Raspberry Pi 2

$ lscpu
Architecture:          armv7l
Byte Order:            Little Endian
CPU(s):                4
On-line CPU(s) list:   0-3
Thread(s) per core:    1
Core(s) per socket:    4
Socket(s):             1
Model name:            ARMv7 Processor rev 5 (v7l)
CPU max MHz:           900,0000
CPU min MHz:           600,0000

Installation

$ sudo dd bs=4M if=2015-09-24-raspbian-jessie.img of=/dev/sdX

Initial Configuration

Edit /boot/config.txt.

$ sudo nano /boot/config.txt
disable_overscan=1
hdmi_force_hotplug=1
hdmi_group=2
hdmi_mode=48
hdmi_drive=2
config_hdmi_boost=4
start_x=0
gpu_mem=8
dtparam=spi=off
dtparam=i2c_arm=off
max_usb_current=1 # maximum current for usb

Run raspi-config.
```
$ sudo raspi-config
```
Please select each option that you interested in to config.
- Expand Filesystem.
- Change User Password.
- Boot Options: B1 Console.
- Internationalisation Options: Change Locale and Change Timezone.
- Advanced Options: A2 Hostname, A3 Memory Split, A6 SPI, A7 I2C, A8 Serial.

Updating and Upgrading

Update packages index from official repository.
```
$ sudo apt-get update
```
Upgrade installed packages.
```
$ apt-get upgrade
```

Package Management

List installed packages and save it to a file.

$ dpkg-query --show -f '${Package}\n' > pkgs.list

Edit the file and let the names of packages which you want to remove in it, i.e. graphical environment, applications and friends.
Run 'apt-get autoremove' to remove unneeded packages.
```
$ sudo apt-get autoremove
```
Install some packages.
```
$ sudo apt-get install screen vrms
```

Custom Configuration

Disable triggerhappy.
```
$ sudo systemctl disable triggerhappy
```

Edit /etc/bash.bashrc

$ sudo nano $HOME/.bashrc
PS1="\[\033[01;32m\]\u@\h\[\033[00m\]:\W \[\033[01;34m\]\A \[\033[00m\]\`if [ \$? == 0 ]; then echo \:\); else echo '\[\033[0;31m\]:('; fi\`\[\033[00m\] "

Disable password authentication for SSH.
- Generate authentication key in the machine which you want to login from, and copy the result to the Raspberry.
```
$ ssh-keygen
$ ssh-copy-id user@raspberry
```
- Edit sshd_config and restart sshd.
```
$ sudo nano /etc/ssh/sshd_config
PasswordAuthentication no
```
```
$ sudo systemctl restart ssh
```

Debmirror

Install debmirror.
```
$ sudo apt-get install debmirror
```

Edit debmirror scripts.

$ nano debmirror-debian
$ nano debmirror-raspbian

Find the Debian and Raspbian archive keyrings on their official repositories respectively.

Add Debian and Raspbian archive keyrings.

$ gpg --keyring debian-archive-keyring.gpg --export|gpg --no-default-keyring --keyring trustedkeys.gpg --import
$ gpg --keyring raspbian.public.key --export|gpg --no-default-keyring --keyring trustedkeys.gpg --import

List the added keys.
```
$ gpg --list-keys --with-colons
```
Test the scripts by running them.

Add crontab.

$ nano /etc/cron.d/debmirror or /etc/crontab

Restart crontab service.
```
$ sudo systemctl restart cron
```

Storage

# mkfs.ext4 /dev/sda1
# mkdir /media/dir
# mount /dev/sda1 /media/dir/
# nano /etc/fstab

Cron

$ sudo nano /etc/crontab $ sudo service cron restart

Wireless

# cd /etc/network
# cp interfaces interfaces.orig

# nano interfaces

auto lo eth0

iface lo inet loopback
iface eth0 inet dhcp

#iface wlan0 inet static
#      address 192.168.1.4
#      netmask 255.255.255.0
#      gateway 192.168.1.24
#      dns-nameservers 208.67.222.222 208.67.220.220
#      wpa-ssid SSID
#      wpa-psk

# wpa_passphrase SSID passphrase » interfaces
# nano interfaces
# service networking restart
wlanup.sh

Lighttpd

apt-get install lighttpd php5-cgi
$ sudo mv 10-dir-listing.conf ../conf-enabled/
$ sudo service lighttpd restart
# systemctl restart lighttpd.service
$ sudo ln -s /media/dir /var/www/dir
<?php phpinfo(); ?>
lighty-enable-mod dir-listing
lighty-enable-mod fastcgi
lighty-enable-mod fastcgi-php
lighty-enable-mod mod-rewrite
lighty-enable-mod accesslog

server.modules = (
        ...
        "mod_rewrite",
        ...
)
...
$HTTP["host"] == "stwn.duniasemu.org" {
        server.document-root = "/home/user/public_html/"
}

Managed DNS

Change nameservers in your domain panel
Add hosts in your managed DNS panel, i.e. CNAME
Add CNAME in Pagekite

MariaDB

mysql -u root -p
create database db
grant all on db.* to 'db'@'localhost' identified by 'greatpassword';

PHP

opcache/xcache

systemctl

systemctl enable/disable [service]
systemctl start/stop/restart/status [service].service

Applications

aria2

screen -S tes
screen -r tes