How to hide folder in Ubuntu

How to Hide Folders/Files in Ubuntu

Some computer users (may be an advanced or a novice user) want to have some files/folders/directories hidden (specifically from other users if more than one person uses the computer), which probably may contains some private data or they just want to hide folders to reduce the clutter (by hiding rarely used folders).

If you want to hide folders containing private or sensitive data then better use encryption/decryption technique instead of just hiding it (it’s a kid stuff! any body having an I.Q in double digit can easily see the contents of your folders). Anyway, this post will explain – how to create hidden folders/directories or files in Ubuntu (should work with all versions ..10.04/10.10/11.04/11.10… as well as with other Linux based distro such as Linux Mint, Fedora, Open Suse ..) .

How to hide folder in Ubuntu

Ubuntu or any other Linux based Distribution has a very simple convention for hidden folders – Nautilus (File Browser) doesn’t show any folder, with the name starting with ‘ . ‘ period/dot. So here is the simple trick to create a hidden folder or file in Ubuntu .

Hiding Folder/file on Ubuntu

#1 : If you have just one file to hide then just rename the file name from ‘myfile’ to ‘.myfile’ or if you have a lot of files to hide then better create a folder – lets say – ‘mysecret’ and copy all the files you want to hide, then rename the folder name to ‘.mysecret’ .

#2 : Now refresh (hit F5) the screen, then your Folder/file will disappear.

#3 : That’s all..The most appropriate place for hiding folders/file would be desktop because CTRL+H won’t work directly , i.e in order to see hidden content(s), it must be seen through Nautilus.

How to see Hidden Files/Folders/Directory in Ubuntu

To see hidden file hit ‘CTRL+H’ (Twice if you want to hide it again) in nautilus or from command line/terminal. The command is –

ls -a

Warning! : Hiding folders isn’t a smart way to protect information from other people, you should encrypt it using some common encryption tool (A lot of free encryption tools for ubuntu are available) ; then decrypt it when you need it. So in this way, if any body will get your encrypted version of file/folder then they won’t be able (not necessarily true in all cases) to get the content! Second, it may works only with the nautilus i.e other file browser may show the hidden content directly!

Nvidia 8400 GS 256 MB

best graphics card for ubuntu 11.04/10.10

Ubuntu or any Linux based distribution has very bad history regarding the graphics card compatibility and performance (The reason is obvious, driver manufacturers do not provide driver softwares for their graphics card..), but in past few years I’ve noticed some nice changes and improvements which is worth acceptable. Since Ubuntu is the most popular desktop distribution, so now a days, it’s not a difficult task to find a good video card well compatible with Ubuntu 11.04 (Natty Narwhal) or 10.10 (Maverick Meerkat) or 10.04 LTS (alias : Lucid Lynx). Most of the graphics cards will be auto detected by Ubuntu (Just after the installation of Ubuntu 11.04/..).

In this post, you will learn how to select a graphics card for you Ubuntu computer, depending on your need and budget. If you are a normal users and think that I do not need any graphics card, then also you would probably have to purchase a graphics card because of the 3D effects of unity desktop (Although you can use classic desktop instead and turn off the compiz effects to go smoothly). By the way there are other advantages of using Graphics Card – such as better video quality (which in turn means that watching movies will be more Fun!), a lot of funky 3D effects, better system performance (due to dedicated video memory or GPU (Graphics Processing Unit)), and of course – good for video game players because you can play more games in better ways depending on the power of graphics card.

If you’re building a Gaming rig, then you should also checkout these : Entry level gaming PC under 40k and this one : Mid range gaming PC under 70k (INR)

Best Graphics Card for absolute beginners

MSI 8400 GS 256 MB

Nvidia 8400GS – 256MB is one of the Cheapest graphics card and well suitable for the users who want to purchase just a graphics card for enjoying some 3D effects with Ubuntu desktop. it will be automatically detected by the Ubuntu and all you need to do is to Enable the restricted driver, and reboot the computer!

Price : $34.63

Buy MSI 8400GS from amazon.com

Best Graphics Card for Entry Level Gamers

Buy ZOTAC Nvidia Geforce 9800GT from Amazon

ZOTAC Nvidia Gefore 9800 is a good graphics card for novice gamers and users who wants little more than 3D effects on Ubuntu 11.04. it is also detected automatically, for 3D you need nvidia-glx; works with version 180.44. (More Help in installing Binary Driver on Ubuntu).

Price : $89.99

Buy ZOTAC Nvidia Geforce 9800 GT from Amazon

Best Graphics Card for Moderately Advanced Level Gamers

ZOTAC Nvidia Geforce GTS 250

ZOTAC Nvidia Geforce GT 250 is good for moderately advanced level gamers (little better than entry level graphics cards), comes between the entry level and high end graphics cards. GT 250 is automatically detected by Ubuntu and 3D requires nvidia-glx (More Help).

Price : $138.99

Buy ZOTAC Nvidia Geforce GT250 from Amazon

JDK

how to install jdk on Ubuntu 11.04

Ubuntu (Latest Stable Version : Ubuntu 11.04 (Natty Narwhal) ) is one of the most popular Linux distribution on this planet while Java, the most popular programming language (Platform independent features makes Java Great! and superior to any other programming language, for building web and Desktop Applications). Due to a number of free( and of course they’re good) tools, compilers and other options Ubuntu has become the No. 1 choice, as a development platform, among the Java Developers (specifically young programmers).

If you are just a common user then you need only JRE (Java Runtime Environment) to execute java programs but If are going to write java programs or develop Apps then you need to install Java Development Kit (JDK, complete suite for Java Developers) along with some IDE like Eclipse or Netbeans (Not really necessary for absolute beginners). A lot of JDK’s are available, so if you have programmed before then choose the one you like, but on the other hand, try open-jdk-6, an open source Java Development Kit (contains Javac, an open source Java compiler and ). This post will explain – about installation procedure of Open-JDK on a freshly installed Ubuntu 11.04.

Java logo

Installing Java Development Kit (JDK) on Ubuntu 11.04

#1 : Open Synaptic Package Manager (and click on update button, it’s not necessary but it’s usually a good practice because in this way you will get the latest details about the packages), and search for ‘JDK’ or ‘open jdk’ in the quick search bar.

installing-jdk-ubuntu-11-04

#2 : Then select the package for installation ( by checking the small square box) and click on ok, if it asks for dependencies.

#3 : Now, click on ‘Apply’ button to begin the installation procedure…and wait for the installation to complete.

#4 : That’s All..to verify, open Terminal (CTRL+ALT+T) and type javac, you will see a lot info about the Java Compiler and …

Install JDK from command Line

Open Terminal and enter the following command(s), then enter your ubuntu login password followed by ‘y’ when prompted for yes/no.

sudo apt-get install openjdk-6-jdk

Ubuntu 11.04 vs Windows 7

Whether you are an Ubuntu user or a Windows user, this post is aimed to compare Ubuntu 11.04 with Windows 7 in every aspects… So let’s start a positive debate between them. Your view/idea is very important for this discussion so add your opinion through comments.

I ‘ve been using Ubuntu on my computer, from the last 2.4 years (Although I started with Windows Vista, and now I am using Windows 7 in triple boot mode, along with Ubuntu 10.10 (Maverick Meerkat) and 11.04 (Natty Narwhal) ), and I don’t Windows in general (exceptional case : like playing games). There are lot of reasons why prefer Ubuntu over Windows or any other operating system, and of course you will notice few of them, in the comparison table.

Update 1 : Two new rows added !

Update 2 : Two more rows added! (Thanks to Conualfy for his/her comment!)

Points Ubuntu 11.04 Windows 7
Control Since Ubuntu is an open source software, you can customize it as you want..There is no limit on the level of customization because the source code is available to use as you want (under GPL). it’s an proprietary software so forget about the source code and full customization.
Cost it’s completely free to use and distribute! Not free! No way, how can you think of that ?
Fun Ubuntu is complete fun! probably due to fact that there is always something new and exciting thing/stuffs try, just for Fun! You will get bored because there is lack of new things, so it feels like ‘got trapped in a box’.
Learning Ubuntu or any other Linux based Distros is excellent from learning point of view, specifically recommended for those who are interested in learning about modern Operating Systems (OS) and want to understand how it works. Forget about that, it doesn’t make any sense here.
Security/Virus STOP!!!  Ubuntu or any Linux based OS are virus free!, because it doesn’t work on the Ubuntu platform (probably due to the reason that most of the viruses were targeted to Windows and GNU/Linux is secure by default) so using ubuntu means that we are entering into the Virus free zone. Virus is one of the greatest threat to Windows based OS..and some one said – Windows and Security do not appear together – in a single sentence.
Diversity There is always new things waiting to try – e.g if you don’t like Gnome desktop, try something different such as KDE or XFCE or LMDE etc..it’s very flexible or in other words – modular. It has some desktop optimized for old hardwares while on the other hand you can enjoy 3D desktop effects with your new computer and graphics Card. There is nothing new on this side! choose something from the Menu and go on!!
Softwares A lot of free and open source software are available right there – in the Software Center or package Manager; just select and install in moments. Whether you are a student learning – “how to program” or a developer (desktop based software or web Apps), Ubuntu has better compiler (GCC, G++ etc), IDE(Eclipse, NetBeans), editors (gedit), Terminal (Bash) and all the tools you need. For programmers the apps are good but most common desktop applications – open office, Evolution Mail etc. sucks! Some proprietary softwares are good such as – Microsoft Visual compiler/IDE, Windows Live Writer, Microsoft word,One Note, Adobe Photoshop etc, but you can get an equivalent open source software for Ubuntu. E.g Gimp instead of Photoshop, Open Office in place of MS Word etc. In short, Windows has better commonly used Applications but a lack of programming tools and Apps. Windows Console sucks! (On the other hand bash Terminal is far better, powerful and Fun!)
Ease of Use GNU/Linux has very bad reputation if we consider this point (probably due to the fact that initially Linux based OS were used by only geeks who couldn’t think about non technical users), although Ubuntu is the most simple and easy to use – Linux based distro, it is difficult (for common desktop users) to use as compare to windows 7. File permission, root … irritates a lot to a normal desktop user. Windows 7 is very simple to use! as compare to Ubuntu 11.04 or any other Linux based distro.
Stability Ubuntu 11.04 or any other version of Ubuntu has very high frequency of releasing new versions which makes it very unstable and there are always a lot of crappy bugs waiting to fix. so it doesn’t seem  –  suitable for production/personal environment, even though LTS (Long Term Support) versions can be used in production environment. Windows 7 is very stable as compare to Ubuntu 11.04, so well suitable for production environment.
Drivers Compatibility Ubuntu has a lot of compatibility problems when it comes to device drivers e.g Graphics Card drivers, Webcam drivers… All device manufacturers releases the driver software for Windows 7 so there is no compatibility issue in this case.
Start Up Time Much Faster! Slower
Opera snapshot

how to install opera in Ubuntu 11.04

Opera is a popular web browser, developed by opera Software. Opera web browser is very popular among small devices such as mobile phones, but this post is based on the desktop version of opera web browser. Opera web browser is available free under proprietary license (with some open source components), for all common operating systems such as GNU/Linux distros (e.g Ubuntu 11.04/10.10.., Linux Mint, Fedora, OpenSuse etc), Windows 7, Mac OS X, FreeBSD.

Ubuntu users primarily uses Google Chrome and Mozilla Firefox, but Opera is also a good choice, specifically if you have used or just give it a try (Just for Fun!), you might like some new and exciting features in Opera 11.10 – the latest version of Opera for Linux Distributions. A special features named – ‘Opera Turbo’ seems impressing because it allow you to browse five times faster (5x, it seems cool) than the normal after enabling the opera turbo mode (You can switch to/from Opera Turbo Mode in single click, using the turbo button at bottom of the browser); specifically developed for the users who surf with slower internet connection. In this post, you will learn – how to install opera 11.10 on your freshly installed Ubuntu 11.04 (Natty Narwhal), using Ubuntu Software Center or command line/shell/terminal.

Opera snapshot on Ubuntu 11.04

Installing Opera on Ubuntu 11.04

#1 : Download the debian package ‘opera_11.10.2092_i386.deb’.

Download Opera 11.10 for Ubuntu 11.04

installing-opera-on-ubuntu-11-04

#2 : Now, open the downloaded package with Ubuntu Software Center (Right click on the file and select Open with Ubuntu Software Center), then click on install button to start the installation procedure. …..Wait for the installation to complete.

#3 : That’s All..Now go to menu (Top left corner) and search for ‘opera’ to start surfing with Opera.

Alternate way : From Terminal

Open Terminal (CTRL+ALT+T) and enter the commands, probably followed by your login password.

wget http://www.opera.com/download/get.pl?id=33541&location=321&nothanks=yes&sub=marine
sudo dpkg -i opera_11.10.2092_i386.deb