This is for adding pronounciation of english words in Stardict.I have already covered how to install and add dictionaries to Stadict in this post.For adding the sounds here are some steps:-

  • Copy WyabdcRealPeopleTTS.tar.bz2 to your home folder.
  • Then give these commands:
  • $ sudo cp WyabdcRealPeopleTTS.tar.bz2 /usr/share
  • $ cd /usr/share
  • $ sudo tar xjvf WyabdcRealPeopleTTS.tar.bz2
  • Now open your Stadict and go to preference->sound.
    

  •     If play is written there then replace it with aplay...and that's it!!!









Ubuntu OS :

Ubuntu is the most popular Linux based OS in the world right now. You can download and install it free in your system. There is always a newer version of Ubuntu OS comes after 6 months.Recently, the Ubuntu powered Smart Phones also came to market.Ubuntu is an open source software platform that runs from the Cloud, to the Smartphones, to all your things.

You can always get the more updates from the official website : Ubuntu OS

The Internet Download Manager :

I think it's the best in the market right now.It actually increases your download speed by mulitple times.It integrates seamlessly into Microsoft Internet Explorer, Netscape, MSN Explorer, AOL, Opera, Mozilla, Mozilla Firefox, Mozilla Firebird, Avant Browser, MyIE2, and all other popular browsers to automatically handle your downloads.

Get more information and updates here : Internet Download Manager

If you would like to know how to use and download videos using IDM , please follow this -Download movies with idm

Steps To Download Videos In Ubuntu :

I download a lot of videos from many different sites.I have been using  Internet Download Manager profoundly in Windows but I haven't found any downloader as good as Internet Download Manager.You just can't use IDM directly on the Ubuntu platform.Since the first day of switching to Ubuntu,I have been trying to figure out a way to download videos as fast as IDM.

Yesterday, I found a method by which i can capture any video links from any site.you need three things--
  • Firefox


Please find the video version here.
  • Go to any video sites like divxstage.net etc.
  • Start video and you will see DownloadHelper dancing in your bar.
     *you have to play video, without it DH will not be able to capture links, you
       can quit the video once you have captured links. 
  • Click on the DH and you will see url(relative), go to copy url and click on it.it will save link.



  • Now, go to Tools->DTA->Manager.Click on it.


  • You will see a new window, you just have to press start button and it will start download with a very good speed.


*You can download videos with the help of DownloadHelper but i found that DTA is much faster than DH and performs well in large videos download.


There may be more then one ways for this but i am going to tell you about a very simple application which is called-- Clamav

Installation-
open your terminal and type-

sudo apt-get install clamav

Updation-

After installation run this command to update your clamav's database.

sudo freshclam

Removing Enemies-
To check all files, run this command in terminal--

clamscan -r /

If you want to check some particular files(like windows) then first of all mount it(just click on the drive).



You can check whether the particular file is mount or not by running this command in your terminal--

sudo mount



Now, if you are able to see that the particular file is mount then just run this command-

clamscan -r --exclude=.avi --remove=no /media/ExtraSpace(my drive)





-r=for recursively checking
--exclude= if you want to exclude avi files, for image files use jpg or png.you can also use comma to put more than one format
--remove=you can put yes or no here.if you put no then it will not remove any file and show you a list of the infected files.
In last put your files which you want to check.

Result-



For more reading about clamav go here--
clamav guide
i have found this application while surfing on net.This application will look good in the christmas days with Tux-santa wallpapers.This application is called- Xsnow

Download--
  • Go to your software center and write xsnow in search box.
  • Press the install button and now it will be in your system.

How to Run??
  • Open your terminal and just write-- Xsnow
  • Now come to your desktop and see the magic.
Features-
  • Dropping snow on your desktop.you have to wipe out the snow to see the icons.
  • Christmas trees scattered on your desktop.
  • Moving Santa...

  • Simply press alt+f2.
  • Enter 'gconf-editor' in the box that appears. 


  • Navigate to  /apps/nautilus/desktop. 
  • Check the 'trash_icon_visible' box. 

     
  • You can also add other icons in the same section. 
  • Close the window when you're done, and you will have the trash icon on your desktop.
   
Many of u, like me may be wondering how to install offline dictionary in ubuntu.I have tried to search and found a very good one..u will definitely going to like it...the application's name is-- Stardict.

How to Install??

Use ubuntu software center or your terminal to install it.
sudo apt-get install stardict

After the installation, you have to add your favourite dictionary in stardict.For this follow these steps--

1. Download your dictionary from here-- free dictionary ,  i have downloaded      babylon, you can download any of it.
2. There will be a lot of tarballs inside your selected options,you can download
    one or many tarballs. 
3. For every tarballs repeat these steps--
    a) Extract it-  tar -xjvf  (name of your tarball)
    b) Move it -  mv (name of your extracted folder) /usr/share/stardict/dic

   
4. After these steps, open stardict(Applications->Accessories->Stardict) and
    look for any word.   


The file manager (Nautilus) currently does not support renaming disk partitions,


but Gnome's Partition Editor (GParted) does. To change a partition's label, follow these directions. (Be careful using Partition Editor, as it's capable of making your computer completely unusable if you do the wrong thing.)

  1. Open the System > Administration menu and see if there's an entry for GParted (previously Partition Editor).

  2. If there is, launch it. If there isn't, install the "gparted" package and it should now appear in the menu. Enter your password when prompted. 

  3. Disk drives are divided up into partitions. To find the partition you want to re-label, you first have to find the disk drive that contains it, using the drop-down menu in the upper right. It will show a device name like /dev/sdb and the drive's total size in parentheses. After selecting a drive, you will see a list of all partitions on that drive.

  4. If the partition is mounted (has a key icon next to it), right-click on the partition and select Unmount

  5. With the key icon gone, right-click on the partition and select Label. If you can't select it, install the ntfsprogs package

  6. Enter the new partition name and press Ok.



  7. The label change is now pending, but has not been completed. Press the Apply button near the top of the window. After confirming, it should say "All operations successfully completed". The drive now has a new label.
These instructions are to remove the prompt for a password when using the sudo command. The sudo command will still need to be used for Root access though. 

Edit the sudoers file

Open a Terminal window. Type in sudo visudo. Add the following line to the END of the file (if not at the end it can be nullified by later entries):

 ALL=NOPASSWD: ALL
 
Replace  with your user name (without the <>). This is assuming that
Ubuntu has created a group with the same name as your user name, 
which is typical. You can alternately use the group users or any other 
such group you are in. Just make sure you are in that group. This can 
be checked by going to,  
 
System->Administration->Users and Groups 

Example: 

praveen ALL=NOPASSWD: ALL
 
 
Type in ^x to exit. This should prompt for an option to save the file, type in Y to 
save and after that hit enter, you will be back to the shell..now test it by executing 
any command.


Log out, log back in. This should now allow you to run the sudo command without being prompted for a password.

Swapiness:-
The swappiness parameter controls the tendency of the kernel to move processes out of physical memory and onto the swap disk. Because disks are much slower than RAM, this can lead to slower response times for system and applications if processes are too aggressively moved out of memory.

  • swappiness can have a value of between 0 and 100
  • swappiness=0 tells the kernel to avoid swapping processes out of physical memory for as long as possible
  • swappiness=100 tells the kernel to aggressively swap processes out of physical memory and move them to swap cache
The default setting in Ubuntu is swappiness=60. Reducing the default value of swappiness will probably improve overall performance for a typical Ubuntu desktop installation. A value of swappiness=10 is recommended, but feel free to experiment.

To check the swappiness value:

cat  /proc/sys/vm/swapiness

To change the swappiness :  value A temporary change (lost on reboot) with a swappiness value of 10 can be made with, 


sudo sysctl vm.swapiness=10

To make a change permanent, edit the configuration file with your favorite editor:

gksudo gedit /etc/sysctl.conf

Search for vm.swappiness and change its value as desired. If vm.swappiness does not exist, add it to the end of the file like so:


vm.swapiness=10


SAVE and REBOOT.
 
First open your terminal and write this-- sudo apt-get install subdownloader
                                  or
you can also install it from ubuntu software center.

After the installation,go to Application-->Sound&Video-->subdownloader



you can download subtitles by the name of movie or you can also download it just by browsing to the video...it is very simple to use and you will be able to find most of movie's subtitles...


Thee simplest and easiest way to correct this issue is to order Ubuntu to reset
the graphics configuration. Press and hold Control, Alt and F1. You should now
see a black and white screen with a prompt for your username and password.

Enter your username, press Enter, and then enter your password.Next, enter the following commands. Your password will be needed again.

$ sudo cd /etc/X11
$ sudo mv ./xorg.conf ./xorg.conf_old
$ sudo service gdm stop
$ sudo X -configure
$ sudo mv ./xorg.conf.new ./xorg.conf
$ sudo reboot now


Ubuntu will reboot, and your login screen should be restored.

Method 1:--
There is a great application that can search all of your installed applications. It's called Xfce 4 Appfinder - and don't be scared by the name, it works in Ubuntu, Kubuntu, and Xubuntu. Now to install the program, open a terminal (Applications > Accessories > Terminal) and paste:

sudo apt-get update&&sudo apt-get install xfce4-appfinder 

It'll be in Applications > Accessories in GNOME, Kmenu > Utilities in KDE, and Xfce Menu > Utilities in XFCE.



Method 2:--
To search for anything with a GUI search tool, you can either go to Places > Search for Files, or you can right-click on any panel, select add to panel, and select the Deskbar search tool, and search from there.

Method 3:--
You can also install Beagle, a powerful search tool. To install it, just paste into a terminal:

sudo apt-get update&&sudo apt-get install beagle

It will replace the Places > Search for Files tool, and now it is just Places > Search.

Method 4:--
To search for anything with the terminal, you can either use the commands locate or which.
Locate is used more like a keyword-based search function. For example, if you type in a terminal:  locate java

then all files with the name java would appear, and there are a lot more than one if you have java installed. The which command will find the most important file associated with the keyword, i.e. which java
will reveal the location of the java executable, in /usr/bin/java, and that's it.
You can create backup very easily by using Deja dup tool..you can download it from Ubuntu Software Center.
After installation you can find it here--
Appplications-> System Tools-> Deja Dup Backup tool

The main reason of using Deja Dup tool is its simplicity.You can get to know what to do just by seeing its Gui.When you first click on it, you will get this--
Now even a novice user can tell by clicking back up you will create the backup of your files and by clicking on restore , a user will be able to restore his files...
Now go to the Edit-> Preference.This will open this window...


Here you can specify your backup location,it can be any remote site or your local hard drive.if you want to encrypt your backup files then click on checkbox given below.Now click on the Files tab--


Now in this,you can specify what folders and files, you want in your backup folder,you can include any folder just by hitting add button and you can remove any folder just by hitting remove button...you can also set the schedule by hitting on schedule tab..

My backup files--



RESTORE-

Click on the restore button, you wil see this--


And these are my restored files(see where the files are mounted, on a hard disk)-



Link for reference and troubleshoot--

Deja Dup help

There are also some very famous backup tools but they are a little bit complex in working than this tool...

These are -- Clonezilla and partImage

Tutorial of clonezilla and partImage
hddtemp is a tool by which you can see the temperature of your hard disks.For more information after installation type this in your terminal-
$man hddtemp

So, now let's install hddtemp.
Open your terminal and type--

$sudo apt-get install hddtemp

After installation type this in your terminal-
$sudo hddtemp /dev/sd*

If you want the results in Fahrenheit then type this-
$sudo hddtemp --u=F /dev/sd*

*the temprature of hard disks should be around 27C...(mine is a little bit high)

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