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• Setting up a site-to-site VPN with Racoon

  # Server (WAN IP 100.100.100.100, VPN IP 10.9.255.1)

• Hosting your own OpenStreetMap tile server with imposm3

  I’ve grown quite fond of the OpenStreetMap project, especially the self-hosting solution that comes with it.Of course, I would need an entire server farm to ...

• Free SSL/TLS certificates with Let's Encrypt

  We’ve all been there: buying self-signed certificates is a bit annoying, especially when it comes to wildcards.A new project has been around for a couple of ...

• NAXSI, a firewall for NGINX

  NAXSI is an open-source WAF for NGINX that uses whitelists to determine whether traffic should be authorized.Don’t think of it as some simple, ready-to-use I...

• PostgreSQL replication (part 1/2)

  Here’s a quick manual on how to compile, install and set up PostgreSQL 9.5.I will also explain how to set up asynchronous replication between two nodes.

• Microsoft and e-mail deliverability

  Well, it’s been a while since my last rant at Microsoft, but this time just takes the cake.Here’s what’s happening now: both my mail exchangers have been bla...