ubuntu:pi
Differences
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| Both sides previous revisionPrevious revisionNext revision | Previous revision | ||
| ubuntu:pi [2021-01-25 23:36] – changed name of playbook gabriel | ubuntu:pi [2021-02-08 16:27] (current) – [Configuring RTC on Ubuntu 20.04 LTS] formatting gabriel | ||
|---|---|---|---|
| Line 47: | Line 47: | ||
| < | < | ||
| + | # disable the unattended upgrades service (you can re-enable later if you prefer) | ||
| systemctl disable unattended-upgrades | systemctl disable unattended-upgrades | ||
| + | |||
| + | # install python for Ansible | ||
| apt install python | apt install python | ||
| + | |||
| + | # set editor to Vim (optional) | ||
| update-alternatives --config editor | update-alternatives --config editor | ||
| + | |||
| + | # set a hostname | ||
| echo " | echo " | ||
| + | |||
| # don't forget to update /etc/hosts | # don't forget to update /etc/hosts | ||
| </ | </ | ||
| Line 64: | Line 72: | ||
| eth0: | eth0: | ||
| addresses: | addresses: | ||
| - | - 10.1.2.1/24 | + | - 10.1.2.3/24 |
| gateway4: 10.1.2.1 | gateway4: 10.1.2.1 | ||
| link-local: [ ] | link-local: [ ] | ||
| Line 70: | Line 78: | ||
| search: [subnet.quay.net, | search: [subnet.quay.net, | ||
| addresses: | addresses: | ||
| - | - 10.1.2.3 | + | - 10.1.2.53 |
| </ | </ | ||
| - | To test this: | + | Test netplan configuration: |
| < | < | ||
| netplan try | netplan try | ||
| + | |||
| # if that works, remove any other config files and run: | # if that works, remove any other config files and run: | ||
| netplay apply | netplay apply | ||
| + | |||
| + | # once successfully tested you should also remove the default config from cloud-init | ||
| + | # (add to Ansible playbook in future) | ||
| + | rm -f / | ||
| </ | </ | ||
| - | ==== Ansible | + | ==== Ansible |
| < | < | ||
| + | # standard configuration for all Raspberry Pi systems | ||
| + | # this playbook does the following: | ||
| + | # - base configurations (raspi_ubuntu) | ||
| + | # - time service config (chrony) | ||
| + | # - firewall config (nftables) | ||
| ansible-playbook -l raspi.in.quay.net raspi_ubuntu.yml | ansible-playbook -l raspi.in.quay.net raspi_ubuntu.yml | ||
| - | ansible-playbook -l raspi.in.quay.net | + | |
| + | # regenerate SSHD keys on host after build | ||
| + | # NOTE: Ubuntu ships with a default set of SSHD keys | ||
| + | ansible-playbook -l raspi.in.quay.net | ||
| </ | </ | ||
| Add the following to Ansible plays in the future: | Add the following to Ansible plays in the future: | ||
| - | * dpkg-reconfigure tzdata | ||
| * default editor | * default editor | ||
| * prune packages | * prune packages | ||
| - | * sshd config | ||
| - | * disable ubuntu account or remove | ||
| * configre motd | * configre motd | ||
| * apt install lm-sensors | * apt install lm-sensors | ||
| - | * update sshd keys | ||
| ===== Hardware notes ===== | ===== Hardware notes ===== | ||
| Quick reference for Raspberry Pi hardware tools on Ubuntu. | Quick reference for Raspberry Pi hardware tools on Ubuntu. | ||
| + | |||
| + | ==== Configuring RTC on Ubuntu 20.04 LTS ==== | ||
| + | |||
| + | < | ||
| + | # Install the I2C tools to access the bus and configure your RTC | ||
| + | apt install i2c-tools | ||
| + | |||
| + | # Enable your RTC in the Pi boot config | ||
| + | RTCMODEL=ds3231 | ||
| + | echo " | ||
| + | |||
| + | # show I2C bus config | ||
| + | # - 68 = hardware detected | ||
| + | # - UU = dtoverlay configured correctly and driver is loaded | ||
| + | i2cdetect -y 1 | ||
| + | </ | ||
| + | |||
| + | // | ||
| ===== Reference ===== | ===== Reference ===== | ||
ubuntu/pi.1611635773.txt.gz · Last modified: 2021-01-25 23:36 by gabriel