i2c_hid & cryptdevice

you’ll find lots of people complaining about luks, cryptdevice, grub and a damn usb keyboard… now, the fun comes with new laptops like the one i’m playing with

first of all it has on board a cursed SoC called baytrail (renamed bayFAIL by most of the people on the internet) …. second, well…. whatever… you are on your own … as me, as always

the laptop is a Lenovo 100S, it comes for 199EUR off the shelf in any electronics store in Germany… and to install, go straight to a Debian Testing amd64+i386 DVD iso… to be dd-ed onto a usb stick. Don’t use a non-multiarch installer, the EFI will be ur enemy. It won’t boot 😉

so…. the solution for the damn keyboard… once installed… and once you logged in with an external usb keyboard is to modify the /etc/initramfs-tools/modules and add the following:

i2c_designware_platform
i2c_designware_core
i2c_algo_bit
i2c_hid

then just type:

update-initramfs -u

and reboot

…yes, you are welcome

Hadoop Summit 2013

k, k, k… after 2 days in Amsterdam, for the first european edition of the Hadoop Summit, I finally realised that most of the obstacles I encountered working with HDFS > HBase > Hive were due to the edge use case I was putting in practice

1) very few people use Hive over HBase

2) even less people use HBase’s Thrift interface (apart of Facebook)

they are all very powerfull instruments, but here I have to quote my current project manager… “u do not pay licenses, but u need the most expensive people on the market to have it running”

more details here… if u wanna try it out (pumping a MySQLdump into Hadoop) https://pypi.python.org/pypi/SqlHBase/0.1

Maildir server on OsX

hi nerds! anyone fancy of having his/her own portable Maildir backup? I’ve created a homebrew package for courier-imap (and courier-authlib). Would u mind testing it? I want your feedback! 🙂 https://github.com/zeph/homebrew

UPDATE: https://github.com/mxcl/homebrew/pull/16354

SECURITY CONCERN! :: edit the etc/imapd in order to bind only to 127.0.0.1

to start it:

sudo authdaemond start
sudo /usr/local/Cellar/courier-imap/4.11.0/libexec/imapd.rc start

and use ur normal sys credentials (and point ur config in the email client to “INBOX”)

p.s. u might need to created the Maildir folder in ur home dir … use:

bin/maildirmake

Why opensource?

Start from a specific situation: you are on a tight schedule, with pressure from management to approve or prove an issue on the software release being tested, and the counterpart R&D team blames you that the metrics are wrong. Actually, you check the application and they are right… looking into the source code u see the bug, u fix it, and within hours u are back on the main business, finalizing the testing activity. Now, what would have happened with a proprietary testing tool? You couldn’t have checked the code. You would have had to argue with the ur R&D team about the existence of the issue, and with the vendor on the other side. Project would have been delayed or QA totally skipped, with all the risk it takes having a potentially broken release in production. Is it worth the money of the proprietary tool? I preferred to convince my management to spend in R&D resources in my team, and get a solution we could trust. It has proven to be a good choice

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