168 lines
5.4 KiB
Markdown
168 lines
5.4 KiB
Markdown
permalink: "/{{ year }}/{{ month }}/{{ day }}/raspberry-pia-guick-guide-to-a-successfull-start"
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title: "Raspberry Pi - A guick guide to a successful start"
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published_date: "2012-07-05 00:27:00 +0200"
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layout: post.liquid
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data:
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route: blog
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---
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Today my [Raspberry Pi][pi] arrived and I quickly got it up and running.
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Want to see some pictures?
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[](http://yfrog.com/oekjfbhj)
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[](http://yfrog.com/ocb24hfej)
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Now that you've seen one in action, here is some info how I successfully setup
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the Raspberry Pi.
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> This won't be a full howto. This won't be a complete tutorial. It's more a
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> collection of the things I done. If you follow any of the commands here I'm
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> not responsible. It might kill your kitten, destroy your house and start the
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> mayan apocalypse. Use it at your own risk. Have Fun! :) _(Shamelessly taken
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> from the description of
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> [VLC Beta](https://play.google.com/store/apps/details?id=org.videolan.vlc.betav7neon))_
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## Prepare for boot
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Before I could use my Raspberry I had to prepare my tools:
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* Get a mini-usb cable (the one from my smartphone works perfect)
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* Get a HDMI cable (got one for ~6€ at Amazon)
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* Get a SD Card (again: Amazon, a Transcend 16 GB thing)
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* A USB keyboard (and mouse). Got that.
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* A LAN cable, I have several.
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Next I needed an image to boot. I use the [archlinux image][alarm]. Get it from
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the [download section][downloads].
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Copying the image to the SD Card was easy:
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dd bs=1M if=archlinuxarm-29-04-2012.img of=/dev/mmcblk0
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The image is prepared for a 2 GB card, so I had to expand the partitions. I
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failed with `parted`, re-did the `dd`-commando and used gParted instead (see
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[the wiki][resize] for instructions)
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Putting the SD Card in the slot, adding the cables and it booted up! Yey!
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I even got video output, atleast on my TV.
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Not so on the other display. It always switched to standby without any chance
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to get an output.
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So again back to the laptop and edit `/boot/config.txt` (Thanks,
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[@bl2nk](http://twitter.com/bl2nk), [more info about the file][config.txt]):
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# Force HDMI (including audio output)
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hdmi_drive=2
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# Use "safe mode" settings to try to boot with maximum hdmi compatibility.
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# This does:
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# hdmi_force_hotplug=1
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# config_hdmi_boost=4
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# hdmi_group=1
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# hdmi_mode=1
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# disable_overscan=0
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hdmi_safe=1
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Self-explaining, right?
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Ok, so it boots up again, now with video output on the display here.
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To bad there's no LAN port in my room.
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## Network forwarding
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This has nothing to do with the Raspberry Pi itself but with simple network forwarding.
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I connected the Pi via LAN to my laptop which got it's internet connection via WLAN.
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On my laptop I did these things to forward:
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ip addr add 192.168.10.1/24 dev eth0
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sysctl net.ipv4.ip_forward=1
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iptables -A FORWARD -o wlan0 -i eth0 -s 192.168.1.0/24 -m conntrack --ctstate NEW -j ACCEPT
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iptables -A FORWARD -m conntrack --ctstate ESTABLISHED,RELATED -j ACCEPT
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iptables -t nat -A POSTROUTING -o wlan0 -j MASQUERADE
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On the Pi:
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ip link set eth0 up
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ip addr add 192.168.10.24/24 dev eth0
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ip route add default via 192.168.10.1
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echo "nameserver 8.8.8.8" > /etc/resolv.conf'
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Now it works like a charm (I added this config to `rc.conf` so it works after boot).
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## More installing on the Pi
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All the previous steps were done as the root user. But for daily use we want an own user:
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adduser
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(See the [arch wiki](https://wiki.archlinux.org/index.php/Beginners%27_Guide#Adding_a_User) for more info on that)
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Now switch the user (or just re-login):
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su username
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### Audio
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To enable sound via alsa I installed the required libs and load the module:
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pacman -S alsa-lib alsa-utils
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modprobe snd-bcm2835
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Then added `snd-bcm2835` to the MODULES section in `rc.conf` so it gets loaded after boot.
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### GUI / X-Server
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I know, I know: Hardcore Linux users don't need it, but it gets quite handy, so
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I installed a GUI environment:
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# X server and i3 window manager
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pacman -S xorg-server xorg-xinit xorg-server-utils xf86-video-fbdev i3-wm i3lock i3status
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echo 'exec i3' > ~/.xinitrc
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# Terminal emulator
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pacman -S rxvt-unicode urxvt-url-select
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# Oh yeah, some fonts would be great
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pacman -S ttf-bitstream-vera ttf-dejavu ttf-freefont ttf-liberation terminus-font
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Everything in place, let's start X:
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startx
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I won't show my basic i3 and i3status configuration here. [Feel free to ask][twitter]
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if you've got any questions.
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What's needed now? Right, everything for daily usage:
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pacman -S git mplayer tree scrot feh
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Ok, what's left? A [browser][luakit].
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pacman -S luakit
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That's it for now. The basic setup of my Pi is done.
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shutdown -h now
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## What's next?
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Oh, that's easy.
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* I need to check out [rpi-update][], for updating the firmware.
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* Get video playing done right. I did not fully test it, but the video in the
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second image above was quiet slow.
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* I want [xbmc][] to run on my Raspberry Pi, because that's what I bought it for:
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it should become my media computer in the living room.
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[pi]: http://www.raspberrypi.org/
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[downloads]: http://www.raspberrypi.org/download
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[luakit]: http://mason-larobina.github.com/luakit/
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[rpi-update]: https://github.com/Hexxeh/rpi-update
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[alarm]: http://archlinuxarm.org/
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[resize]: http://elinux.org/RPi_Resize_Flash_Partitions
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[config.txt]: http://elinux.org/RPi_config.txt
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[twitter]: http://twitter.com/badboy_
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[xbmc]: http://xbmc.org/
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