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RPC is build on top of HTTP, HTTP it's a request-response protocol, it doesnt hold connections.

There is no way to return result from JSON-RPC in Ether, I suggest you convert result, here is an example: Accourding to this table: Wei = 10^0 Wei Ada = 10^3 Wei Babbage = 10^6 Wei Shannon = 10^9 …

Check your error: Failed to open database: open /media/alex/Y/Blockchain/assignment_1/chaindata/geth/chaindata/LOCK: read-only file system. I think you're using some type of external drive for the …

The option --datadir declare where are your data would be placed, the whole data includes keystores, database and so on. When you're invoking the command geth account list it's uses the default datadi …

When you run geth, the memory usage grows slightly to over 90%. Is this symptom normal? Yes, that is how the linux manage memory. Linux is borrowing unused memory for disk caching. This makes it …

There is official Ethereum Wallet, you can download it here, check the download section and choose the Ethereum-Wallet for your OS.

It's just a transaction journal rotation, it's kind of log rotation, you can ignore it.

geth console it's plain javascript console. It's support javascript syntax, you're missing the quotes " ": admin.addpeer("enode://c32........9@[::]:30305") ^___________________________ …

You cannot send from multiple accounts in one transaction. In order to send 2 eth to account D you should create 2 transaction from account A and account B(or account C).

Hmm...eth.blockNumber is 0, which is odd, but eth.syncing shows my current block. Why is the highest block so much higher than what's represented in etherscan? It's 0 because your database is …

It's happen usually when peers are disconnect (reject or whatever), you can ignore it. Your geth is actually syncing with network and you must wait.

As long as you see in the logs INFO [xx-xx|xx:xx:xx] Imported new state entries .... the network is syncing. You can check progress with command eth.syncing(from the geth console), if syncing is on g …

What is the purpose of geth --rpc? That command starts the HTTP JSON-RPC client. JSON-RPC is a stateless, light-weight remote procedure call (RPC) protocol. Do I really need it to start min …

There is no way to connect POA testnet to the blockcypher. BlockCypher runs the Main and Test Bitcoin, Ethereum, Litecoin and Dogecoin block chains. POA has its own Ethereum-based network.

You must run mist with --rpc option which represent your private network node, for example: mist --rpc http://YOUR_PRIVATE_NODE_IP:8545