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I'm using an Odroid (rooted) device running Android 5.1.1 on a local network and I'd like to be able to control it via adb.

Currently I'm running this at startup:

setprop service.adb.tcp.port 5555
stop adbd
start adbd

This works initially, but I've noticed if works with one connection at a time. If a connection is left open, a second connection won't work. Even though adb says I'm connected, whenever I try to run any command I get an error:

> adb connect 192.168.0.33
connected to 192.168.0.33:5555
> adb shell date
error: device offline

What's the easiest to ensure adbd is accessible, even if a connection is left open/hanging by accident ?

I'm thinking about running a script that periodically restarts adbd but having a short interval will be very frustrating as I'd need to constantly reconnect. Is there a way to check if a connection is open, but hanging ? (no data has been received in a while ?)

Alternatively, would it be possible to close the previous connection if a new one is made automatically ?

How would one keep an odroid connectible via adb constantly (regardless of open connections ?)

  • No expert in adb, but I think simultaneous connections are disabled. – Dan Brown Oct 5 '16 at 14:30
  • @DanBrown that's the issue I'm trying to deal with: I'd like to kick out the previous user if it's hogging the connection or something similar – George Profenza Oct 6 '16 at 13:25
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    try this script gist.github.com/christopherperry/3208109 – Dan Brown Oct 6 '16 at 13:48
  • That's a handy script, however it deals with connecting to multiple android devices from one computer and running commands on each. My situation is sort of the reverse: I have multiple computers that may want to connect to the same android device, but I need a way to ensure the connection doesn't get blocked if one of these computers forgets to disconnect – George Profenza Oct 6 '16 at 17:36
  • Why not have one master computer, that you can teamviewer to do so? Either that, or write a script that executes adb close-server whenever you adb start somewhere else. – Dan Brown Oct 6 '16 at 17:39

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