Paolo Redaelli personal blog

Category: Documentations

Usb flash drive and wear leveling

From: linux – How to correctly partition usb flash drive and which filesystem to choose considering wear leveling? – Super User an useful little change to fstab for usb sticks or SD attached to your ARM boards, like Raspberries or Inforce 6410: Also, in your fstab, be sure to use the mount option “noatime” to…

Forwarding audio elsewhere on Linux

These days I’ve been attending to an online course that require me not to do anything else in the user session beside watching and listening. Actually I’ve been able to pass two checks while I’ve been hacking on another machine, just listening and watching now and then. But it’s boring to plug headphones into the…

Link

I want to dive a little into WordPress codebase but modern PHP is quite a different language from what I’ve learned – albeit a little – way ago, so long ago that WordPress didn’t even existed then. Beside reading the obvious official documentation, I’ve discovered that the almighty O’Really seems not to have a recent book on PHP, or a book about recent PHP either. As books from Packt publishing quite often turns out to be “quite shallow”, I’ve been looking for info the good old way, namely IRC channels. They told me these little gems:

Well, they really look the right documentation for me.

Link

Building a Ceph Cluster on Raspberry Pi – Bryan Apperson

As the author clearly stated in a comment, this is more of a proof-of-concept for learning ceph, not for a real deploy as it’s not meant to be cheaper per GB, but cheaper for initial cost: a “3 figure cost of entry way to begin learning ceph”.

Even today  (year 2017) an x86 based solution will have a minimum cost much higher while giving higher performances (129€ just for a single CPU board plus case without memory and storage)

Let’s chat!

I’ve been lingering on OTFC #debian-it IRC channel and the almighty Elena of Valhalla made me discover the importance of maintain control over our communications that nowasdays are oftn channeled into various chat, social network and the like. So I’ve read her article «Modern XMPP Server» and Enrico Zini’s «Modern and secure instant messaging» discovering…