Here is the error message generated by KStars:

2017-07-30T15:03:35: Handshake failed. 
2017-07-30T15:03:35: Failed to communicate with the mount, check the logs for details. 
2017-07-30T15:03:35: Write Error: Broken pipe 
2017-07-30T15:03:35: Read Error: Connection reset by peer 
2017-07-30T15:03:35: Initializing Celestron using Kx CMD... 
2017-07-30T15:03:35: Connection successful, attempting handshake... 
2017-07-30T15:03:35: Connecting to 1.2.3.4@2000 ... 

I tried connecting to the mount by using "SkyQLinkPC" and "NexRemore" in Windows OS and everything works fine.

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