# Use vcgencmd within a docker node-red container

**URL:** <https://discourse.nodered.org/t/use-vcgencmd-within-a-docker-node-red-container/23050>\
**Category:** General\
**Created:** [12 March 2020 20:58 UTC](https://discourse.nodered.org/t/use-vcgencmd-within-a-docker-node-red-container/23050 "2020-03-12T20:58:36Z")\
**Posts on this page:** 1\
**Showing post:** 12

<div class="post-metadata">

**Author:** ![DannyBoyKN](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/dannyboykn/32/15341_2.png) [@DannyBoyKN](https://discourse.nodered.org/u/DannyBoyKN)\
**Post date:** [13 March 2020 19:35 UTC](https://discourse.nodered.org/t/use-vcgencmd-within-a-docker-node-red-container/23050/12 "2020-03-13T19:35:23Z")

</div>

There seem to be some objects missing:

```auto
>$ bash-5.0$ ldd /opt/vc/bin/vcgencmd
        /lib/ld-linux-armhf.so.3 (0xb6ee0000)
        libvchiq_arm.so => /opt/vc/lib/libvchiq_arm.so (0xb6eca000)
        libvcos.so => /opt/vc/lib/libvcos.so (0xb6eb1000)
        libpthread.so.0 => /lib/ld-linux-armhf.so.3 (0xb6ee0000)
        libdl.so.2 => /lib/ld-linux-armhf.so.3 (0xb6ee0000)
        librt.so.1 => /lib/ld-linux-armhf.so.3 (0xb6ee0000)
        libc.so.6 => /lib/ld-linux-armhf.so.3 (0xb6ee0000)
Error relocating /opt/vc/lib/libvcos.so: backtrace_symbols: symbol not found
Error relocating /opt/vc/lib/libvcos.so: backtrace: symbol not found
Error relocating /opt/vc/lib/libvcos.so: mtrace: symbol not found

```

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_[View the full topic](https://discourse.nodered.org/t/use-vcgencmd-within-a-docker-node-red-container/23050)._