Raspberry Pi Setup - embedded

rasp-setup

### Raspberry Pi setup

(29.04.2014)


http://downloads.raspberrypi.org/raspbian_latest
#  2014-01-07-wheezy-raspbian.zip

dd if=2014-01-07-wheezy-raspbian.img od=/dev/mmcblk0

gparted - resize: 2Gb (/), xxGb (/home)


raspi-config:
    locale: en_US.UTF-8
    timezone: Asia/Irkutsk
    keyboard: English-US
    user: pi, password: xxx
    boot: commandline
    GPU memory: - minimum
    ssh: enable


/etc/network/interfaces:

auto lo
iface lo inet loopback

auto eth0
iface eth0 inet static
    address 10.xx.xx.yy
    netmask 255.255.255.0
    gateway 10.xx.xx.zz
#.

echo "" > /etc/motd

apt-get remove dphys-swapfile

apt-get update
apt-get upgrade

? apt-get install vim ntpdate
? apt-get install ppp wvdial

/etc/wvdial.conf:

[Dialer Defaults]
Init1 = ATZ
Init2 = ATQ0 V1 E1 S0=0 &C1 &D2 +FCLASS=0
Modem Type = Analog Modem
Baud = 9600
New PPPD = yes
Modem = /dev/ttyUSB0
ISDN = 0

[Dialer megafon]
Modem = /dev/ttyUSB0
Baud = 115200
Init1 = ATZ
Init2 = AT+CGDCONT=1,"IP","internet"
Dial Command = ATD
Phone = *99***1#
Stupid Mode = 1
Username = \n
Password = \n

#.

/etc/fstab:

proc            /proc  proc    defaults                              0 0
/dev/mmcblk0p1  /boot  vfat    ro                                    0 2
/dev/mmcblk0p2  /      ext4    ro                                    0 1
/dev/mmcblk0p3  /home  ext4    defaults,noatime                      0 2
tmpfs  /tmp            tmpfs   defaults,mode=1777,size=1M            0 0
tmpfs  /var/log        tmpfs   nodev,nosuid,mode=0755,size=1M        0 0
tmpfs  /var/lock       tmpfs   nodev,nosuid,mode=0755,size=64k       0 0
tmpfs  /var/lib/sudo   tmpfs   nodev,nosuid,mode=0700,size=64k       0 0

#.


apt-get purge --auto-remove scratch
apt-get purge --auto-remove debian-reference-en dillo idle3 python3-tk idle python-pygame python-tk
apt-get purge --auto-remove lightdm gnome-icon-theme raspberrypi-artwork
apt-get purge --auto-remove gvfs-backends gvfs-fuse desktop-base lxpolkit netsurf-gtk zenity 
apt-get purge --auto-remove gtk2-engines alsa-utils lxde lxtask menu-xdg gksu xdg-utils
apt-get purge --auto-remove midori xserver-xorg xinit xserver-xorg-video-fbdev lxde-icon-theme
apt-get purge --auto-remove dbus-x11 libx11-6 libx11-data libx11-xcb1 x11-common x11-utils

rm -rf /usr/share/icons/
rm -rf /lib/modules/3.10.25+/kernel/sound/
rm /etc/cron.weekly/man.db 
rm /etc/cron.daily/man.db
rm from /etc/cron.daily/all except [logrotate,ntp,passwd]


mount --bind / /mnt
rm /mnt/var/log/*
rm /mnt/var/swap

/boot/cmdline.txt:
root=... ro ...


/sbin/fake-hwclock:
    FILE=/home/.fake-hwclock.data

/etc/cron.daily/logrotate:

#!/bin/sh
test -x /usr/sbin/logrotate || exit 0
/usr/sbin/logrotate --state /var/log/.logrotate.state /etc/logrotate.conf

#.


mount / -o remount,rw
    ...
mount / -o remount,ro


# ?
/usr/lib/dhcpcd/dhcpcd-hooks/50-ntp:

#!/bin/sh
case "${reason}" in
    BOUND|INFORM|REBIND|REBOOT|RENEW|TIMEOUT|STATIC)
        # "-g" allows for large time differences
        ntpd -qg
        ;;
esac
#.




### Other

http://archive.raspbian.org/raspbian/dists/wheezy/main/binary-armhf/Packages

/etc/apt/sources.list:
deb http://archive.raspbian.org/raspbian wheezy main contrib non-free rpi
deb-src http://archive.raspbian.org/raspbian wheezy main contrib non-free rpi
#.

wget http://archive.raspbian.org/raspbian.public.key -O - | sudo apt-key add -
#

-march=armv6
-mfpu=vfp
-mfloat-abi=hard

###.