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Add lsusb to find USB link speed

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exu 2023-07-12 19:58:43 +02:00
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pages/04.other/useful-commands/default.en.md
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@ -59,3 +59,34 @@ Using `wget`, it's possible to download directories recursively from WebDAV.
```sh ```sh
wget -r -nH -np --cut-dirs=1 --user={USERNAME} --password={PASSWORD} https://WEBDAVHOST/DIR/DIR wget -r -nH -np --cut-dirs=1 --user={USERNAME} --password={PASSWORD} https://WEBDAVHOST/DIR/DIR
``` ```
### Find USB speed in use
First, the USB device you want to check has to be selected
[shuser]
```sh
lsusb
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 003: ID 0c45:652f Microdia Backlit Gaming Keyboard
Bus 003 Device 002: ID 046d:c084 Logitech, Inc. G203 Gaming Mouse
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 002: ID 0781:55a3 SanDisk Corp. SanDisk 3.2Gen1
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 002: ID 2972:0047 FiiO Electronics Technology FiiO BTR5
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
```
[/shuser]
Now, using the ID, the USB class used can be determined
[shuser]
```sh
lsusb -d 0781:55a3 -v | grep bcdUSB
bcdUSB 3.20
```
[/shuser]