@Giuseppe-Battista said in Letsencrypt on Omega2: @Chris-Stratton said in Letsencrypt on Omega2: No, you can, there or anywhere else, if you control the system that needs to do the accepting. Yes but still I have the problem because I'm not in able to find openssl command. On which system? And for what exact step are you trying to use that? Technically, you can generate keys off device and copy them over, if you trust they won't be intercepted in flight.