Creating a Vagrant Debian base box with more disk space

tuxRecently, I decided to overhaul the email server I had been running for several years now. I had two main requirements in mind:

  • isolate the installation in such a way that I can easily move it from one machine to another one, when I need it (for instance, when my hosting service provider delivers a new, less expensive service)
  • use ISPConfig

For isolation, using Docker would have been a nice solution for me, as I already have moved most of the services I run on my server to Docker containers. But the "standard" paradigm for docker is one process per container. I do not like to use tools for something else than what there have been designed for (do you know the quotation: "if all you have is a hammer, everything looks like a nail" ? Smile). Of course, I could try to use Supervisor, or re-use one of the existing dockerizations of ISPConfig. But the first solution would require me to spend time in understanding how ISPConfig works. And, for the second solution, I'm not sure about the quality of existing containers.

Exporting emails from an IMAP server

tuxI run my own IMAP and SMTP servers, for personal and family use. After several years, I've got quite a large volume of emails. I'd like to export the oldest ones, while keeping the ability to read them. After some time spent on the web, I found the following solution, that seems to fulfill my needs:

ESP8266 - End to end communication

ESP01I just ended writing a code sample showing one way to send a few bytes from an ESP8266 to a remote host, using Espressif RTOS. These few bytes could be a value generated by a sensor driven by the ESP8266, for instance. This code, with the associated server, can be found here.

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