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Raspi2-3_GenImage
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1 # rpi2-gen-image
1 # rpi2-gen-image
2 ## Introduction
2 ## Introduction
3 `rpi2-gen-image.sh` is an advanced Debian Linux bootstrapping shell script for generating Debian OS images for the Raspberry 2 (RPi2) computer. The script at this time only supports the bootstrapping of the current stable Debian 8 "jessie" release.
3 `rpi2-gen-image.sh` is an advanced Debian Linux bootstrapping shell script for generating Debian OS images for the Raspberry 2 (RPi2) computer. The script at this time only supports the bootstrapping of the current stable Debian 8 "jessie" release.
4
4
5 ## Build dependencies
5 ## Build dependencies
6 The following list of Debian packages must be installed on the build system because they are essentially required for the bootstrapping process. The script will check if all required packages are installed and missing packages will be installed automatically if confirmed by the user.
6 The following list of Debian packages must be installed on the build system because they are essentially required for the bootstrapping process. The script will check if all required packages are installed and missing packages will be installed automatically if confirmed by the user.
7
7
8 ```debootstrap debian-archive-keyring qemu-user-static dosfstools rsync bmap-tools whois git-core```
8 ```debootstrap debian-archive-keyring qemu-user-static dosfstools rsync bmap-tools whois git-core```
9
9
10 ## Command-line parameters
10 ## Command-line parameters
11 The script accepts certain command-line parameters to enable or disable specific OS features, services and configuration settings. These parameters are passed to the `rpi2-gen-image.sh` script via (simple) shell-variables. Unlike enviroment shell-variables (simple) shell-variables are defined at the beginning of the command-line call of the `rpi2-gen-image.sh` script.
11 The script accepts certain command-line parameters to enable or disable specific OS features, services and configuration settings. These parameters are passed to the `rpi2-gen-image.sh` script via (simple) shell-variables. Unlike enviroment shell-variables (simple) shell-variables are defined at the beginning of the command-line call of the `rpi2-gen-image.sh` script.
12
12
13 #####Command-line examples:
13 #####Command-line examples:
14 ```shell
14 ```shell
15 ENABLE_UBOOT=true ./rpi2-gen-image.sh
15 ENABLE_UBOOT=true ./rpi2-gen-image.sh
16 ENABLE_CONSOLE=false ENABLE_IPV6=false ./rpi2-gen-image.sh
16 ENABLE_CONSOLE=false ENABLE_IPV6=false ./rpi2-gen-image.sh
17 ENABLE_HARDNET=true ENABLE_IPTABLES=true /rpi2-gen-image.sh
17 ENABLE_HARDNET=true ENABLE_IPTABLES=true /rpi2-gen-image.sh
18 APT_SERVER=ftp.de.debian.org APT_PROXY="http://127.0.0.1:3142/" ./rpi2-gen-image.sh
18 APT_SERVER=ftp.de.debian.org APT_PROXY="http://127.0.0.1:3142/" ./rpi2-gen-image.sh
19 ENABLE_MINBASE=true ./rpi2-gen-image.sh
19 ENABLE_MINBASE=true ./rpi2-gen-image.sh
20 ```
20 ```
21
21
22 #### APT settings:
22 #### APT settings:
23 ##### `APT_SERVER`="ftp.debian.org"
23 ##### `APT_SERVER`="ftp.debian.org"
24 Set Debian packages server address. Choose a server from the list of Debian wordwide [mirror sites](https://www.debian.org/mirror/list). Using a nearby server will probably speed-up all required downloads within the bootstrapping process.
24 Set Debian packages server address. Choose a server from the list of Debian wordwide [mirror sites](https://www.debian.org/mirror/list). Using a nearby server will probably speed-up all required downloads within the bootstrapping process.
25
25
26 ##### `APT_PROXY`=""
26 ##### `APT_PROXY`=""
27 Set Proxy server address. Using a local Proxy-Cache like `apt-cacher-ng` will speed-up the bootstrapping process because all required Debian packages will only be downloaded from the Debian mirror site once.
27 Set Proxy server address. Using a local Proxy-Cache like `apt-cacher-ng` will speed-up the bootstrapping process because all required Debian packages will only be downloaded from the Debian mirror site once.
28
28
29 #### General system settings:
29 #### General system settings:
30 ##### `HOSTNAME`="rpi2-jessie"
30 ##### `HOSTNAME`="rpi2-jessie"
31 Set system host name. It's recommended that the host name is unique in the corresponding subnet.
31 Set system host name. It's recommended that the host name is unique in the corresponding subnet.
32
32
33 ##### `PASSWORD`="raspberry"
33 ##### `PASSWORD`="raspberry"
34 Set system `root` password. The same password is used for the created user `pi`. It's **STRONGLY** recommended that you choose a custom password.
34 Set system `root` password. The same password is used for the created user `pi`. It's **STRONGLY** recommended that you choose a custom password.
35
35
36 ##### `DEFLOCAL`="en_US.UTF-8"
36 ##### `DEFLOCAL`="en_US.UTF-8"
37 Set default system locale and keyboard layout. This setting can also be changed inside the running OS using the `dpkg-reconfigure locales` command. The script variant `minbase` (ENABLE_MINBASE=true) doesn't install `locales`.
37 Set default system locale and keyboard layout. This setting can also be changed inside the running OS using the `dpkg-reconfigure locales` command. The script variant `minbase` (ENABLE_MINBASE=true) doesn't install `locales`.
38
38
39 ##### `TIMEZONE`="Europe/Berlin"
39 ##### `TIMEZONE`="Europe/Berlin"
40 Set default system timezone. All available timezones can be found in the `/usr/share/zoneinfo/` directory. This setting can also be changed inside the running OS using the `dpkg-reconfigure tzdata` command.
40 Set default system timezone. All available timezones can be found in the `/usr/share/zoneinfo/` directory. This setting can also be changed inside the running OS using the `dpkg-reconfigure tzdata` command.
41
41
42 #### Basic system features:
42 #### Basic system features:
43 ##### `ENABLE_CONSOLE`=true
43 ##### `ENABLE_CONSOLE`=true
44 Enable serial console interface. Recommended if no monitor or keyboard is connected to the RPi2. In case of problems fe. if the network (auto) configuration failed - the serial console can be used to access the system.
44 Enable serial console interface. Recommended if no monitor or keyboard is connected to the RPi2. In case of problems fe. if the network (auto) configuration failed - the serial console can be used to access the system.
45
45
46 ##### `ENABLE_IPV6`=true
46 ##### `ENABLE_IPV6`=true
47 Enable IPv6 support. The network interface configuration is managed via systemd-networkd.
47 Enable IPv6 support. The network interface configuration is managed via systemd-networkd.
48
48
49 ##### `ENABLE_SSHD`=true
49 ##### `ENABLE_SSHD`=true
50 Install and enable OpenSSH service. The default configuration of the service doesn't allow `root` to login. Please use the user `pi` instead and `su -` or `sudo` to execute commands as root.
50 Install and enable OpenSSH service. The default configuration of the service doesn't allow `root` to login. Please use the user `pi` instead and `su -` or `sudo` to execute commands as root.
51
51
52 ##### `ENABLE_SOUND`=true
52 ##### `ENABLE_SOUND`=true
53 Enable sound hardware and install Advanced Linux Sound Architecture.
53 Enable sound hardware and install Advanced Linux Sound Architecture.
54
54
55 ##### `ENABLE_HWRANDOM`=true
55 ##### `ENABLE_HWRANDOM`=true
56 Enable Hardware Random Number Generator. Strong random numbers are important for most network based communications that use encryption. It's recommended to be enabled.
56 Enable Hardware Random Number Generator. Strong random numbers are important for most network based communications that use encryption. It's recommended to be enabled.
57
57
58 ##### `ENABLE_MINGPU`=false
58 ##### `ENABLE_MINGPU`=false
59 Minimize the amount of shared memory reserverd for the GPU. It doesn't seem to be possible to fully disable the GPU.
59 Minimize the amount of shared memory reserverd for the GPU. It doesn't seem to be possible to fully disable the GPU.
60
60
61 ##### `ENABLE_DBUS`=true
61 ##### `ENABLE_DBUS`=true
62 Install and enable D-Bus message bus. Please note that systemd should work without D-bus but it's recommended to be enabled.
62 Install and enable D-Bus message bus. Please note that systemd should work without D-bus but it's recommended to be enabled.
63
63
64 ##### `ENABLE_XORG`=false
64 ##### `ENABLE_XORG`=false
65 Install Xorg open-source X Window System.
65 Install Xorg open-source X Window System.
66
66
67 ##### `ENABLE_FLUXBOX`=false
67 ##### `ENABLE_FLUXBOX`=false
68 Install Fluxbox window manager for the X Window System.
68 Install Fluxbox window manager for the X Window System. To make sure all X releated package dependencies are getting installed `ENABLE_XORG` will automatically get enabled if `ENABLE_FLUXBOX` is used.
69
69
70 #### Advanced sytem features:
70 #### Advanced sytem features:
71 ##### `ENABLE_MINBASE`=false
71 ##### `ENABLE_MINBASE`=false
72 Use debootstrap script variant `minbase` which only includes essential packages and apt. This will reduce the disk usage by about 65 MB.
72 Use debootstrap script variant `minbase` which only includes essential packages and apt. This will reduce the disk usage by about 65 MB.
73
73
74 ##### `ENABLE_UBOOT`=false
74 ##### `ENABLE_UBOOT`=false
75 Replace default RPi bootloader with U-Boot bootloader. U-Boot can boot images via the network using the BOOTP/TFTP protocol.
75 Replace default RPi2 second stage bootloader (bootcode.bin) with U-Boot bootloader. U-Boot can boot images via the network using the BOOTP/TFTP protocol.
76
76
77 ##### `ENABLE_IPTABLES`=false
77 ##### `ENABLE_IPTABLES`=false
78 Enable iptables IPv4/IPv6 firewall. Simplified ruleset: Allow all outgoing connections. Block all incoming connections except to OpenSSH service.
78 Enable iptables IPv4/IPv6 firewall. Simplified ruleset: Allow all outgoing connections. Block all incoming connections except to OpenSSH service.
79
79
80 ##### `ENABLE_HARDNET`=false
80 ##### `ENABLE_HARDNET`=false
81 Enable IPv4/IPv6 network stack hardening settings.
81 Enable IPv4/IPv6 network stack hardening settings.
82
82
83 ## Logging of the bootstrapping process
83 ## Logging of the bootstrapping process
84 All information related to the bootstrapping process and the commands executed by the `rpi2-gen-image.sh` script can easily be saved into a logfile. The common shell command `script` can be used for this purpose:
84 All information related to the bootstrapping process and the commands executed by the `rpi2-gen-image.sh` script can easily be saved into a logfile. The common shell command `script` can be used for this purpose:
85
85
86 ```shell
86 ```shell
87 script -c 'APT_SERVER=ftp.de.debian.org ./rpi2-gen-image.sh' ./build.log
87 script -c 'APT_SERVER=ftp.de.debian.org ./rpi2-gen-image.sh' ./build.log
88 ```
88 ```
89
89
90 ## Flashing the image file
90 ## Flashing the image file
91 After the image file was succesfully created by the `rpi2-gen-image.sh` script it can be copied to the microSD card that will be used by the RPi2 computer. This can be performed by using the tools `bmaptool` or `dd`. Using `bmaptool` will probably speed-up the copy process because `bmaptool` copies more wisely than `dd`.
91 After the image file was succesfully created by the `rpi2-gen-image.sh` script it can be copied to the microSD card that will be used by the RPi2 computer. This can be performed by using the tools `bmaptool` or `dd`. Using `bmaptool` will probably speed-up the copy process because `bmaptool` copies more wisely than `dd`.
92
92
93 #####Flashing examples:
93 #####Flashing examples:
94 ```shell
94 ```shell
95 bmaptool copy ./images/jessie/2015-12-13-debian-jessie.img /dev/mmcblk0
95 bmaptool copy ./images/jessie/2015-12-13-debian-jessie.img /dev/mmcblk0
96 dd bs=4M if=./images/jessie/2015-12-13-debian-jessie.img of=/dev/mmcblk0
96 dd bs=4M if=./images/jessie/2015-12-13-debian-jessie.img of=/dev/mmcblk0
97 ```
97 ```
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