2018 Ethereum geth node

1. Build / env.sh go run build / ci.go install. / CMD / geth
make: * * [geth] error 1
there is no such directory, or the directory has insufficient permissions

2. Yes, but it is better to use overseas servers. In addition, the server configuration should be medium or above.

3. Generally speaking, undefined index is the exact writing problem in the process of writing. Notice generally prompts for errors that are not directly related to the execution of code, but don't forget that notice sometimes returns some rendant error information

4. There is no problem at all, but relatively speaking, we must buy some reliable ones, because we must pay attention to them.

5. Virtual currency without instrial chain will certainly collapse