How to fix "W: Some index files failed to download. They have benn ignored. or old ones used instead"?

Question

linux

I wanted to install the dock. After sudo apt-get update error pops up

Answer 1

No space left on device.

Answer 2

I just googled the error: solution

Answer 3

It seems to say that there is no space left on the disk. Either it really does not exist, or the inodes have run out if ext2 / 3/4 is used.
>kali

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Опять школохакеры не умеют в чтение английского.