Threema Safe

Threema offers to back up the keys, contacts, groups and settings. Per default this backup is stored (encrypted !) on Threema's servers.

But there's a way to store the backup on an own nextcloud instance ! I found instructions on how to set it up.

The biggest catch is to click on …

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Generating certificates with let's encrypt

I've started using the new CA named let's encryptduring their closed beta back in november.

At that time, I've been using their own (python-based) client to generate test certificates on my laptop (I've never planned to run the client on my servers as I don't really like having such …

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Running tor on a raspberry pi

Came accross this article explaining how to setup and run a Tor relay node on a raspberry pi.

Actually, the node is up in running in few minutes and runs with less then 5% CPU and approx 10% memory.

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One more deception from Ubuntu

For my desktop, therre's some time I've left Ubuntu behind. I still use it on my servers, but I'm getting more and more deceived by those guys...

Last example : John the ripper not working.

The bug was filed 2012-10-26 and as of today is still not fixed - though I must …

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