Difference between revisions of "Raspberry Pi"

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(redirect to ARM category as it provides pointers to ALARM project)
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{{Note|Support for the ARM architecture is provided on http://archlinuxarm.org/ }}
#REDIRECT: [[:Category:ARM architecture]]
How mature is Raspberry Pi (RPI). A brief overview.
==What is Raspberry Pi==
It is a minimalist computer built for ARMv6 architecture. More information about this project can be found on http://www.raspberrypi.org/ and technical specification to: http://cz.farnell.com/raspberry-pi?ref=lookahead
==Installing Arch Linux ARM==
In this manual will describe only essential moments for different RPI. Other procedures are the same instructions for ArchLinux. The only exception is the basic initialization and installation of equipment. It is further assumed that the configuration is performed on a machine running Archlinux.
==Backup Cards==
If you own an official card provided with your RPI, for example http://cz.farnell.com/samsung/raspberry-pi-prog-4gb-sdcard/memory-sdcard-raspberry-pi-4gb/dp/2113756 recommend before installing Arch ARM Linux to backup using {{ic | dd}}. The path must be specified to the device {{ic | / dev / sdX}} not for another partition / dev/sdc1
# Dd if = / path / to / sdX of = / home / $ USER / backup_RPi.img
{{Note | There is a bit copy of the card. The resulting file is the same size as your card.}}
{{Note | card may not be installed.}}
{{Warning | Bad enter if and of prarmetru can damage your data.}}
Installation is similar to backing card. Download the image file from Arch Linux ARM http://archlinuxarm.org/platforms/armv6/raspberry-pi
Image copy using {{ic | dd}}.
# Dd bs = 1M if = / path / to / archlinux.img of = / dev / sdX
After inserting the card into the slot on the PPi should boot the base system Arch Linux ARM.
The downloaded image file is approximately 2 gigabytes of which is / boot and 94 megabytes / 1.8 gigabytes If you used a larger card to 2GB, so I recommend the rest of the card to connect as / home (or / usr ...). Clearance must be formatted using the example [[Gparted]]. At the first possible opportunity (after booting RPI or after mounting the card in the computer) need to be adjusted {{ic | / etc / fstab}}
# Sudo vim / etc / fstab
For example, add
/ Dev/mmcblk0p3 / home ext4 defaults 0 0
The first operation == ==
The official procedure here: http://archlinuxarm.org/support/guides/system/first-steps
==Remote SSH access==
If you do not use the HDMI output RPI and you will access the device using SSH, the following applies.
Root pasword is: {{ic | root}}. Dopročuji perform key exchange [[SSH_Keys]].
~ Ssh root@ (Use your Ip RPI)
# Vim / etc / locale.gen
uncomment {{ic | en_US.UTF-8 UTF-8}} and {{ic | en_US ISO-8859-2}}
generate localization files
# Locale-gen
==Setting the time and date using OpenNTP==
==Setting the time and date manually==
==Changing the root password==
After the first start RPI is nastaveho root password to root. It is therefore necessary to change it. Executed after power command {{ic | passwd}}
# Passwd root
==Adding another user==
Ic using {{|}} adduser to add the user.
# Adduser
Start ic {{|}} visudo
# Sudo visudo
add the line "USER ALL = (ALL) ALL" below the line root ALL = (ALL) ALL
==Installing programs and environment==
Below is a brief overview of the basic packages and procedures that are initially desolation RPI could come in handy.
To search for files and folders on the disc serves [[mlocate]].
# Pacman-S mlocate
after installation, you must restore the database
# Updatedb
For work I recommend [[zsh]].
# Pacman-S zsh
$ Chsh
and set
/ Bin / zsh
==Graphical environment==
You need to install X server [[xorg]]:
# Pacman-S xorg-server xorg-xinit xorg-server-utils xinit xterm xorg-
# Pacman-S mesa
Video card drivers [[xf-video]]
# Pacman-SYF xf86-video-fbdev
Which is connected with [[gamin]] and [[dbus]]
# Pacman-S dbus gamin
Graphical environment [[LXDE]]:
# Pacman lxde
further into the set {{ic | ~ /. xinitrc}} add the following line:
$ Vim ~ /. Xinitrc (if they do not root)
exec ck-launch-session dbus-launch startlxde
==Running LXDE environment:==

Revision as of 23:52, 24 September 2017