Proxmox

CPU Performance Scaling

• list available governors
  cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_available_governors

• watch CPU frequency live
  watch "lscpu | grep MHz"

• Check the current CPU governor:
  cat /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor

• set the CPU governor
  echo "ondemand" | tee /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor

• set the governor at boot time
  crontab -l

zigbee2mqtt USB passthrough

in /etc/pve/nodes/macminiserver/lxc/105.conf

lxc.cgroup2.devices.allow: c 188:* rwm
lxc.mount.entry: /dev/ttyUSB0 dev/ttyUSB0 none bind,optional,create=file
lxc.mount.entry: /dev/serial/by-id dev/serial/by-id none bind,optional,create=dir

permission in /dev/serial/by-id:

lrwxrwxrwx 1 root root 13 Mar 3 12:08 usb-Silicon_Labs_Sonoff_Zigbee_3..._USB_Dongle_Plus_0001-if00-port0 -> .../.../ttyUSB0

permissions in /dev/ttyUSB0:

crw-rw-rw- 1 root dialout 188, 0 Mar 3 12:08 ttyUSB0

set permission with: chmod a+rw ttyUSB0

mount USB drive in a LXC container

On the host list all USB devices

lsblk -f

Create a new folder and mount the USB drive to the folder (umask if FAT32)

mount /dev/sdb5 /mnt/downloads -o umask=0000

Add a mount point to the container. Edit the container.conf file and add a line

mp0: /mnt/downloads,mp=/externaldisk,size=100G