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Old 13-07-2018, 10:07 AM   #1
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Help Needed: Linux task urgent

Hi,

Need to download some SSL certificates for my work. Don't have linux as overseas with notebook now. Or will have to run out to buy a Raspberry

https://www.raspberrypi.org/forums/v...c.php?t=140245

Using Lets Encrypt to download the .PEM file. Will to pay for your time.

PM me for the domain.
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Old 13-07-2018, 03:49 PM   #2
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Use DO or AWS or Azure
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Old 13-07-2018, 10:07 PM   #3
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Use DO or AWS or Azure
Thanks. I have DO, will try it. Trying to connect to a MQTT broker via SSL. WTF, very difficult ....
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Old 13-07-2018, 11:41 PM   #4
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Donít quite get what exactly is ur problem. You need a Linux environment just to connect to a MQTT via SSL? If so, you can just install a Linux VM right? You a try using

openssl s_client -connect host:port to find out which CA certificate the serverís certificate is signed against

That is if your problem is you have a problem establishing a SSL connection to the server, and not that you need to setup a Letís Encrypted SSL protected service yourself.

Last edited by davidktw; 13-07-2018 at 11:44 PM..
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Old 17-07-2018, 11:45 AM   #5
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Found the problem, the server certificate has expired. My software cannot connect.
Now switched using Python + Paho with cert set to none. Everything working now.

Thanks all who responded.
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Old 17-07-2018, 08:20 PM   #6
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Found the problem, the server certificate has expired. My software cannot connect.
Now switched using Python + Paho with cert set to none. Everything working now.

Thanks all who responded.
If it is your own services on both end, you can simply do your own self signed certificate, or self established CA circle. There is no additionally significant security for using public CA, if your nodes are provisioned by you
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Old 18-07-2018, 02:26 PM   #7
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No. Its the client server. I do not have control. Their certificates had expired. Python is working well now and I am getting the subscribed payload. Thanks.
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