get the android default debug keystore
eclipse->windows->preferences->->Android ->Build
copy the default debug keystore value
Now go to the terminal
-- cd /
-- cd /usr/lib/jvm/java-6-openjdk/bin
-- keytool -list -alias androiddebugkey \-keystore /paste debug keystore which has been copied
after doing this you will get result like below :
androiddebugkey, 11 Jun, 2012, PrivateKeyEntry,
Certificate fingerprint (MD5): 65:13:5E:81:B6:F4:99:12:8C:0C:4A:DF:60:3B:48:B8