Monday, April 7, 2014

How to draw a Ring or Annular disc in Inkscape

Inkscape is famous free software alternative for vector drawing. Its a powerful tool to draw any sort of vector files.

Drawing a circle or disc is very much easy in Inkscape. We can draw it using create circle tool by pressing F5 key. Use CTRL key while drawing circle for better result. But creating a Ring or Annular disc is little bit confusing to beginners.

1. Draw a circle using create circle tool.
2. Press CTRL + D  (which create a clone)
3. Pick another color for the clone.
4. while pressing CTRL + SHIFT reduce the size of clone!
5. Select both circles
6. From menu Path > Difference
7. Yes! Here is your disc!!!

Friday, October 22, 2010

Playing MP3, DivX in Ubuntu 10.10 - Command Guide - Perfect Desktop

The Following command will change your Ubuntu installed PC to a Complete Desktop Solution

Multimedia (For playing mp3, divx, mpeg, cd, dvd formats), Windows/Mac Applications (Safari,Epic etc. )
sudo apt-get install ubuntu-restricted-extras

Addtional Multimedia
sudo apt-get install vlc vlc-plugin-pulse
sudo apt-get install mplayer smplayer gnome-mplayer
sudo apt-get install audacious (Music Player)
sudo apt-get install audacity (Sound Editor)
sudo apt-get install dvdrip (Dvd Ripping)
sudo apt-get install k3b (DVD-CD Burn)

sudo apt-get install gimp
sudo apt-get install inkscape
sudo apt-get install fspot
sudo apt-get install scribus
sudo apt-get install dia
sudo apt-get install blender

sudo apt-get install chromium-browser
sudo apt-get install thunderbird
sudo apt-get install pidgin

sudo apt-get install transmission
sudo apt-get install ktorrent

Acrobat Reader
sudo apt-get install acroread


sudo apt-get install stellarium

Monday, June 7, 2010

Run MP3, DivX, DVD, MP4, AVI,FLV,3GP Non-Free Formats in FC 13 (Fedora 13)

Open terminal Applications->System Tools->Terminal
Chage to root user by typing su -
type the password for root user
the type the following line

rpm -Uvh


rpm -Uvh

Now goto System->Administration->Add/Remove software
type gstreamer in the search box
install gstreamer-ffmpeg

open any .avi or .mp4 file using totem movie player
just install the necessary packages from totem player (if needed)

Thats it....

Saturday, May 22, 2010

Install GIMP in Ubuntu 10.04 Lucid Lynx - Easy Online Method

How to install GIMP in Ubuntu 10.04 Lucid Lynx

Press ALT+F2
Type gnome-terminal in the textbox and press enter
Select Applications -> Accessories -> Terminal

Then type the following in the terminal. Also provide the password for the first user
(Instead of typing the following, just select the following text and press the centre button of the mouse in the terminal)

sudo sh -c echo ‘deb lucid main’ >> /etc/apt/sources.list

Add the GPG key using by typing the following

sudo apt-key adv –recv-keys –keyserver 405A15CB

then type

sudo apt-get update

and the final step. Just type the following in the terminal and relax for some time.

sudo apt-get install gimp

After the installation just run the gimp from accessories->graphics->GNU Image Manipulation Programe

Tuesday, May 11, 2010

Fedora 13 Features - Bridge from windows to GNU/Linux

Fedora 13 Will be released soon.

Features includes Built in EVDO/EDGE Support for Mobile Internet Technologies and Web cam support for dual mode cameras

List of other features
  1. Final pieces of Anaconda storage rewrite
  2. Packages like gutenprint-cups, hpijs, and pbm2l2030 should be installed on-demand when hardware requiring those drivers is detected
  3. More webcams supported out of the box with a special focus on dual mode cameras
  4. Use very small images (iso, floppy, disk) to bootstrap a machine that then contacts a remote server for boot information to continue the installation process
  5. This feature brings version 1.41.0 of Boost to Fedora 13, together with Boost.MPI. As a side effect, Boost will be built with CMake (instead of BJam)
  6. Dogtag Certificate System is an enterprise-class open source Certificate Authority (CA) supporting all aspects of certificate lifecycle management including key archival, OCSP and smartcard management
  7. GNOME Color Manager is a session framework that makes it easy to manage, install and generate color profiles in the GNOME desktop
  8. The gdb debugger has been extended so that it can report detailed information on the internals of the Python 2 and Python 3 runtimes
  9. Include Gnome 2.30
  10. Change ld default to --no-add-needed
  11. Add Community IntelliJ IDEA Community Edition packages and their dependencies into repositories
  12. Rebase to KDE 4.4 and offers new features such as PolicyKit 1 KAuth backend and improved PulseAudio integration
  13. This feature adds PolicyKit One support to Qt/KDE applications and the KDE desktop
  14. Fedora 13 features improved PulseAudio integration in KDE's Phonon and KMix
  15. Allow devices in KVM guest virtual machines to retain the same PCI address allocations as other devices are added or removed from the guest configuration
  16. Re-base to the NetBeans 6.8
  17. NetworkManager now supports easy-to-use Bluetooth Dial-Up Networking (DUN) support
  18. Control NetworkManager without a GUI
  19. The NetworkManager applet shows the current signal strength, cellular technology (GPRS/EDGE/UMTS/HSPA or 1x/EVDO etc), and roaming status while connected for cards where this functionality is supported
  20. Change the default NFS protocol to version 4
  21. Support for mounting NFS servers over IPv6
  22. Enhanced support for DisplayPort in X and kernel drivers for NVIDIA hardware
  23. A packaged version of python 3 that installs in parallel with the Python 2 stack
  24. Enhanced support for DisplayPort in X and kernel drivers for Radeon hardware
  25. Update to RPM 4.8
  26. This feature enables an entirely free software alternative to Skype using standard IETF protocols along with support for direct peer-to-peer secure communications such as possible with ZRTP capable softphones and without the need for a mitigating "service provider"
  27. Include SSSD the default set of base Fedora 13 packages and configure it through authconfig,and firstboot
  28. Allow automatic and manual disk partition backups
  29. Systemtap allows event tracing of programs when they have static probes inserted
  30. Provide the latest Sugar Learning Environment, as well as an enhanced activity set, which can be used as a choice in the login screen and possibly a live spin
  31. Add support for LVM (and various other improvements) to the udisks and gnome-disk-utility stack
  32. Move to the the lastest supported version of Upstart
  33. A new user account dialog tool to create new users and edit user-related information in single-user systems or small deployments.
  34. Enable kernel acceleration for kvm networking
  35. x2apic is an x86 feature that improves performance, especially on large systems. Virt x2apic is a port of this feature for KVM, improving guest performance, especially for guests with many virtual processors
  36. Expose multiple ports to the guest in the form of simple char devices for simple IO between the guest and host userspaces
  37. Enable guest virtual machines to share a physical network interface (NIC) with other guests and the host operating system
  38. Zarafa Outlook Sharing is a Microsoft Exchange replacement

Tuesday, April 20, 2010

retrieve or reset password of wordpress localhost installation using mysql

For localhost installation of wordpress the 'lost your password' option is not usefull.
here is the way to retrieve the lost password

in the terminal type the following
  1. "mysql -u root -p" (log in to MySQL)
  2. enter your mysql password
  3. "use (name-of-database)" (select WordPress database)
  4. "show tables;" (you're looking for a table name with "users" at the end)
  5. "SELECT ID, user_login, user_pass FROM (name-of-table-you-found)" (this gives you an idea of what's going on inside)
go to

type your password and findout the md5 key.
copy that key
  1. "UPDATE (name-of-table-you-found) SET user_pass="(MD5-string-you-made)" WHERE ID = (id#-of-account-you-are-reseting-password-for)" (actually changes the password)
  2. "SELECT ID, user_login, user_pass FROM (name-of-table-you-found)" (confirm that it was changed)
  3. (type Control-D, to exit mysql client)
go to wordpress login screen and login with your new password

Thursday, February 25, 2010

How to Decode or Decrypt the Encrypted PHP Footer in Wordpress

Lots of themes are available for wordpress for free. But some external themes have encrypted footer.php in the theme folder.
to decrypt these files we can use some online methods

  • open the encrypted file
  • the file is look like this
  • $o="QAEIOyhjbnE5DQBzDg0NOwDwJ2RrAA xmdHQ6JWRrYmZ1JTkBwwGjbmMBADolZW Z0YiUDMDh3b3cnbmlkAABrcmNiJy9TQkpXS0Z TQldGAAJTTycpJyAoZWhzc2hqKQJQIA8ELjwnOA MQBb8FtAXHYWhopOw=="));return;?>
  • copy the portion of the code in red from your footer.php
  • open the site
  • paste the encrypted code to the top textbox area and click the deocode button
  • That's it..
  • you can see the decoded php in the lower textarea. copy this code and paste it into your footer.php