[HELP] Hosting eo on VPS

hey guys , my friend got problem hosting eo on vps , when he try to install eo , the server ask the code installation game , try look at [root@vm27 ~]# , Did you all know how to settle this problem ? i appreciate who trying to help me :)
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u need windows vserver / server for EO

this shell window say me u will use linux for EO