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One Last Slice

Ken Marks wraps up his series on working with a Raspberry Pi. Ken has done such a fantastic job taking us through his process of using a Raspberry Pi and writing code on that Pi in a real-life scenario at home. In this final installment, Ken establishes a workflow for sending an accelerometer text message using SendMail. Also, this month, Joe Clermont contributed his article, “*Learning How to Learn.*” In an industry where there...

rabexc.org rabexc.org

Replacing and resizing a linux software raid, live

Let me describe the scenario: You have a linux software raid (raid5, in my case, created with mdadm). On top of it, you have a few LVM volumes, and LUKS encrypted partitions. You literally set this up 10 years ago - 4 disks 2 Tb each. It has been running strong for the last 10 years, with the occasional disk replaced. You just bought new 8Tb disks. And now, you want to replace the old disks for the new ones, increase the size of the...