Quick Launcher For Linux(Gnome Do)

Step1: Download rpm package of gnome-do at http://pkgs.org/download/gnome-do
Step2: install rpm package with  dependencies using this command
rpm -ivh gnome-do-0.8.5-1-i686.rpm(Package)
Step3: After installation create hot key using keyboard shortcut.
system settings>Keyboard>Shortcuts>Custom Shortcuts
Now add new shortcut using + and give Name and Command then give short key just like shift+alt+g
Step4: now close window and use shortcut(shift+alt+g) for gnome do.
Step5: Now type application which want to run just like firefox type firefox.

Note: You can change settings using preferences of gnome-do

Guake terminal

Step 1:- go to link at http://guake.org/downloads and download guake tar.gz latest version.
Step 2: install this tar file using these commands
1.Extract tar file of guke using extract manager or using this command
#tar -xvpf guake.tar.gz
2.change directory using this commend
cd guake
3. ./configure
4. make
5. make install
step 3:After installation go to terminal and run this command for temporary run
#guake
or
           For permament run entry into startup programmes
step 4:Then use F12 for run guake terminal.

How to Burn ISO file(Image of CD/DVD) in RHEL6?

When we use windows operating system we need to image burner software for burn the image but in linux world this work done by some simple commends.
<h3>Steps for burn iso(image of cd/dvd):</h3>
1. First of all image file of CD/DVD copy in any directory,For make simple we can create a directory on root(/: This is sign of root) and copy iso file in this directory.
               
                       #mkdir /Imagefile
                       #cp [source] [destination] ---> #cp /temp/rehl6.iso /Imagefile
2.Now we find the name and address of DVD/CD
                       #cdrecord -scanbus
          This commend use to know DVD/CD name and address for burn the image on this DVD/CD.
          Output:

Cdrecord-Clone 2.01a34 (i686-pc-linux-gnu)
Copyright (C) 1995-2004 Jrg Schilling
scsidev: 'ATA:'
devname: 'ATA'
scsibus: -1 target: -1 lun: -1
Warning: Using badly designed ATAPI via /dev/hd*
interface.
Linux sg driver version: 3.5.27
Using libscg version 'schily-0.8'.
scsibus1:
1,0,0 100) 'SONY' 'CD-Writer' '1.0g'
1,1,0 101) *
1,2,0 102) *
1,3,0 103) *
1,4,0 104) *
1,5,0 105) *
1,6,0 106) *
1.7.0 107) *

           My device name is 1,0,0 

3. Now Burn the image(ISO file)

           # cdrecord -v -dao dev=1,0,0 file.iso 

 we can give speed with this commend this speed tell writing speed of viewer

            # cdrecord -v -dao dev=1,0,0 speed=8 file.iso