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  • Linux
  • : How to speed up apache with mod_pagespeed and Memcached on Ubuntu 15.04.

    This tutorial will show you how to improve the page load times of your website by using the Google mod_pagespeed module for Apache in conjunction with the fast in-memory cache Memcached. The page load time is an important factor to get good rankings in search engines, you can test the current load time e.g. with the Google PageSpeed Insights tool or with the developer tools in the Firefox web browser. Pagespeed is an Apache 2 module that optimizes and caches the content of a website before it gets delivered to the browser, the result is that the page loads, the system load on your server decreases and the server will be able to deliver more pages per second. Mod_pagespeed uses a filesystem cache by default, in this tutorial we will replace the filesystem cache with Memcached, a fast in-memory caching daemon which will further improve the load time. This tutorial is compatible with all kind of apache setups, I will use a Ubuntu LAMP server as basis but you may also use on of the ISPConfig 3 Perfect Server tutorials.

    Posted on: Thursday September 03 2015

    Visit The HowtoForge Home Page at www.howtoforge.com


  • Linux
  • : Mail-in-a-Box: An Open Source Mail Server Solution.

    Mail-in-a-Box is a free, Open Source, mail server solution developed by Joshua Tauberer. Using Mail-in-a-Box, anyone can easily turn a fresh cloud system into a Mail server in few hours. It can host mail for multiple users and multiple domain names. Mail-in-a-Box is based on Ubuntu 14.04 LTS 64-bit and includes automatic DNS configuration, spam filtering, greylisting, backups to Amazon S3, static website hosting, and easy SSL certificate installation.

    Posted on: Wednesday September 02 2015

    Visit The Unixmen Home Page at www.unixmen.com


  • Linux
  • : How to install a wireless hotspot with captive page on Linux using CoovaChilli.

    The purpose of this article is to demonstrate how you can turn a Linux based computer or laptop into a wireless hotspot where users can be authenticated via a captive portal page. For this task, the primary controller software will be CoovaChilli. This software is an ideal hotspot management solution for hotels, restaurants, supermarkets, parks, and any place offering WiFi Internet.

    Posted on: Tuesday September 01 2015

    Visit The HowtoForge Home Page at www.howtoforge.com


  • Linux
  • Linux
  • : How to connect via Bluetooth in GNOME on Linux.

    Connecting to a Bluetooth device is essential for file transferring, audio sharing (Bluetooth speakers), and shared network connectivity (smartphones). GNOME settings panel is offering a quick way to do this in simple steps. Here‘s a guide on how to do it.

    Posted on: Sunday August 30 2015

    Visit The HowtoForge Home Page at www.howtoforge.com


  • Linux
  • : How to prepare for bad weather on Linux.

    Severely bad weather is one of the few things that can still awe people while causing large-scale catastrophes. Especially if you live in the US, you most likely have witnessed a dangerously large storm during the tornado season. Preparing for those situations is crucial for the safety and survival of you and your family, and while you can always keep an eye on the news for weather reports, you can also use your Linux system to draw conclusions yourself. There are a couple of free software tools that offer more “specialized” information that goes well beyond air speed and temperature.

    Posted on: Saturday August 29 2015

    Visit The HowtoForge Home Page at www.howtoforge.com


  • Linux
  • : How to get Oracle Virtual Box 5.0 installed on (Ubuntu) Linux.

    Oracle‘s Virtual Box is one of the easiest to use virtual machines that run under Linux. Although we Linux users have reasons not to use Oracle‘s products, the particular piece of software is maybe the best choice we can make in that area and at least it‘s open source. If you want to use other free software alternatives to Oracle‘s VM, you can check VMware Workstation, QEMU, or GNOME Boxes (currently works only on Fedora).

    Posted on: Friday August 28 2015

    Visit The HowtoForge Home Page at www.howtoforge.com


  • Linux
  • Linux
  • : How to monitor your system performance on (Ubuntu) Linux.

    Monitoring your Linux system is essential in order to be able to improve its performance, locate the source of a problem and take more targeted corrective actions. As is always the case with Linux, there are quite a few tools and many different ways you can utilize to monitor different aspects of your system‘s performance. On this simple guide, we will take an overall look on how to install and run three monitoring tools on an Ubuntu Linux system.

    Posted on: Wednesday August 26 2015

    Visit The HowtoForge Home Page at www.howtoforge.com


  • Linux
  • Guruz News: JavaScript Jargon: 10 Terms You Should Know.

    From currying to closures there are quite a number of JavaScript jargons (special words used within the field) knowing which will not only help you increase your vocabulary but understand JavaScript better. Jargons are normally found in documentations and technical articles. But some of them like closures are pretty standard things to know about. Knowing what the word itself mean can help you know the concept it is named for better.

    Posted on: Tuesday August 25 2015

    Visit The Website‘s Home Page at www.hongkiat.com


  • Linux
  • : Vector Algebra on Scientific Linux 7.1 with Python Script: Part 1.

    In this tutorial, we will discuss the vector algebra and corresponding calculations under Scientific Linux. For our purpose, I have chosen Python as the programming language for its simplicity and power of calculation. Any Linux distribution has by default a Python editor / compiler which is invoked through a terminal window. Let‘s go over some concepts of vector algebra.

    Posted on: Monday August 24 2015

    Visit The HowtoForge Home Page at www.howtoforge.com


  • Linux
  • : How to sync your documents with Google Drive on Ubuntu.

    Google Drive is a popular online service that allows for the easy sharing and collaborative editing of documents (word files or spreadsheets). Under the most usual day to day circumstances, the GDrive tool is very useful serving as a cloud space and/or a readily available online collaboration platform. On this guide, we will see how you can install an open source client tool for the service named Grive, and how to set it up according to your needs.

    Posted on: Sunday August 23 2015

    Visit The HowtoForge Home Page at www.howtoforge.com


  • Linux
  • Linux
  • : How to install KVM on Ubuntu 14.04.

    KVM (Kernel-based Virtual Machine) is a virtualization extension for the Linux Kernel. KVM requires a processor with hardware virtualization support which we will check later in this tutorial. There are many Operating systems that are supported by KVM, which include Linux, BSD, Solaris, Windows and others. It also supports Android 2.2, GNU/Hurd (Debian K16), Minix 3.1.2a, all of these work just with some limitations.

    Posted on: Friday August 21 2015

    Visit The HowtoForge Home Page at www.howtoforge.com


  • Linux
  • : Install And Configure Spacewalk In CentOS 7.

    Spacewalk is a free, open source Linux management system. It is upstream community project for Red Hat Satellite server. Using Spacewalk, we can deploy, manage and update packages to Red Hat derived distributions like CentOS, Fedora, and Scientific Linux etc. It has a cool web interface that will help us to view the status of software updates in the clients and initiate update actions. Spacewalk provides provisioning capabilities that enables you to kickstart provision systems and manage and deploy configuration files. It also has virtualization capabilities to enable you to provision, control, manage, and monitor virtual KVM and Xen guests.

    Posted on: Thursday August 20 2015

    Visit The Unixmen Home Page at www.unixmen.com


  • Linux
  • : How to use the NMAP Security Scanner on Linux.

    Nmap is a free and open source network discovery and security auditing utility that is widely used in the Linux users community as it is simple to use yet very powerful. Nmap works by sending data packets on a specific target (by IP) and by interpreting the incoming packets to determine what posts are open/closed, what services are running on the scanned system, whether firewalls or filters are set up and enabled, and finally what operation system is running. Those abilities are used for a wide variety of reasons and howtoforge.com is not encouraging nor suggesting the use of nmap for malicious purposes.

    Posted on: Wednesday August 19 2015

    Visit The HowtoForge Home Page at www.howtoforge.com


  • Linux
  • : How To Configure A High Available Load-balancer With HAProxy And Keepalived.

    This tutorial explains how to set up a two-node load balancer with HAProxy and keepalived on CentOS 7. The load balancer sits between the user and two (or more) backend Apache web servers that hold the same content. If one of them is down, all requests will automatically be redirected to the remaining backend server. which means the users will not notice any disruption of the service.

    Posted on: Tuesday August 18 2015

    Visit The Unixmen Home Page at www.unixmen.com


  • Linux
  • Linux
  • : How to install ProFTPd with TLS support on Ubuntu 15.04.

    FTP is a very insecure protocol because all passwords and all data are transferred in clear text. By using TLS, the whole communication can be encrypted, thus making FTP much more secure. This article explains how to set up ProFTPd with TLS on an Ubuntu 15.04 server, how to add an FTP user and to use FileZilla to connect securely with TLS.

    Posted on: Sunday August 16 2015

    Visit The HowtoForge Home Page at www.howtoforge.com


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