In platform-tools folder "adb" is available then follow these steps:
Set android vars
Initially go to your home and press Ctrl + H it will show you hidden files now look for .bashrc file, open it with any text editor then place the lines below at the end of file:
export ANDROID_HOME=/myPathSdk/android-sdk-linux export PATH=$PATH:$ANDROID_HOME/tools:$ANDROID_HOME/platform-tools
Now Reboot the system
It Works!