This short tutorial explains how to install XAMPP for GNU/Linux on Ubuntu. This includes download link, how to verify the running servers, and some command lines. This doesn't include installing web-based software such as WordPress. This tutorial is for beginner users especially those switching from Windows. Any other distro such as Mint, BlankOn, or Deepin, can follow this tutorial as well because the steps are identical. Happy learning!

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This article introduces briefly how to install an extension in LibreOffice. It is very easy in only 3 steps. We choose MultiSave extension as example here. It is an extension to save document into many formats simultaneously. You may apply this example for another extensions. We hope this will be useful.

Now after Caja, we bring Dolphin. It is KDE file manager. We find Dolphin on Kubuntu, openSUSE, Slackware, or any other distro using KDE. We will explain briwfly how to use Dolphin to manage file and folder in Linux. We use Dolphin 14.12.3 in Kubuntu 15.04 here. We hope this will help any new users. Enjoy.

Overview

 

1. Main toolbar. It consists of toolbar itself plus Control button (menubar inside a button, just like latest Chrome or Firefox web browser).
2. Address bar (breadcrumb or text).
3. Left Sidebar. By default, Dolphin has Places style.
4. Status bar. It consists of status indicator, zoom slider, or folder size bar.
5. Right Sidebar. By default, it is file preview panel.

Concepts

1. Dolphin is an advanced file manager. By functionality, it is closer to Windows Explorer than any other file manager programs.
2. Dolphin has split view, tree view, and show in groups feature while another file managers don't have it anymore.
3. Dolphin builds its visual appearances from components. Sometimes it is toolbar, sometimes it is panel. Every component can be added, modified, or removed. So it is possible to create custom toolbar with your choosen buttons in Dolphin, just like LibreOffice Writer toolbars.
4. Dolphin has many panels. For example, tree view in Dolphin is treated as a special panel, named Folders Panel (F7).
5. Dolphin doesn't have menubar by default, moved into single button Control.

Split View

To split view in Dolphin, press F3. Press it again to revert back.

New Tab

To open a new tab, press Ctrl+T. Press Ctrl+W to close it.

New Folder

To create a new folder, right-click main area > Create New > Folder. You can't use Ctrl+Shift+N by default because that shortcut has been used as New Window.

Sort By

Dolphin is the only one file manager to do file sorting (by date or else) + Show in Groups. This feature can help us to easily differ a file from a another files in a folder. You ill find this feature in Windows Explorer too. To achieve this,

1. Open menu Control > Sort By > Date then select Descending.
2. Open menu Control > Sort By > Descending.
3. Open menu Control > Show in Groups.

This is our default view in Dolphin. If you want the other, change Date by Name, Type, or Size.

Search

To search file in Dolphin, press Ctrl+F. Press Esc to revert back. Remember that KDE Baloo component needs some times (a few minutes) since the first run to index your files. Baloo is the new Nepomuk, the file indexing service in KDE. Baloo in KDE is similar with Google Search Engine in the web.

Tree View

Tree view in Dolphin is achieved by adding Tree Panel (Folders Panel) manually. To do it, press F7 or access Control > Panels > Folders. See picture below. Red box means how to do it, green box means the result. You may edit the panel positions by unlocking panel first then drag them then lock them again.

Change Folder Logo

To change folder image, right-click a folder > Properties > click folder logo > select one image. In this example, we change default logo into red folder logo.

Integrated Terminal

To open Terminal directly inside Dolphin, press F4. To close it, press F4 again. It is an embedded Terminal, no need to open different window. Probably it is the most used/needed Dolphin feature for a Linux user.

After PCManFM, we introduce here basic Caja File Manager usage. Caja is a descendant from the old Nautilus from GNOME 2.x era. You will find Caja File Manager in Ubuntu MATE, Linux Mint MATE, or any other distribution using MATE as its desktop environment.  It keeps many features from the past, such as emblems and split views. We use Caja 1.8.2 from Ubuntu MATE 14.04 here. We hope this will help new users. Enjoy.

Adobe AIR is one of Adobe products which allows us to run Rich Internet Application in our desktop. The official installer of Adobe only supports Windows and Mac OS X operating system, and there is no "official download" for Linux users. But, don't worry, today I'd like to show you how to install Adobe AIR on Ubuntu 13.04 Raring Ringtail both 32bit and 64bit.

One of many good things in Ubuntu is there are a lot of free and open source which can be installed easily from repository. The official Ubuntu repository contains applications which predefined release schedule, so there might be some delay publishing an application update from its author to Ubuntu users. GetDeb and PlayDeb repository is an unofficial project which aims to provide the latest version of free open source software for Ubuntu. New software will be available as soon as released by the author. The main difference between GetDeb and PlayDeb is GetDeb offers the common software for Ubuntu while PlayDeb focused on publishing game for Ubuntu with easy install.

Hello readers! I'm sorry for not writing any post in this blog lately. Today, I'd like to share my experience on enabling "Open as Root" or "Open as Administrator" on Nautilus context menu. This kind of context menu is very useful because we can directly edit file (text file) which is located in system folder e.g. we can edit source list file by right clicking on the file and select "Open as Root" as the below image shows.

The Linux Kernel 3.8 (Stable) is a new series of stable Linux Kernel which is available for Ubuntu. It's amazing gift to Linux users. The Linux Kernel 3.8 released with includes support in Ext4 which improves the performance for these files and saves some disk space. There is also support for the Microsoft Windows 8 multi-touch protocol, and a new filesystem F2FS optimized for SSDs.

The full-featured office suite which becomes default office suite for Ubuntu, LibreOffice has released the latest major version, LibreOffice 4.0. LibreOffice 4.0 comes with many important changes and improvements, such as:

When I installed my Xubuntu 12.10 Quantal Quetzal. I had a problem with it that was a lack of lock screen which should usually available on Ubuntu (unity). So, you have a same problem with me, here's a quick tutorial on how to enable lock screen on Xubuntu and of course with a shortcut command.

Recently, I bought a brand new Kindle Paperwhite and I am very surprised with it because it just works on Ubuntu in transferring ebooks. So far, I have three different methods to transfer ebook to kindle from Ubuntu, there are transfer via Calibre, direct transfer from file manager, and make use of send to kindle email service.

1. Transfer via Calibre
Calibre is a opensource ebook library management which has many abilities such as managing ebook collections, converting ebook, sync to ebook reader devices such as Amazon Kindle, download news from the Internet and convert it to ebook friendly format, and more.

To use Calibre to transfer ebook to your Kindle device, please install it from Ubuntu repository, "sudo apt-get install calibre" should do that for you. Once installed, run Calibre and plug the Kindle devices. Calibre will automatically detect the Kindle and you are ready to go!

In many places or public facilities such as public library, university, airport, restaurant, and even mini market, there might be a free Wifi access so we can connect to the Internet with our laptop. Unfortunately, most of that free stuff comes with limitation for each connection (time limited or bandwidth limited). Once you reached the limit, you'll be disconnected or not be able to use the Internet. There are may workaround to cheat with that, one of them is changing MAC Address.

A Media Access Control address (MAC address) is a unique identifier assigned to network interfaces for communications on the physical network segment. MAC addresses are used for numerous network technologies and most IEEE 802 network technologies, including Ethernet. Logically, MAC addresses are used in the Media Access Control protocol sub-layer of the OSI reference model.

I removed all Unity stuff when I was switching from Unity to XFCE, including the Unity greeter for Lightdm. As expected, I've got a problem with lightdm which told me that "The system is running in low-graphics mode", so I was not be able to log in to my computer. If you encounter same problem with me, today I'd like to share my experience to solve this problem.

Well, there is already a PPA which contains an installation script of Oracle Java on Ubuntu. This script automatically download the installer from Oracle's website, install it on the computer, and finally configure it as default JVM on Ubuntu. Please click here for further information about this PPA. Using installer script is the easiest way to get things done, but in case you don't trust the script which can damage you system, you can still install Oracle Java manually. You do all the stuff by yourself!

Downloading the binary
First thing first, please download the Oracle Java binary from Oracle's website. If you want to develop Java application, you should choose JDK, but if you want just run Java application, the JRE should be suitable for you.

Hello readers, if you often work with CodeIgniter Framework and use Netbeans as its IDE, you should try CodeIgniter plugin for Netbeans. It's still under heavy development and there are just few features:

• Registering CI Archive Files(now only Core and Reactor 2.0.x) in NetBeans as Project Template.
• Creating template file for auto-completion.

But in the future it should be able to:

• Edit auto-completion template file.
• Register Language Pack Files.
• Support Sparks.
• And more!

If you have been using Google Chrome, you should be familiar with its native PDF viewer. Google Chrome allows us to view PDF directly in the browser without no need to open external application. What about Mozilla Firefox? The Ubuntu's default web browser. Fortunately, you do it on Firefox too! Here's the trick.

I wrote a post about how to install Adobe AIR on Ubuntu/Linux. Today, I want to write a supplemental post on how to uninstall installed Adobe AIR applications (and Adobe AIR runtime itself) on Ubuntu/Linux. Let's get started.

Hello readers! Good to see you again. Today, I'd like to write a step-by-step guide on how to install Adobe AIR on Ubuntu 12.04 LTS Precise Pangolin. Adobe AIR (Adobe Integrated Runtime) is a cross platform application runtime which allows us to run Rich Internet Application (RIA) on Windows, Linux, Mac, and even mobile devices.

Hello readers! Today I'd like to write a post on how to convert video for Android using HandBrake. HandBrake is an open-source, GPL-licensed, multipaltform, multithreaded video transcoder which is available for Windows, Linux, and Mac OSX. It comes with some presets for quick access to some common tasks.

There two built-in presets for Android: small screen device and bigger screen device. You can use those presets either via CLI (Command Line Interface) or via GUI (Graphical User Interface).