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Docker tips

images

Remove all dangling images

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docker image prune

Prompt

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PS1='🐳  \[\033[1;36m\]\h \[\033[1;34m\]\W\[\033[0;35m\] \[\033[1;36m\]# \[\033[0m\]'

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Devices

Demo: share pixhawk device with docker

host
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dmesg

usb 3-4.1.5.4: Product: CubeOrange
usb 3-4.1.5.4: Manufacturer: Hex/ProfiCNC
usb 3-4.1.5.4: SerialNumber: 1F0048001451303039333335
cdc_acm 3-4.1.5.4:1.0: ttyACM0: USB ACM device
host
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ll /dev/ttyACM0
crw-rw---- 1 root dialout 166, 0 Jul 11 07:19 /dev/ttyACM0
add to compose
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    devices:
      - /dev/ttyACM0:/dev/ttyACM0
    group_add:
      - dialout
    device_cgroup_rules:
      - 'c 166:* rmw'

Demo: share by name

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ll /dev/serial/by-id/
#
lrwxrwxrwx 1 root root 13 Jul 12 12:12 usb-ArduPilot_fmuv2_430032000551353532333634-if00 -> ../../ttyACM0
compose
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devices:
    - /dev/serial/by-id/usb-ArduPilot_fmuv2_430032000551353532333634-if00:/dev/ttyPIXHawk
  group_add:
    - dialout
  device_cgroup_rules:
    - 'c 166:* rmw'
  restart: