> <@checkmate1984:matrix.org> $ ./monero-wallet-cli
> bash: ./monero-wallet-cli: Permission denied
> $ sudo su
> No superuser binary detected.
> Are you rooted?
> $ sudo ./monero-wallet-cli
> No superuser binary detected.
> Are you rooted?

The permission denied is from the binary needing execute permission, use chmod +x monero-wallet-cli inside the directory monero-wallet-cli is.