1. Download eclipse, jre, cdt
1.1 Download Eclipse here: http://www.eclipse.org/
1.2 Download JRE here: http://www.oracle.com/technetwork/java/javase/downloads/jre7-downloads-1880261.html
I got the jre-7u10-linux-i586.tar.gz
1.3 Download CDT here: http://www.eclipse.org/cdt/
2. Extract all compressed files downloaded before
3. Move directory JRE to the directory of Eclipse
4. Move directory plugin/ and features/ in CDT to the directory of Eclipse
5.Double click eclipse and we can start it.