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Question

Generate RSA Keys in Ubuntu

Posted November 8, 2021 383 views
UbuntuSecurityVPNUbuntu 20.04
How to Set Up an IKEv2 VPN Server with StrongSwan on Ubuntu 20.04

While generating rsa keys I am getting this error can you please help?

ubuntu@ocfreevm:~$
ubuntu@ocfreevm:~$ pki –gen –type rsa –size 4096 –outform pem > ~/pki/private/ca-key.pem
TPM 2.0 - could not load “libtss2-tcti-tabrmd.so.0”
plugin ‘tpm’: failed to load - tpmplugincreate returned NULL
ubuntu@ocfreevm:~$

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prashantpawar723
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prashantpawar723

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3 answers
mattvenn November 19, 2021

install this too: libtss2-tcti-tabrmd-dev

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KFSys November 9, 2021

Hi @prashantpawar723,

This is really weird. Is this a new droplet or some changes has been made to it?

Additionally, did you make sure to install the following prior to trying the command:

sudo apt install strongswan strongswan-pki libcharon-extra-plugins libcharon-extauth-plugins libstrongswan-extra-plugins
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superkoderAngler November 18, 2021

Same problem here. Brand new droplet (Basic, Amsterdam 3)

Was following these instructions

How to Set Up an IKEv2 VPN Server with StrongSwan on Ubuntu 20.04
by Jamon Camisso
A virtual private network, or VPN, allows you to securely encrypt traffic as it travels through untrusted networks, such as those at the coffee shop, a conference, or an airport. In this tutorial, you'll set up an IKEv2 VPN server using [StrongSwan](https://www.strongswan.org/) on an Ubuntu 20.04 server and learn how to connect to it with Windows, macOS, Ubuntu, iOS, and Android clients.
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