I was working on key stores and found a bit tricky to locate the debug.keystore on ubuntu system so thought to share the details with you. Follow the steps in order to locate the debug.keystore on ...

keytool -genkey -v -keystore my-release-key.jks -alias alias_name -keyalg RSA -keysize 2048 -validity 10000 # to copy unsigned apk here to this directory rename ...