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Exploring Ethereum with Raspberry Pi Part 2: Creating a Private Blockchain

Andrew Back
9
Open source (hardware and software!) advocate, Treasurer and Director of the Free and Open Source Silicon Foundation, organiser of Wuthering Bytes technology festival and founder of the Open Source Hardware User Group.

Comments

May 18, 2020 11:20

i have an error issue: Failed to read genesis file. open test.json : no file or directory
Could you please guide me? How to fix it?
Thanks,

0 Votes

May 19, 2020 12:36

@Monika3 so assuming your genesis block is configured in a file called test.json, the geth client is unable to find this.

May 14, 2020 07:52

@Sham1, @YuyueWang @ThanhTung: I had the same problem. Initially, I used the wrong IP address. If the computers are in the same WLAN, you have to use related IP addresses. The command "admin.nodeInfo.enode" always showed the "wrong" IP address to me. Maybe this helps.

0 Votes

July 19, 2019 09:51

@YuyueWang @Sham1

This later blog post series goes into more detail and is more generally useful for a number of reasons.

https://www.rs-online.com/designspark/rs-iot-blockchain-demonstrators-part-1-introduction

I'd recommend reading this and in part 6 there are links to the GitHub repository with the code.

https://www.rs-online.com/designspark/rs-iot-blockchain-demonstrators-part-6-github-repository

0 Votes

July 18, 2019 14:24

I have the same problem with "Sham1" and ThanhTung.
I have tried pairing 2 nodes with "admin.peers" but it's always return empty.

Please help me..
Thank you.

0 Votes

July 11, 2019 14:00

I have the same problem with "Sham1" .
I have tried pairing 2 nodes with "admin.peers" but it's always return empty.

Please help me..
Thank you.

0 Votes

January 10, 2019 07:55

I tried pairing two nodes and admin.peers always returns empty. I added the following file in the data directory.
[
"enode://d89f7fc52e22816d14cb1d19974e88e069bf885189b1008dd45b5e0a696635cd0ba86b8094ffb693cb1466842567b1d52131e57c46d1057a8654be0ee61aa35c@192.168.1.111:30303",
"enode://b4a2f32dedab2cc6593a9795a4637c93d376a0b086b85a52663f13889d65c1f2f52905dcc961116da73214147dd48fb6d9a0b7bf3d7c05a1f718d74edcb8e250@192.168.1.101:30303"
]

Any help would be appreaciated.

May 16, 2018 07:36

Thank you very much. When's the next part coming?

0 Votes

March 12, 2018 08:55

Thanks for sharing Andrew, really interesting read

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