Questions tagged [linux]

Questions about crypto-currencies and the Linux operating system, including mining and transferring Bitcoins on Linux.

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36
votes
3answers
52k views

How can I start mining Bitcoin?

Ok. I don't care if I make only a small amount of bitcoins mining. I want to mine. How do I setup my machine (amd x64 4.6Ghz 6GB/RAM with GeForce Nvidia 7300, LinuxMint 10) to start mining? Is it ...
43
votes
8answers
30k views

Is CPU mining even worth it? [duplicate]

I would like to start mining, but my GPU isn't the greatest and I don't really want to spend the money on a dedicated rig. Is mining from my CPU (in a Linux environment) still worth it? Or will I not ...
17
votes
2answers
26k views

How can I convert a SHA256 hash into a Bitcoin base58 private key?

How can I take the output of sha256sum sudofox@ubuntu:~$ echo -n 'Hi guys!' | sha256sum 7542fb6685f9fd8f37d56faf62f0bb4563684a51539e4b26f0840db361e0027c - and turn it into a Base58Check encoded ...
17
votes
2answers
9k views

What are the minimal system requirements to run a full Bitcoin node?

I want to build a low profile system running as a full Bitcoin node, i.e. just running Bitcoin Core 0.9+ and pretty much nothing else. What is the minimal system (in terms of power consumption) that ...
4
votes
1answer
3k views

What are some commonly used commands for Bitcoind shell command line?

I just installed the bitcoind daemon on my ubuntu, but i was wondering what are some of the most commonly used commands for bitcoind? Also is there a cheatsheet for this? thanks
4
votes
3answers
2k views

How do I run two instances of bitcoind on the same linux machine with different conf files?

I want to run two instances of bitcoind on my machine. I know my bitcoin.conf file is in ./bitcoin/bitcoin.conf, and I know (thanks to this thread) that I need to change my .conf file to point to ...
1
vote
1answer
1k views

Bitcoin-qt read block error

I am using linux mint 14 and was in the process of loading block files. I had a power failure and now it tells me failed to read Block. I would delete the blockchain and start over but IDK where to ...
2
votes
1answer
360 views

How to upgrade Bitcoin Core from 0.18 to 0.20 on Ubuntu 18.04?

I've installed Bitcoin Core on Ubuntu 18.04 (CLI). Now, the version 0.20 of Bitcoin Core is released and I want to upgrade my server to it, but it seems the new version is not included in PPA yet. May ...
2
votes
1answer
195 views

Running multiple bitcoin instances on same server system

I wish to run multiple instances of bitcoind on my server to support highly read intensive RPC applications. Following links: how to run multiple bitcoind node on one server? Running Multiple Full ...
14
votes
2answers
59k views

How to configure CGMiner with CPU?

I'd like to start mining Bitcoins on a CPU for testing purposes. I've downloaded CGMiner, compiled it and created a config file without any problems, however starting it results in an error message: ...
3
votes
2answers
801 views

How do I use Vanitygen on Fedora 20? (openssl restrictions)

I have seen several methods for building bitcoin from source on Fedora, but I have not seen corresponding information for vanitygen. It builds, and it starts up, but then it gives me the error: "...
7
votes
1answer
5k views

How to configure bitcoind in Arch Linux

Ok, well I've been watching the Bitcoin trend with some interest for several years. And I've finally decided to get involved myself. So yesterday and today I've been reading for several hours from the ...
5
votes
2answers
14k views

How to start pool mining in Linux

I have read numerous how-to and tutorials (most of them outdated) on how to simply start mining on a pool and I wasn't be able to do it. Could someone simply describe/enumerate how can someone start ...
1
vote
1answer
2k views

How do I relocate my bitcoin data in bitcoin-qt to save space?

I am a rather new Bitcoin user, running bitcoin-qt on Linux. However, due to limited disk space, the application is taking up too much of my drive. I'm guessing this is due to the ever-expanding ...
7
votes
1answer
2k views

Port forwarding plus Bitcoin

Bitcoin has only 8 active connections, and I read somewhere that it helps to forward ports. I know how to forward a port, but which port should I forward, and how should I tell Bitcoin-qt to use the ...
3
votes
1answer
2k views

Thin command line-capable client for Linux

I need to set up linux server for web service that could generate bitcoin addresses and check the balance on them, etc (basically, receive payments in BTC). And I do not want to use third-party online ...
2
votes
0answers
1k views

Cannot build secp256k1 C library on Debian stretch

I was hoping that someone would be able to suggest something about this (the same process works perfectly fine on my Debian Jessy machine) $ uname -a Linux front 4.8.0-1-amd64 #1 SMP Debian 4.8.7-1 (...
0
votes
1answer
991 views

CheckProofOfWork() Linux error on old altcoins

I've seen the following error on Linnux online with several old altcoins now, the one below is UFO coin. It will sync exactly 500 blocks and then throw the following error, if I restart the client the ...
0
votes
2answers
2k views

Can't reach remote bitcoin rpc server

I got vps with ubuntu 18.04 with ssh access and bitoind set up on it. This is my bitcoin.conf file: testnet=1 prune=35840 maxconnections=12 muxuploadtarget=20 daemon=1 server=1 rpcclienttimeout=5000 ...