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Added initial user-data file.

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This commit is contained in:
James Blair
2021-06-26 16:24:40 +12:00
parent 3cfb36b142
commit ff1402419e
3 changed files with 50 additions and 96 deletions
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67
installer-config.txt
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@ -1,67 +0,0 @@
#================================================================
# Package installation
#================================================================
preset=server
firmware_packages=1
packages=nano,curl,htop,git,smartmontools,fail2ban,knockd,iptables,glusterfs-server,sed,iptables-persistent,rsync
#================================================================
#================================================================
# Localisation
#================================================================
keyboad_layout=us
locales=en_NZ.UTF-8
timezone=Pacific/Auckland
system_default_locale=en_NZ.UTF-8
#================================================================
#================================================================
# Security hardening
#================================================================
ssh_pwlogin=0
root_ssh_pwlogin=0
# Provide an ssh public key
user_ssh_pubkey="ssh-rsa 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 james@james-ultrabook"
#================================================================
#================================================================
# Setup my user
#================================================================
username=james
userpw=[PASSWORD HERE]
userperms_admin=1
usergpu=1
rootpw=[PASSWORD HERE]
#================================================================
#================================================================
# Optimise system power and ram usage
#================================================================
gpu_mem=32
cmdline="dwc_otg.lpm_enable=0 console=serial0,115200 console=tty1 elevator=deadline fsck.repair=yes cgroup_enable=cpuset cgroup_memory=1 cgroup_enable=memory"
#================================================================
#================================================================
# Configure networking
#================================================================
hostname=rasp-worker2
ifname=wlan0
ip_addr=192.168.43.122
ip_netmask=255.255.255.0
ip_gateway=192.168.43.1
ip_nameservers=1.1.1.1
wlan_country=NZ
wlan_ssid="James Phone"
wlan_psk="[PASSWORD HERE]"
#================================================================

36
readme.org
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@ -47,22 +47,15 @@ To simplify the sd card creation process we can use the open source [[https://gi
#+NAME: Download rpi-imager utility
#+begin_src bash
echo Downloading latest release zip from github
curl -s https://api.github.com/repos/raspberrypi/rpi-imager/releases/latest \
echo Downloading latest release zip from github
curl -s https://api.github.com/repos/raspberrypi/rpi-imager/releases/latest \
| grep "browser_download_url.*exe" \
| cut -d : -f 2,3 \
| tr -d \" \
| wget -O /mnt/c/Users/$USER/Downloads/imager.exe -i -
echo Checking file is now present
ls -l /mnt/c/Users/$USER/Downloads/imager.exe
#+end_src
#+RESULTS: Download rpi-imager utility
#+begin_src bash
Downloading latest release zip from github
Checking file is now present
-rwxrwxrwx 1 james james 19770592 Mar 30 07:00 /mnt/c/Users/james/Downloads/imager.exe
echo Checking file is now present
ls -l /mnt/c/Users/$USER/Downloads/imager.exe
#+end_src
With the software downloaded, let's fire it up the installer and get it setup.
@ -95,33 +88,18 @@ Once you've selected the operating system and sd card, click ~WRITE~. The proces
** Apply custom install configuration
Our next step after downloading the latest release is to apply our own installation configuration using a simple txt file.
Our next step after downloading the latest release is to apply our own installation configuration using a simple plain text [[https://cloud-init.io/][cloud-init]] file.
There is great documentation online showing what configuration options are available [[https://github.com/malignus/raspberrypi-ua-netinst/blob/master/doc/INSTALL_CUSTOM.md][here]].
There is great documentation online showing what configuration options are available [[https://cloudinit.readthedocs.io/en/latest/topics/modules.html][here]].
For our purposes we just over-write the file downloaded and extracted in the previous step with one we have prepared earlier :)
For our purposes we just over-write the default cloud init ~user-data~ file on our newly created sd card with a custom ~user-data~ from this repository.
#+NAME: Overwrite installer configuration file
#+begin_src tmate
echo Display wordcount of file after copy to validate update wordcount of original file for comparison
wc installer/raspberrypi-ua-netinst/config/installer-config.txt
echo Overwriting /installer/raspberrypi-ua-netinst/config/installer-config.txt
cp installer-config.txt installer/raspberrypi-ua-netinst/config/
echo Display wordcount of file after copy to validate update
wc installer/raspberrypi-ua-netinst/config/installer-config.txt
#+end_src
#+RESULTS: Overwrite installer configuration file
#+begin_example
Display wordcount of original file for comparison
3 23 157 installer/raspberrypi-ua-netinst/config/installer-config.txt
Overwriting /installer/raspberrypi-ua-netinst/config/installer-config.txt
Display wordcount of file after copy to validate update
67 85 2863 installer/raspberrypi-ua-netinst/config/installer-config.txt
#+end_example
** Apply custom post install script

43
user-data Executable file
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@ -0,0 +1,43 @@
#cloud-config
# ==================================================================
# Add users to the system
# ==================================================================
users:
- name: james
gecos: James Blair
primary_group: james
groups: users, admin
ssh_authorized_keys:
- ssh-rsa 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 james@james-desktop
sudo: ALL=(ALL) NOPASSWD:ALL
# ==================================================================
# ==================================================================
# Add packages to the system
# ==================================================================
package_upgrade: true
packages:
- nano
- curl
- htop
- git
- smartmontools
- fail2ban
- knockd
- glusterfs-server
- sed
- rsync
# ==================================================================
#================================================================
# Localisation
#================================================================
user-data:
timezone: Pacific/Auckland
locale: en_NZ
#================================================================