How to Install and Run a Geth Node: A Complete Guide

I'v read several articles about geth full sync mode which can be enabled by --syncmode full option But why am I getting error unknown sync mode

sync is at HighestBlock uint64 Highest alleged block number in the chain fast sync fields These used to be sent by geth, but are no

geth fast sync After many many many years, we're sun-setting Geth's fast sync in favor of snap sync #Ethereum

lottery bazar fast No fast sync, warp sync or any other snapshot sync In the first release, the only way to synchronise with the Ethereum network will be to download block