ps aux | grep adb
user          46803   0.0  0.0  2442020    816 s023  S+    5:07AM   0:00.00 grep adb
user          46636   0.0  0.0   651740   3084   ??  S     5:07AM   0:00.02 adb -P 5037 fork-server server

adb kill-server
adb start-server

# zypper -v rm android-tools

# find /home -iname "*adb"|grep -i android

/home/developer/Android/Sdk/platform-tools/adb

ln -s /home/developer/Android/Sdk/platform-tools/adb  /usr/bin/adb

# adb start-server