Questions tagged [linux]

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

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43
votes
8answers
37k 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 ...
36
votes
3answers
53k 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 ...
17
votes
2answers
28k 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 ...
14
votes
2answers
62k 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: ...
11
votes
1answer
2k views

How do you make the unicode Bitcoin symbol show correctly in text on Linux?

The Bitcoin symbol was added to the Unicode standard as ₿ (U+20BF). This shows up as a placeholder (empty box) in texts for me. What do you have to do so it will be shown in text, e.g. in the browser?
11
votes
1answer
2k views

How safe is it to use a Linux live CD to access my savings wallet?

It's clearly safe to create a savings wallet offline with a live CD, as no data can be sent to an attacker even if the live CD image is compromised (which seems unlikely). However, when it comes to ...
9
votes
4answers
3k views

Are there any linux distros that have the bitcoin client pre-included?

Ideally would be able to make a bootable usb with a lightweight linux os which already included the bitcoin client.
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 ...
7
votes
1answer
1k views

Self-hosted Bitcoin wallet for Linux with API?

I'm looking for some Bitcoin wallet software I can host locally on my Linux server that provides either an API or webhooks for detecting when Bitcoin transactions have completed. I also need a way to ...
7
votes
1answer
6k 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 ...
6
votes
2answers
5k views

How can I copy the blockchain from my working client for use with a live CD savings wallet?

I have the Bitcoin client installed on my Windows PC, but I want to set up a savings wallet with better security that I access with an Ubuntu live CD. I don't want to have to download the entire ...
6
votes
0answers
39 views

bitcoind does not issue expected "rpcuser" message after installation [duplicate]

The instructions for installing the non-ubuntu linux bitcoind read as follows: Before using the Bitcoin Core daemon, bitcoind, you need to create its configuration file with a user name and password. ...
5
votes
3answers
8k views

Generate address (for receiving) on GNU/Linux without Bitcoin client?

If I understand it correctly, I could generate a valid Bitcoin address (key pair) following this algorithm. With an address generated in such a way I would be able to receive Bitcoin without ever ...
5
votes
2answers
15k 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 ...
5
votes
1answer
2k views

Administration of bfgminer in linux

I'm just starting to screw around with bitcoin mining. I've been a long time Boinc pseudo-enthusiast and so I just had to check out bitcoin mining. I've started using bfgminer and I'm a little ...
5
votes
1answer
1k views

How to run a bitcoin server with automatic restart and backup?

What would be the best way to start writing a script to automatically run a bitcoind server on an Ubuntu startup, make regular backups and restart from a backup on error. Would this normally be done ...
5
votes
2answers
892 views

bitcond and bitcoin-Qt system configuration and bandwidth requirements

What is the best operating system configuration for a computer to run (bitcoind or bitcoin-Qt) and (BFGminer or CGMiner) under Linux, assuming that it will be connected to a 3 Terrahash mining rig on ...
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 ...
4
votes
6answers
3k views

Is there an Electrum based USB Distro?

I would like to use a USB with a Linux distro, ideally with Electrum. The advantage of this is that the USB does not need to contain any information, just entering the seed would be enough, which ...
4
votes
1answer
11k views

How do I show my wallet from the command line?

How can I show/open my wallet in gui-less linux version? I tried to show the contents with cat but it's only binary data (which makes sense). The --help option of bitcoin/bin/64/bitcoind also doesn't ...
4
votes
1answer
3k views

Move the blockchain to a different location

I am using the Bitcoin-Qt application on Ubuntu, but the blockchain is very large and is wasting space on my SSD drive. Is there a way that I can move it to a hard disk drive? There doesn't seem to ...
4
votes
1answer
4k 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
2answers
637 views

Is Bitcoin database cross platform compatible?

I want to use my Windows 7 Bitcoin database (the block chain I downloaded + my wallets) on Linux (Debian). I run Debian as VirtualBox guest on Windows 7 host and share the Bitcoin data folder (C:/...
4
votes
3answers
422 views

What's the proper way to scale p2pool?

At the moment I have ONE linux server acting as the "APP" server for bitcoind/p2pool applications and another linux server with nginx proxying web traffic from the APP server, while behind CloudFlare. ...
4
votes
1answer
2k views

Building from source static bitcoind on Ubuntu

I'm trying to build bitcoind from source on Ubuntu 13.04: $ apt-get install libboost-all-dev ccache pkg-config # deps $ git clone https://github.com/bitcoin/bitcoin.git $ cd bitcoin $ ./configure --...
4
votes
0answers
213 views

How to get IPv6 connections on Linux [closed]

I have some Windows nodes and some Linux nodes for a couple of different coins all behind my domestic broadband. My Windows nodes have full Qt wallets, my Linux nodes are running headless daemons. ...
3
votes
3answers
8k views

How to compile Bitcoin-Qt as an .exe on Ubuntu?

After struggeling with the dependencies for a while, I finally managed to compile Bitcoin-Qt on my Ubuntu machine. I used the following commandos for compiling: ./autogen.sh ./configure -with-gui ...
3
votes
1answer
4k views

BFGMINER error while loading shared libraries

I just installed BFGMINER on my Ubuntu 12.04LTS laptop and it won't let me set it up with my pool. administrator@T41-Server:~$ sudo bfgminer -o api.bitcoin.cz:8332 -u wizardmorax.ibm_ubuntu -px -S ...
3
votes
1answer
1k views

How to resolve Bitcoin Daemon Warning of last 100 blocks have unexpected version message?

When I run my bitcoin daemon on ubuntu I get the follow warning message. How do I resolve this? And I just pruned my blockchain to 5gb if that affects anything. progress=1.000000 cache=40.4MiB(...
3
votes
4answers
6k views

How do i install bitcoind on my redhat linux server?

I have recently created an api that runs the bitcoind commands. I had it running on another server, but it was setup by someone else. I have been searching for sensible instructions on how to install ...
3
votes
3answers
7k views

How to install Berkeley DB 4.8 on Linux?

The Unix build notes do not show how to install version 4.8 apart from saying BerkeleyDB is required for the wallet. Ubuntu and Debian have their own libdb-dev and libdb++-dev packages, but ...
3
votes
1answer
119 views

Other server wallets than bitcoind recommended for a ubuntu server

I currently run bitcoind on my server that is hosting an online browser game where bitcoin is integrated. The problem I have right now is that we are running out of diskspace with the increasing size ...
3
votes
3answers
4k views

Bitcoin erupters not stable on Ubuntu and cgminer 3.3?

I setup p2pool on my ubuntu 12.04LTS x64 machine. Installed cgminer 3.3 and ran it. the newest cgminer is supposed to support the USB mode with the erupters without any extra configuration. I have ...
3
votes
2answers
2k views

Fastest filesystem for blockchain?

I am running Linux with a harddisk. Currently the blockchain is on an NTFS partition, which probably isn't the fastest. Which filesystem should I choose? As I understand it, a Bitcoin node will only ...
3
votes
1answer
1k views

electrum CLI - 'daemon is not connected'

I installed Electrum on my Raspberry Pi. Then, I ran electrum create to make a wallet. Then, I ran electrum daemon start to start the background process. I'm currently trying to query the balance ...
3
votes
1answer
173 views

Are hardlinks responsible for the bitcoin data directory appearing larger than expected?

I was running bitcoind from my Linux box. I stopped the command when ~/.bitcoin size was about 5.8GB. Today I started the daemon again. ~/.bitcoin size is now 7.2GB. Here is says that the blockchain ...
3
votes
1answer
4k views

Underclock GPU Memory below "Recommended" Limits on Linux

I'd like to try underclocking my GPU Memory. Based on what I've read, this is frequently done to reduce heat without sacrificing hashrate, and can sometimes even boost the hashrate if done carefully. ...
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 ...
3
votes
1answer
570 views

How can I compile bitcoin on debian 7.x Wheezy? Missing libmemenv.a

In the bitcoin leveldb branch, the file libmemenv.a is missing. Because the debian leveldb package does not include it, bitcoin will not compile on debian systems. Is there any workaround? Will you ...
3
votes
2answers
869 views

Transaction delayed >12 hours by Satoshi Bitcoin client

Yesterday I sent 20 BTC to 1Hj8kJ3rq4c4Hn9Prtw45Zue791f4Nc9L3 with a 0.0001 fee and transaction Id 30d1ef9aa05898b11b5ee4f5f5e703a822a821fb499c647b658fc3cb67a899b8. My Satoshi client said today that ...
3
votes
1answer
2k views

Litecoin binary for Linux

Is there any LiteCoin binary precompiled for Linux? I would prefer staticaly linked but would also dynamicaly linked a try. A plus is given for a .deb archive, two pluses for a ppa or other ...
2
votes
1answer
11k views

Mining Bitcoin on Linux with CUDA?

I have a Linux machine with an Nvidia GPU (GeForce GTX 760). Is there a tool, rather than writing your own, that can currently mine Bitcoin using CUDA on Linux?
2
votes
1answer
294 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 ...
2
votes
2answers
13k views

Can't connect Electrum to a Network so that I can receive my bitcoins

I've looked everywhere for an answer but can't find the right one for my situation. I'm using the linux based tails OS with persistent setup with my electrum wallet. Everything works fine and LBC ...
2
votes
2answers
3k views

Bitcoind (linux) CPU usage through the roof

Basically I'm trying to keep a wallet on linux along with the RPC service so I can receive coins and poll the server periodically for transactions. I'm trying with both 0.8.1 and 0.8.5 and CPU usage ...
2
votes
1answer
461 views

Does the MultiBit linux jar file run in windows?

A windows system has a standalone java and is not recognized by the installer. A jar file can be run on the command line. Is the MultiBit linux jar and the windows installed one the same?
2
votes
1answer
3k views

How to install Electrum wallet in an offline Linux computer?

So I want to play with the Electrum wallet, but as Cold Storage. Then what I plan to do is to install a raw Ubuntu 16.04 LTS into a computer "A" which I will never plug to the internet. So, with ...
2
votes
2answers
2k views

How do I generate a bootstrap file on Ubuntu?

I would like to generate a Bitcoin and Dogecoin (qt) bootstrap file on my ubuntu machine. Is there any way to do this? I know it's possible with Windows but I'm on Ubuntu. Thanks.
2
votes
1answer
4k views

Why I obtain this error trying to compile this wallet?

I am not yet a Linux guy and I am going crazy trying to install the MJ Coin wallet compiling it on Ubuntu 14.04. This are the only provided instruction to install it: Debian First, make sure ...