Traffic Pi

Link

Using my Raspberry Pi, Piglow and the traffic API feeds I have created a script to give me a visual representation of the journey time to work. This gives me an idea of the traffic before I leave the house in the morning, or so that when I’m working at home I can look at it and see how glad I am that I’m not sitting in traffic on the way to work :)

https://github.com/rickymoorhouse/trafficpi

Review of Elasticsearch Server 2nd Edition

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Elasticsearch Server Second Edition is a good book to read if you’re getting started with Elasticsearch or considering using it. It goes through all the main areas of getting your data indexed and then searching and analysing it.

The book is well written and easy to read through and serves well as a reference guide to refer back to later. It has helped me get an overview of some of the features of Elasticseach that I’ve not yet used, some of which I hope to explore in further depth following on from the examples in the book. All of the chapters in the book include useful references to sources for further information on the topic covered and for more in-depth coverage the authors recommend going on to read their other book, Mastering Elasticsearch which I hope to read as well as a follow on.

Recovering encrypted filesystems

Standard
  1. Boot from Live CD / USB
  2. Decrypt the filesystem
    cryptsetup luksOpen /dev/sda5 *hostname*
    
  3. Mount filesystems
    mount /dev/dm-2 /mnt
    mount /dev/dm-3 /mnt/home
    mount /dev/sda1 /mnt/boot
    mount --bind /dev /mnt/dev
    mount --bind /sys /mnt/sys
    mount --bind /proc /mnt/proc
    
  4. Enter chroot
    chroot /mnt

/etc/crypttab should have: sda5crypt UUID=*sda5uuid*

Dawlish

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Camping in Cornwall

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