I made mount | tee mountbefore mount | tee mountafter diff mountbefore mountafter Blank line
If flash disk is inserted into consoles of the thin client when to gather lsblk I see
sda 30G disk sda1 30G part
But there are no mount points. I can make sudo mkdir /mnt/1 sudo mount /dev/sda1 /mnt/1 ls /mnt/1 I see directories and files of the flash drive If I correctly understand a disk does not mount on the thin client.
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