Showing posts with label tips and trick. Show all posts
Showing posts with label tips and trick. Show all posts

Let me share with you my favorite Ubuntu Unity Desktop setup that works for me for years. You can have this enjoyable desktop style easily by practicing my tips below. Yes, of course this is practiced on 20.04 Focal Fossa already. Enjoy the innovative desktop once again!


(Video of my desktop style with minimalist dash, full clock, and upload-download indicator | this is downloadable video; hosted at Peertube)

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(KDE-based OS monitoring its own upload and download traffic)

Don't you realize your GNU/Linux operating system takes up your internet bandwidth without your consent? Do you want to browse the web more effectively to save up your net quota? I compile my own tips and tricks here in helping myself save my network bandwidth everyday as I'm using GNU/Linux desktop like KDE Neon and Trisquel. I hope these simple stuffs can help you too to avoid spending bandwidth unnecessarily. Enjoy!

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One of most important things to do with operating system and any major of software is keeping it up-to-date to the latest feature to make sure we have the latest feature, improvements, bug fixes, and more! System update can be very crucial if it is related with security stuff. Imagine if there is a security hole in an operating system so the wrong hand can access your files, password, and any secret stuff on your computer. Although Ubuntu which is one of many Linux distributions is known as a secure operating system, you should not underestimate a system update, especially an update with related to security stuff. In Ubuntu, you can do a security update via command line or any GUI which provides an easy user interface to perform a system update, but you should do that manually so it can be a troublesome activity. So, today I'd like to share a simple trick so you can perform security update automatically, it also called "unattended upgrade".

I have a written about the latest XFCE Terminal which adds drop down Terminal functionality like Guake or Yakuake. If you don't read it, please click here to read and install the latest version of XFCE Terminal so you can follow this tutorial. As far as I know, Thunar file manager comes with "Open Terminal Here" context menu. You can see it by right clicking on any folder from Thunar File Manager.

Recently, I wrote a post on how to enable lock screen on Xubuntu by using XScreensaver functionality. As you can feel, the default XScreensaver appearance is so ugly and not very impressive. Although that's not a big deal for performance and functionality, changing the appearance of your daily tool for work (computer) might can charge your spirit. So, today I'd like to write a simple post on how to change the appearance of XScreensaver lock screen from something like this:

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.

We all already know how to hide files and folders on Ubuntu. Yes, simply append "." dot character at the beginning of the file or folder name. In case, you have to hide many files or folders, this method will take a long time because you have to rename them one by one to append "." (dot) to them. But don't worry, there is another way to hide them, mmm, faster way :IMHO.

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.

You may ever 'bugged' with annoying pop up on Ubuntu "Ubuntu 12.04 has experienced an internal error" or something like that and you are sure that there is no error on Ubuntu. Fortunately, you can disable the apport reporting on Ubuntu with this simple trick.

Have you ever found your Ubuntu freezes? You move your mouse, press keyboard buttons but nothing happens? Well, the last thing we do to solve this problem is pressing the restart button, isn't it? As we all know, doing "hard reset" frequently will cause damages on hardware especially hard disk, correct me if I', wrong. So, is there any "proper" way to restart freezing Ubuntu? Yes, there is. We can use "Magic SysRq Key" to perform clean restart on freezing system. The Sysrq key is located near the Scroll Lock key on the keyboard and it's generally the same as Print Screen key.

Hii guys, today we will share some tips for you, i'm sure that some day you would need it . This tips is about how to convert document format (that supported by LibreOffice) to pdf, doc. docx, xls, xlsx, odt, ods collectively.

There are many ways to convert a document, one that is commonly use is an online converter, through this tips not only resolve your problem but also you can helping others people to convert their documents via your server (you can build such us web converter portal).

Prepare the Application
To do this job some aplication that need to install are unoconv, LibreOffice, and Ubuntu 11.04 or more, why you need an Ubuntu 11.04 or more because the previous version (of Libreoffice/OpenOffice) is not support for docx and xlsx document.


If you have a single wired Internet connection – say, in your small home office – you can create an ad-hoc wireless network with Ubuntu and share the Internet connection among multiple devices. Ubuntu includes an easy, graphical setup tool.

Unfortunately, there are some limitations. Some devices may not support ad-hoc wireless networks and Ubuntu can only create wireless hotspots with weak WEP encryption, not strong WPA encryption.


The NetBeans IDE is an award-winning integrated development environment available for Windows, Mac, Linux, and Solaris. The NetBeans project consists of an open-source IDE and an application platform that enable developers to rapidly create web, enterprise, desktop, and mobile applications using the Java platform, as well as PHP, JavaScript and Ajax, Groovy and Grails, and C/C++.
I'm one of many fans of Netbeans, I often use it to do my college assignment. Unfortunately, Netbeans looks very ugly on Ubuntu 12.04 LTS Precise Pangolin. Actually, it has big font and uncomfortable menu bar.

Dropbox is a famous online storage service which offers 2GB for its free account. Dropbox is simple, easy-to-use and its client is available on Linux. We can easily share our file to friends with just few clicks on file manager. Unfortunately, there is no share public folder option in Dropbox! So today, I'd like to write a post on how to share all files in "public" Dropbox folder easily. Let's get started!

In my opinion, the Ubuntu 12.04 LTS unity is much better than ever. It's fast, stable, and easy-to-use. But I still don't like the Unity launcher which waste my screen space. How do I remove it? Actually, we can remove Unity launcher without removing the whole Unity desktop, but we still can hide it and remains hidden even we put mouse pointer on the left side of screen.

If you used Unity on Ubuntu 11.10 Oneiric Ocelot, you might know what Unity Dodge Windows behavior is. When there is no window opened, the Unity launcher will remain appear on screen, but when there is a window overlap it, it will disappeared, magic!

Hello, today I'd like to show you a simple trick to have simple currency converter on Linux command line. I hope this post is useful for you especially for those who often works with international sales or trading. Here is a working example.

Playing a movie using ASCII art is probably the ultimate in anti-eyecandy, but it’s a cool trick for impressing your friends, or if you’re stuck in a tty, can’t start X, and just have to watch the latest episode of Lost. Mplayer has the ability to display movies in ASCII art.


Guest account is default account that exist in Ubuntu which used for additional user which is not registered in the system, Guest account have an access to the desktop, using all application that installed, but having limited access to the system setting. if you feel guest account might not needed may you can disable it, do as follow :

all you need to disable guest account is edit lightdm.conf that located at /etc/lightdm/lightdm.conf , edit lightdm.conf via vi/vim or gedit as illustrated below  (type following command at terminal) :
  • sudo gedit /etc/lightdm/lightdm.conf
in my computer, lightdm.conf is looks like the following :
[SeatDefaults]
autologin-guest=false
autologin-user=
autologin-user-timeout=0
autologin-session=lightdm-autologin
greeter-session=unity-greeter
user-session=ubuntu

Not only Ubuntu, sometimes we needed to work with other OS like windows in office or somewhere else. When we're not face directly with our computer (Ubuntu), can we monitor it ?, yes, you can !, you can do it via remote desktop connection.

Ubuntu as a part of Linux has provide some ports which commonly used as remote protocol, that is ssh (port 22) and telnet (port 21). If you are accustomed to use terminal you can use both of port above, but if you are not accustomed to, you can do it via VNC.


What is VNC ?
Virtual Network Computing (VNC) is a graphical desktop sharing system that uses the RFB protocol to remotely control another computer. It transmits the keyboard and mouse events from one computer to another, relaying the graphical screen updates back in the other direction, over a network. VNC is platform-independent – a VNC viewer on one operating system may connect to a VNC server on the same or any other operating system, (Wikipedia).