How to install ElasticSearch on Ubuntu

Elasticsearch is a powerful search engine tool for any application that needs relevance search, which simply can't be done using relational databases query. For learning purpose you can setup elasticsearch on your local computer.

How to install Oracle Java on Ubuntu

There are two kinds of java, oracle java JDK and open JDK, you can install both on ubuntu, but only one will be active JDK at one time. This article is about installing oracle java development kit (JDK) on ubuntu.

Multi window terminal using Terminator

If you are command line type of person, you might need multi window terminal/console when working under command line mode, the idea is to have multiple window console inside one terminal, like this:

How to search software package on Ubuntu

You can install software package on ubuntu using 'apt-get install' command, and you can uninstall software using 'apt-get remove' command, but what about searching the software package itself?

What is the difference between `apt-get purge` and `apt-get remove`?

Someone just asked me via email, what is the difference between 'apt-get purge' and 'apt-get remove' command on ubuntu? Both commands are for uninstalling/removing software packages in ubuntu world.

How to install docker-machine on Ubuntu 16.04

If you want to provision or manage docker host remotely from your local computer, you will need to install docker-machine. This article i will show you how to install docker-machine on ubuntu.

List of Docker commands on Ubuntu

So here's list of docker commands, you might only know two or three commands when you first learn docker, but after a while you might end-up learning all of these commands as you increase your docker knowledge.

How to use Docker on Ubuntu

After successfully install docker on ubuntu, next i'm going to show you how to use it, we are going to download our first docker image and run it.

How to install Docker on Ubuntu 16.04

Docker is very popular tool for containerization, docker containers wrap a piece of software in a complete filesystem that contains everything needed to run: code, runtime, system tools, system libraries – anything that can be installed on a server.

First thing to do after installing Ubuntu 16.04

Here's my top 6 things that probably you should do after installing ubuntu 16.04 xenial xerus. These are general stuff, you may also install software or driver that specific for your system.

Workbench error 'Cannot start SSH tunnel manager'

This morning i got an error when i try to open mysql workbench on my desktop pc running ubuntu 14.04, the error was 'Cannot start SSH tunnel manager'. This happened every time i try to connect to any MySQL database server, even the one on localhost.

Sorry, Ubuntu 16.04 has experienced an internal error

This morning my laptop which runs ubuntu 16.04 just crash, when i look at the detail of the error, i saw the program that makes the error was 'gnome-software'.

How to install Atom editor on Ubuntu

Atom is one of the best text editing software that's used by many web developer, it's created by github and available as free open source software.

How to install LXQt desktop on Ubuntu 16.04

Ubuntu comes with default gnome desktop, but that doesn't mean you can't use other type of desktop, for example LXQt desktop. If you like, you can install LXQt desktop on ubuntu 16.04.

GIMP, Image editing software on Ubuntu

If you are coming from windows or mac and you like editing pictures, you probably familiar with adobe photoshop software. Well, on ubuntu we don't have photoshop, but we got GIMP, software that can work exactly like photoshop.

How to show hardware info from command line Ubuntu

On ubuntu you can show hardware information from the command line, there is a dedicated command for showing hardware information such as CPU, GPU, RAM, HDD, wifi, ethernet, etc.

How to install sound equalizer on Ubuntu

When listening to the music sometimes you want to tweak the sound output, so that the sound can be more pleasing to listen. Therefore we need a sound enhancer or sound equalizer, so how to install sound equalizer on ubuntu? read this article.

Should Ubuntu 14.04 users upgrade to 16.04?

Before ubuntu 16.04 came out this year (2016), the latest ubuntu with LTS support available is ubuntu 14.04. The question is should the existing ubuntu 14.04 users (like my self) upgrade to the newest LTS ubuntu 16.04?

Ubuntu Keyboard Shortcuts

These are ubuntu keyboard shortcuts, i think learning these keyboard shortcuts will help us a lot when working with ubuntu, it can makes your live easier.

How to show again keyboard shortcut on Ubuntu

If you noticed, after installing ubuntu, when you first time shown the ubuntu desktop screen, there will be a pop up showing keyboard shortcut on ubuntu. This pop-up window will disappear after you click on something.

How to find files on command line of Ubuntu

Finding files on graphical mode is easy, but what about finding files on command line? how to do that? in this article i will show you how to find files on command line of ubuntu.

How to install Blender on Ubuntu 14.04

If you are 3D animator and you want to work on ubuntu, your best choice is to use blender, blender is a free and open source 3D animation suite.

How to install desktop dock on Ubuntu

Did you know that you can add program dock on your ubuntu desktop, just like on mac OS, there is a program called 'cairo dock' on ubuntu which looks similar like desktop dock on mac OS.

How to setup SSH keys on Ubuntu

If you use ssh very often, or if you are using git and github on ubuntu, you might want to generate ssh keys on your computer.

How to install open SSH server on Ubuntu

If you want to use ssh on remote computer, you need to install ssh server on that remote computer, assuming the remote computer is using ubuntu.

How to delete user on Ubuntu

Besides creating new user and showing list of user on ubuntu, you can also delete a user, if you need it. Just like create new user, there is also a dedicated command for deleting user on ubuntu.

How to show list of user on Ubuntu

After creating new user, you might want to show list of user on ubuntu, to confirm the new user is really exist (although this is not necessary). Or perhaps you just want to take a look at list of user on your machine.

How to create new user on Ubuntu

Creating new user on ubuntu is fairly simple, there is a command line tool for creating new user on ubuntu. In this article i will show you how to create new user on ubuntu.

How to use Virtualbox on Ubuntu

On previous article we have install virtualbox on ubuntu, now it's time for me to show you how to use it. In this tutorial i'm going to create a virtual machine that's running ubuntu as well, so the host machine is ubuntu and the virtual machine is also ubuntu.

How to install Virtualbox on Ubuntu

Virtualbox is a program that you want to use when you need to create a virtual machine on your computer. Virtual machine is another operating system running virtually on the host computer.

How to install debian package (.deb) on Ubuntu

When you enter the world of ubuntu, often you will find program with an extension of .deb, these are debian package, the question is how to deal with these debian package? how to install or run these debian package?

How to show list of installed program on Ubuntu

After installing so many program/packages on ubuntu, you might want to know which program is already install or not, in this article i will show you how to show list of installed program/packages/software on ubuntu.

Boot error when creating Live USB using unetbootin

I have just download ubuntu 16.04 disk image (ISO) and i want to create a live usb stick, i use program called unetbootin to create the live usb stick.

How to run compiz config setting manager from command line

The compiz manager tool or compiz config setting manager is a graphical based application and i believe in some situations you might need to run it from command line, so in this article i will show you how to do that.

How to add cool desktop effect on Ubuntu

Have you ever get bored with your ubuntu desktop? why not try to add some cool effects on your desktop, in this article i will show you how to add cool visual effect on ubuntu desktop.

How to delete trash from command line Ubuntu

In ubuntu, if you delete files or folders from the GUI, the deleted files/folders will go to trash can, you can delete the trash can content by right click and then choose 'empty trash'. The question is how to do it from command line?

Unzip everything with dtrx on Ubuntu

Dtrx is a program for unzip/extract various archive file such as .tar, tar.gz, bz2, zip, etc. With one program and one command you can extract all kind of archive files. 

How to disable online search on Ubuntu dash

By default, if you search something on ubuntu dash, it will make query to search on internet, this feature could be annoying for some people. In this article i will show you how to disable online search on ubuntu dash.

How to install unity tweak tool on Ubuntu

Unity tweak tool is program for tweaking user interface on ubuntu, you can change themes, icons, cursor, and many other things. In this article i will show you how to install unity tweak tool on ubuntu.

How to convert MP4, FLV to MP3 on Ubuntu

In this article i will show you how to convert MP4 and FLV video into MP3 audio format on ubuntu, actually not just MP3 but also other audio format.

What's the meaning of sudo on Ubuntu?

If you are new to ubuntu world or linux in general, you will find that a lot of tutorials on the internet (including on this blog) telling you to run a command with sudo, what exactly sudo means?

How to change computer hostname on Ubuntu

If you want you can change your computer hostname on ubuntu, there are two ways changing computer hostname on ubuntu, temporary and permanently.

How to enable disable network on Ubuntu

In this article i will show you how to enable and disable network on ubuntu, using graphical interface and also from command line/console/terminal.

How to install Laravel on Ubuntu

If you are php programmer/developer, you might want to try to use laravel framework, it's one of the best framework for php, in this article i will show you how to install/create laravel project on ubuntu.

How to install Composer on Ubuntu

If you are a php developer, you might want to install composer on your ubuntu, because composer is a package dependencies management tool for php, very similar as npm (node js) and bundler (ruby).

How to install cURL on Ubuntu

cURL is a command line tool for getting and sending files through URL syntax, cURL support various protocol. In this article i will show you how to install cURL on ubuntu.

How to install Mcrypt on Ubuntu

Mcrypt is one of the most important module for php, it enables encryption which uses by majority of php framework such as laravel. In this article i will show you how to install mcrypt module for php 5 on lubuntu.

How to compile and run C/C++ program on Ubuntu

Okay, on previous article i show you how to install C/C++ compiler on ubuntu, now it's time for me to show you how to write a C and C++ source code and then compile and run it.

How to install C/C++ compiler on Ubuntu

If you want to run a C or C++ program you will need a C/C++ compiler to compile the source code into executable or binary. On ubuntu, you can install package called 'build-essential' to have a C and C++ compiler on your system.

How to download torrent on Ubuntu

If you want to download something via torrent/bittorrent on ubuntu, you can use program called transmission. And the good things is you don't need to install tranmission because it comes pre-installed with ubuntu.