Basic Linux Shell Commands

Posted by on Sunday, October 31, 2010 In : commands 
These list of Linux commands will help you when you are working with the Terminal

A
  • alias:         Allows you to set aliases and view the current aliases.
  • awk:          Search for a pattern within a file
  • alien:         Converts .tgz and rpm's to .deb format.
B
  • banner:       Prints characters as a poster.
  • badblocks:  Searches a device for bad blocks.
  • biff:             Turns mail notification on and off.
  • bg:             Move a job running in the foreground to the background.
  • bzip2:         Used to compre...

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Problem with the upgrade ubuntu 10.04 to 10.10

Posted by on Saturday, October 30, 2010 In : Ubuntu 
If your system will not detect new upgrades to ubuntu 10.10, you should edit a file in /etc/update-manager/release-upgrades. follow these steps....

1. open the file "release-upgrades" in  /etc/update-manager/
 with a suitable editor like gedit,vi or something else... in my case im using gedit

then you will see a line like 

Prompt=never;

or

Prompt=lts;

you must change it to 

Prompt=normal;



2. then save changes..

NOTE: 
  never  - Never check for a new release.

  normal - Check to see if a new release is...
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How Upgrade Ubuntu 10.04 to Ubuntu 10.10 with the Terminal or GUI

Posted by on Saturday, October 30, 2010 In : Ubuntu 

You can upgrade ubuntu 10.04 to its latest version 10.10 with the terminal like this...



1. goto Terminal 
Applications -> Accessories -> Terminal


2. now give the command
    sudo apt-get install update-manager-core



3. then give the next command
    sudo do-release-upgrade



4.now your system will check for new upgrades and will ask to upgrade..
then
 enter y for upgrade
 enter N for cancel
 enter d for the details..


 

If you plan to upgrade your system with the GUI (Graphical User Interface) you can do it l...
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/usr/lib/libgconf2-4/gconf-sanity-check-2 exited with error status 256 on Ubuntu

Posted by on Thursday, September 23, 2010 In : Linux 
I boot my PC with an another hard disk which is containing Fedora 13.

After that I could not boot my PC with my Ubuntu 10.04 hard disk and I have got the error message as
"/usr/lib/libgconf2-4/gconf-sanity-check-2 exited with error status 256".

And I could not login to my current user account .

However it was possible to log as root.

So I logged as root
 (username : root)

And I noticed there is an another new file in my file system (on root "/") with the name "core"
so I renamed It to "backup_core"...
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How Compair files on Linux Ubuntu

Posted by on Friday, September 3, 2010 In : Ubuntu 
There is a free and open source software for this job called Melt Diff Viewer

Meld is a tool which allows the user to see the changes in, and merge between, either two files, two directories, or two files with a common ancestor.

You can install it the details and screen shots given below..

1. Go to Ubuntu Software Center


2. select "Get Software"


3. Type "meld" on search text field and press enter Then click on "Install" button to install it on your PC


You can install Meld using terminal with the c...
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Ubuntu - Disable new Tabs ..

Posted by on Monday, January 25, 2010 In : Ubuntu 
if you want to disable new tabs on your Ubuntu (9.04 or higher)

    1.1 -goto Terminal or Run Application (Alt + F2)
    1.2 -type "gconf-editor" and press Enter
    1.3 -goto desktop => gnome(or something else) => file_views
    1.4 -then Un check the check box "tabs_enable"



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Ubuntu - Show Backup files

Posted by on Monday, January 25, 2010 In : Ubuntu 
if you want to display backup files on your computer you can do it with the gconf-editor,

    1.1 -goto Terminal or Run Application (Alt + F2)
    1.2 -type "gconf-editor" and press Enter
    1.3 -goto desktop => gnome(or something else) => file_views
    1.4 -then Check the check box "show_backup_files"



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Ubuntu - Show Hidden files always..

Posted by on Monday, January 25, 2010 In : Ubuntu 
if you want to display hidden files on your computer you can do it like this
   
    1.) if you want to display some hidden files in a folder
         check the checkbox "view ==> Show Hidden Files" (or Ctrl + H)
       
    2.) if you want to display your hidden files always you can do it with gconf-editor like this
        2.1 -goto Terminal or Run Application (Alt + F2)
        2.2 -type "gconf-editor" and press Enter
        2.3 -goto desktop => gnome(or something else) => file_views
        2.4...
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Add a new screen resolution with the terminal on Ubuntu 9.10

Posted by on Wednesday, December 23, 2009 In : Appearance 
Dear Friends, this article will teach you, how add new resolution value to your list of Resolutions

1. Goto Terminal
2. Give command :    xrandr   
then you will see a result like the screen shot given below..


3. then give the resolution with cvt command which you want to add like this,
command : cvt xxxx xxxx (eg in my case : cvt 1024 800) 
 then you will see a result like the screen shot given below...


4. then copy(shift+ctrl+c) the part "1024x800_60.00"   66.75  1024 1080 1184 1344  800 803...
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How Upgrade Ubuntu 9.04 to Ubuntu 9.10 via Update Manager

Posted by on Saturday, December 5, 2009 In : Linux 
If you plan to upgrade your Ubuntu 9.04 Operating system to new Ubuntu 9.10 you can do it via your "Update Manager"
like this.

1. goto System -> Administration -> update manager

then you will see a window like this.



Then click on "upgrade" button. Then you will see a window like this.



this will take some minutes according to speed of your computer.
At the end of this your  computer will restart and after that you can log with Ubuntu 9.10.
Thats all enjoy.
____________________________________________...
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