In a previous episode I showed how to use only a static Nginx configuration to
display the client IP
address. This is fun,
but I thought things could get funnier and compatible with more web servers,
while still not using a big dynamic language like PHP or Python.
Although as …
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Because of some automated cronjob, I need a script to get the public IP address
associated to the host's Internet connection. There are a ton of websites that
show you your public IP address, but it's not always easy to parse HTML with a
simple shell script, and I do …
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The other day at ${DAYJOB}, I needed to debug some firewall rules. When the
protocols are quite simple to configure (e.g. HTTP/S), running the client is
also simple (e.g. curl, wget). When things are more complicated to set up (e.g.
VPN), sometimes it's faster to just …
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