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After installing the Raspbian with NOOBS I was able to connect once to my Raspberry Pi model B3+. Now I am unable to connect again on port 22 with the following message:

ssh: connect to host 192.168.178.125 port 22: Connection refused

Anyone knows why?

I am using MAC as a client.

  • Did you enable SSH and if you did: how exactly? – Dirk Sep 1 '18 at 23:19
  • I enabled SSH by GUI. I found something: I need to give a static IP address config to Raspbian. – Robert-Dan Sep 1 '18 at 23:22
  • Static address is not really necessary. Have you tried using the hostname of the Pi? ssh pi@raspberrypi.local (of course replacing 'raspberrypi' with the name of your Pi) – Dirk Sep 1 '18 at 23:27
  • I added a static ip and now it is visible on the network. (sudo ip addr add 192.168.178.125/32 dev wlan0) Yes it works also with the hostname now. Before was not working. I found the answer here: stackoverflow.com/questions/17789947/raspberry-pi-no-ip-address – Robert-Dan Sep 1 '18 at 23:36
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    @JohniDevo instead of posting your solution in the question can you please post it as a separate answer and mark it as correct. – Darth Vader Sep 5 '18 at 19:37
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The problem was with the house router, i need to allow communication between devices on Wi-fi, now works smoothly fine.

robert-dan@Wolfram-mbp ~> ping 192.168.178.125
PING 192.168.178.125 (192.168.178.125): 56 data bytes
64 bytes from 192.168.178.125: icmp_seq=0 ttl=64 time=1.898 ms
64 bytes from 192.168.178.125: icmp_seq=1 ttl=64 time=2.585 ms
64 bytes from 192.168.178.125: icmp_seq=2 ttl=64 time=1.894 ms
64 bytes from 192.168.178.125: icmp_seq=3 ttl=64 time=3.381 ms
64 bytes from 192.168.178.125: icmp_seq=4 ttl=64 time=2.719 ms
64 bytes from 192.168.178.125: icmp_seq=5 ttl=64 time=2.166 ms

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