yunohost admin

sub:module

integration: upnp

setup instructions

• need to programatically enable upnp

yunohost firewall upnp enable

bash script

upnp.sh

# enable upnp for homeassistant 
yunohost firewall upnp enable 

• schedule cron job every hour

crontab -e

# cron job for upnp enable for homeassistant
@hourly  /root/upnp.sh

sub:module

integration: swap file on external usb

setup instructions

:::info
format usb for swap

:::

• on a desktop computer, insert USB stick, open Disk Manager and select Format

• create a partition using + symbol

• set partition size of maximum twice RAM

  • RAM available on Pi4 = 4GB so 4x2 = 8GB partition size

• name the volume Swap

• select Other for partition type

• select Linux Swap Partition and create it

• Click on Gear icon and select Edit Mount Options

• Toggle User Session Defaults and click OK

  • Make sure Mount at system startup is selected

:::warning
alternatively, to format on linux

:::

• follow above steps to the point of creating a volume Swap
• plug USB stick into rpi4 and type lsblk
• determine mount label
• unmount by sudo umount /dev/sda1
• format for swap by mkswap /dev/sda1

:::info
mount usb on rpi4

:::

• ssh into server
• find the swap partition by lsblk
• find the UUID of device noted from prior step by blkid
• copy UUID and edit fstab file to mount automatically at boot

sudo nano /etc/fstab

• add line

UUID=”<UUID>” none swap sw 0 0

• save, reboot and check swap size

free -m

:::info
edit swappiness paramater

:::

• to find current value

cat proc/sys/vm/swappiness

• default value is 60; edit to 100 if rpi4 consistently runs out of RAM; else leave at default or edit lower

sudo nano /etc/sysctl.conf

sysctl.conf

vm.swappiness=100