ADB server didn’t ACK

adb server is out of date. killing…
cannot bind ‘tcp:5037’
ADB server didn’t ACK
* failed to start daemon *
error:
solved
=======================
sudo ln -s ~/Android/Sdk/platform-tools/adb /usr/bin/adb
sudo nano /etc/environment

paste di baris akhir =
PATH=":/usr/bin/adb"