root@hi3798mv100:~# adb version
Android Debug Bridge version 1.0.39
Version 1:8.1.0+r23-5ubuntu2
Installed as /usr/lib/android-sdk/platform-tools/adb
root@hi3798mv100:~#
root@hi3798mv100:~# adb connect 192.168.1.200:5555
daemon not running; starting now at tcp:5037
ADB server didn't ACK
Full server startup log: /tmp/adb.0.log
Server had pid: 27929
--- adb starting (pid 27929) ---
adb I 11-16 15:44:11 27929 27929 main.cpp:57] Android Debug Bridge version 1.0.39
adb I 11-16 15:44:11 27929 27929 main.cpp:57] Version 1:8.1.0+r23-5ubuntu2
adb I 11-16 15:44:11 27929 27929 main.cpp:57] Installed as /usr/lib/android-sdk/platform-tools/adb
adb I 11-16 15:44:11 27929 27929 main.cpp:57]
adb I 11-16 15:44:11 27929 27929 adb_auth_host.cpp:416] adb_auth_init...
adb I 11-16 15:44:11 27929 27929 adb_auth_host.cpp:262] User key '/root/.android/adbkey' does not exist...
adb I 11-16 15:44:11 27929 27929 adb_auth_host.cpp:109] generate_key(/root/.android/adbkey)...
failed to start daemon
error: cannot connect to daemon
.android文件夹不能自动生成adbkey和其他文件，
