS?
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How to Install Nginx with PHP and MySQL (LEMP Stack) on CentOS 7.2

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How to Install Nginx with PHP and MySQL (LEMP Stack) on CentOS 7.2
Nginx (pronounced “engine x”) is a free, open-source, high-performance HTTP server. Nginx is known for its stability, rich feature set, simple configuration, and low resource consumption. This tutorial shows how you can install Nginx on a CentOS 7.2 server with PHP support (through PHP-FPM) and MySQL (Mariadb) support.

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How to install SuPHP on CentOS 7.2

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How to install SuPHP on CentOS 7.2
This tutorial describes the installation of SuPHP on centOS 7.2 from source as there are no SuPHP packages available for CentOS 7.2. SuPHP is an apache module that allows PHP to under a different Linux user than the apache user. This improves the security of hosted websites as you can run the PHP scripts of each website under a different user.

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The Perfect Server CentOS 7.2 with Apache, Postfix, Dovecot, Pure-FTPD, BIND and ISPConfig 3.1

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The Perfect Server CentOS 7.2 with Apache, Postfix, Dovecot, Pure-FTPD, BIND and ISPConfig 3.1
This tutorial shows how to install ISPConfig 3.1 on a CentOS 7.2 (64Bit) server. ISPConfig 3 is a web hosting control panel that allows you to configure the following services through a web browser: Apache web server, Postfix mail server, MySQL, BIND nameserver, PureFTPd, SpamAssassin, ClamAV, Mailman, and many more.

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Scientific Audio Processing, Part III – How to apply Advanced Mathematical Processing Effects on Audio files with Octave 4.0 on Ubuntu

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Scientific Audio Processing, Part III – How to apply Advanced Mathematical Processing Effects on Audio files with Octave 4.0 on Ubuntu
The third part of our Digital Audio processing tutorial series covers the signal Modulation, we explain how to apply Amplitude Modulation, Tremolo Effect, and Frequency Variation.

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Scientific Audio Processing, Part II – How to make basic Mathematical Signal Processing in Audio files using Ubuntu with Octave 4.0

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Scientific Audio Processing, Part II – How to make basic Mathematical Signal Processing in Audio files using Ubuntu with Octave 4.0
In this tutorial, we will see how we can do additions to signals, multiplying signals (modulation), and applying some basic mathematical functions to see their effect on the original signal.

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