屏幕录像软件---伊斯坦布尔
Screen Recorder For Linux – Istanbul
Istanbul is a desktop session recorder for the Free Desktop. It records your session into an Ogg Theora video file. To start the recording, you click on its icon in the notification area. To stop you click its icon again. It works on GNOME, KDE, XFCE and others. It named Istanbul because, Istanbul as a tribute to Liverpool’s 5th European Cup triumph in Istanbul on May 25th 2005.
To install Istanbul,
# yum install istanbul -y
After Installation, go to Applications –> Sound & Video –> Istanbul Desktop Session Recorder
Now you will see a Red Icon in Notification area. To record screen, click on it.

To stop it, again click on same icon. This will represent Save Screencast screen to save recorded session.

Select location, where you want to store video and click Save.