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GPS (+Heart Rate) trackers for Linux

August 11, 2010 in *buntu, Biking, Open source | 3 comments

I’ve been recently playing with GPS devices on Linux (for example i-gotU gt-120, and the linux software to download tracks). I’ve also been discussing gps+heart rate data storage options. The obvious choice is (ex-Nokia) Sports Tracker and it didn’t even cross my mind that you could do something like this with local Linux software.

But it’s useless to ever think like that – you’re surprised with the variety of apps that are available and developed for Linux.
I bumped to this blog post on Planet KDE: Sports Activity Tracking App: The Baby Needs a Name.

And it looks awesome.

Reading the comments I found some other apps that do more or less the same, and Google gave me even more. So here’s just a quick list of GPS / HRM apps you might want to have a look if they’d be useful for you:

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3-in-1 stylus – Now with reset tip!

August 8, 2010 in Computers | No comments

I ordered something from proporta.com webshop. They’re nice – they let me choose one item from some options for free. I chose a 3-in-1 metal stylus to use with my Openmoko Freerunner touchscreen smartphone.

They delivered fast, 3 days or so from UK to Finland.

Opening the package I had a closer look of the 3-in-1 stylus. It has

  • Stylus tip – of course
  • Ball point pen – smart & useful!
  • Reset tip

Having a reset tip in the stylus must tell something about the quality and reliability of the devices nowadays. And it’s true – every now and then you need to reset your Tomtom GPS navigator, your Nokia smartphone and so on. I do still hope that the gadgets would get a bit more reliable and not having to always carry something with you to reset the device.

However, thanks Proporta, you’re good!

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GoMobile Prepaid

August 6, 2010 in Misc, Openmoko | 3 comments

Ostin GoMobilen Prepaid GSM-liittymän käytettäväksi sijaintitiedon lähetykseen nettiin GPRS:n yli GPS-laitteesta (Openmoko Freerunner). Paikalliselta R-kioskilta, hinta 4 euroa, sisältää arvoa 5 euroa. Ei paha diili. Erityisenä houkuttimena oli 1e/Mt GPRS-hinnasto, muilla tahtoo olla 1.5e/Mt (tosin jälkeenpäin kuulin että Saunalahti tarjoaa Prepaidissaan GPRS-siirtoa 1.5e/Mt – ja maksimissaan 1.9e/vuorokausi!)

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How long has your system been up’n running?

July 29, 2010 in *buntu | 3 comments

I’m planning to wipe my Kubuntu desktop box root partition to re-install Kubuntu 10.04 LTS. I don’t have any major problems that would force me to reinstall the system, but I’ve installed many apps and packages from outside the repositories, manually and so on, so it’s quite hard to try to track down why something doesn’t work and then report the bug. And it’s nice to see the installer every now and then anyway, get a fresh start, tabula rasa, you know.

This is my setup:
File system. Size Used Free Use% Mount
/dev/md0 38G 26G 11G 71% /
/dev/md1 319G 276G 27G 92% /home

First I ran backups to an external 500GB USB disk:
time rsync -av --progress --stats /home/rhk /media/disk/2010-07-24-homebackup/

Then I decided to find out how long I’ve been running this system. A neat way to find it out is to find when the file system has been created:
rhk@rubert:~$ sudo tune2fs -l /dev/md0|grep created
Filesystem created: Wed Jul 9 17:35:59 2008
rhk@rubert:~$ sudo tune2fs -l /dev/md1|grep created
Filesystem created: Tue May 8 22:31:04 2007

So I’ve had my setup running since July 2008, from Ubuntu Hardy Heron 8.04, upgrading to 8.10, then to 9.04, 9.10 and to 10.04. My home partition has been there since May 2007 – that’s when I got this computer and first installed Ubuntu Feisty Fawn 7.04.

~daily usage, I think running two years in a row isn’t that bad, every now and then installing some off-the-repository packages. And as stated above, there’s still nothing that’d force me to reinstall it.

How long have you had your setup running? Are you always upgrading to the latest version or staying with LTS releases? Do you often install software outside the repositories?

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Install Ubuntu on USB hard drive

June 3, 2010 in *buntu | 9 comments

sudo qemu -hda /dev/sdc -cdrom kubuntu-10.04-desktop-i386.iso -boot order=d

That’s it.

(you can also try VirtualBox)

Except that I get an error: “Executing ‘grub-install /dev/sda’ failed. This is a fatal error.”

After this Ubiquity crashes.

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