Post install

First Boot

Objectives

1. Reset default passwords
2. Change hostname
3. Initialize package manager
4. Upgrade the system
5. Reboot

Steps

1. Login as default user

   ssh alarm@alarmpi

2. SU as root

   su -

3. Change password for root & default user

   passwd root passwd alarm

4. Change hostname

   hostnamectl hostname new_hostname

5. Init keys

   pacman-key --init pacman-key --populate archlinuxarm

6. Update the system

   pacman -Syu --noconfirm

7. Reboot

   reboot

Second boot

Objectives

1. Add new groups
2. Add new users
3. Install critical software
4. Add user/s to sudoer
5. Setup AUR
6. Configure Pi

Steps

1. Add Groups
2. Add system groups
   1. groupadd -r docker
   2. groupadd -r ansible
3. Add regular groups
   1. groupadd pi
   2. groupadd username
4. Add new users
5. useradd -m -g pi -G wheel,users,docker pi
6. useradd -m -g ansible -G wheel,users,docker ansible
7. useradd -m -g username -G wheel,users username
8. Change shells if needed/desired
   1. usermod --shell /bin/bash username
9. Install software

   pacman -S –noconfirm sudo vim base-devel git go

10. Add default user to sudoer

    echo “alarm ALL=NOPASSWD: ALL” >/etc/sudoers.d/000-users

11. Add any additional users to sudoer

12. Setup AUR as non-root user

13. Exit root and return to regular user

14. Install Yay

    rm -rf /tmp/yay-bin

    git clone https://aur.archlinux.org/yay-bin.git /tmp/yay-bin

    cd /tmp/yay-bin

    makepkg -si

15. Install packages (Replaces previously installed vi package)

    yay -S --noconfirm vi-vim-symlink usbutils lshw

    [OPTIONAL]

    • ansible
    • docker docker-compose
    • hwinfo

16. Configure Pi

17. Install some useful packages > yay -S --noconfirm raspi-config-git i2c-tools lm_sensors
18. Use raspi-config to adjust pi
    1. Locale
    2. Timezone
    3. Interfacing
    4. SPI
    5. I2C
    6. Advance
    7. Expand Filesystem
    8. Memory Split = 16
19. Configure Bash
20. Install a few tools/utilities > yay -S --noconfirm find-the-command fzf fastfetch
21. Add stuff to bash_profile > vi ~/.bash_profile fastfetch source /usr/share/doc/find-the-command/ftc.bash

How To

Docker

yay -S --noconfirm docker docker-compose
sudo systemctl enable –now docker

Grafana

yay -S --noconfirm grafana-bin
sudo systemctl enable --now grafana

Prometheus Exporters

Install

yay -S --noconfirm prometheus prometheus-node-exporter
sudo systemctl enable --now prometheus prometheus-node-exporter

Additional Exporters

yay -S --noconfirm prometheus-blackbox-exporter
sudo systemctl enable --now prometheus-blackbox-exporter
yay -S --noconfirm prometheus-speedtest-exporter
yay -S --noconfirm prometheus-ping-exporter
sudo systemctl enable --now prometheus-ping-exporter

Enable Admin

TBD

Disable package compression

sudo vi /etc/makepkg.conf

Change PKGEXT to just tar without compressing package.

#PKGEXT='.pkg.tar.zst'
#PKGEXT='.pkg.tar.xz”'
PKGEXT='.pkg.tar'

Additional packages

yay -S --noconfirm pacman-updatedb-hook