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raspberry-pi [2013/04/12 02:16] dblume
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 +====== Raspberry Pi ======
  
 +From [[http://www.raspberrypi.org/phpBB3/viewtopic.php?p=137164|this thread on SD cards]], the comment from by carlosfm on Mon Aug 27, 2012 9:46 pm suggests that the 16GB Sandisk Extreme Class 10 45MB/s working fine on my Pi might be a good card to use.
 +
 +Partway down the page, it says there's a debian package to download:
 +
 +<code>
 +$ wget https://dl.dropbox.com/u/15710882/iozone3_397-2_armhf.deb
 +$ sudo dpkg -i iozone3_397-2_armhf.deb
 +$ iozone -e -I -a -s 50M -r 4k -r 512k -r 16M -i 0 -i 1 -i 2 | tee iozone_out.txt
 +</code>
 +
 +> I was reading the manual for iozone and it said to make sure, for accurate results, to make the -s switch size be TWICE your ram size. My Pi has 512mb so figured minus the 16mb gpu share I'd make it 1000M (for 1gb test file)
 +
 +Still, there's more to learn.  Something about:
 +
 +<code>
 +just apt-get install bonnie++ 
 +</code>
 +
 +===== Debian OS Installation Essentials =====
 +
 +([[http://blog.philippklaus.de/2012/05/raspberry-pi/|Source]])
 +
 +  * changing the password: ''passwd''
 +  * updating: ''sudo apt-get update && sudo apt-get upgrade''
 +  * installing screen: ''sudo apt-get install screen''
 +  * ''sudo apt-get install alsa-utils; sudo modprobe snd_bcm2835; sudo amixer cset numid=3 1'' to be able to listen to audio via the headphone jack. See [[http://www.raspberrypi.org/phpBB3/viewtopic.php?f=6&t=5490|here]].
 +  * Playing m3u playlists: ''mpg123 -@ http://streams.br-online.de/bayern3_2.m3u''
 +
 +===== Logs =====
 +
 +When there are problems, check for logs in ''/var/log/syslog'' or ''/var/log/messages''.
 +
 +===== Keyboard Repeat Problem =====
 +
 +[[http://elinux.org/R-Pi_Troubleshooting#R-Pi_does_not_respond_to_key_presses_.2F_Keyboard_randomly_repeats_key_presses|They claim it's often a power problem.]]
 +
 +> Forum user MrEngman reported some keyboard repeats and wireless hangs until upgrading to the debian6-19-04-2012 kernel, which he reports stable with no problems even with a low TP1-TP2 voltage of 4.65 - 4.68 volts.
 +
 +To see which version you have:
 +<code>
 +$ cat /proc/version
 +</code>
 +
 +Try plugging the keyboard and mouse directly into the Raspberry Pi, and see what happens.
raspberry-pi.txt · Last modified: 2023/04/12 20:44 by 127.0.0.1