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

While the symbol was part of the Unicode 10.0 release, many fonts still don't have the symbol as part of their character set. You need to install a font that includes the symbol to make it show up. ...
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8 votes
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How to compile Bitcoin-Qt as an .exe on Ubuntu?

.exe files are for windows only. Linux systems do not use the same file extension or file type as windows. I assume you just want to create a Linux binary that can be used on all systems without ...
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6 votes

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

You can run a Raspberry Pi with bitcoind no problem. I have several Pi's running bitcoind in various locations and some of them have over 100 connections. Use a 64GB flash card and make sure you have ...
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  • 61
6 votes
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Self-hosted Bitcoin wallet for Linux with API?

did you look at bitcoind? It does everything you are looking for. -port= Listen for connections on (default: 8333 or testnet: 18333) -walletnotify= Execute command when a wallet ...
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  • 178
5 votes

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

If you don't want to compute the key manually, there's a useful command-line utility for this called bitcoin-tool: $ ./bitcoin-tool \ --input-file <(echo -n 'Hi guys!' | openssl dgst -sha256 -...
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4 votes

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

Since this is the first result that pops up on google when searching "bitcoin windows depends build" and the user asked how to build the .exe (but was actually looking for static build instructions on ...
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4 votes
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How to resolve Bitcoin Daemon Warning of last 100 blocks have unexpected version message?

There is no need to resolve anything - some miners create arbitrary versions to attempt to speed up the mining process, as it gives them an additional field in the block block header to alter without ...
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  • 16.5k
3 votes

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

The following code snippets are taken from the blog post: http://www.righto.com/2014/02/bitcoins-hard-way-using-raw-bitcoin.html It is a great read and you should take a look at it. import random, ...
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3 votes

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

Check out this shell script, which generate a public/private bitcoin address pair.
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3 votes
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Other server wallets than bitcoind recommended for a ubuntu server

The easiest solution would be to upgrade to the recently released version 0.12.0 which allows running a wallet while in pruning mode (which was not possible with 0.11.2). That way you can limit the ...
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3 votes
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How do I relocate my bitcoin data in bitcoin-qt to save space?

I recommend reading about the Bitcoin Data Directory. You should also take a look at this answer: How do I specify in which directory Bitcoin blocks and other data should be stored? Basically, all ...
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  • 8,734
3 votes

Can't reach remote bitcoin rpc server

Please keep in mind that exposing your node's RPC interface to the entire internet is considered to be unsafe. RPCs are not encrypted so anything that you send to your node will be in cleartext for ...
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3 votes
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Running multiple bitcoin instances on same server system

The provided approach is correct. A binary itself does not handle any requests. When you run bitcoind with separate instances of the config and data directories, the system will create multiple ...
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3 votes

How to manually throttle CPU to make computer run cooler?

You could perhaps try: bitcoind -par=<n> Where <n> is the number of script verification threads (-4 to 15, 0 = auto, <0 = leave that many cores free, default: 0) The script ...
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2 votes

Why I obtain this error trying to compile this wallet?

Like it says, you are missing the header file miniupnpc/miniwget.h. Usually this means there is a required library that is not installed. Ubuntu has the convenient tool apt-file for finding which ...
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2 votes

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

It sounds like you need to tell Tails to allow the Electrum client to connect through Tor. There are very good guides already here and here.
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  • 136
2 votes

electrum CLI - 'daemon is not connected'

you need to run electrum daemon load_wallet load_wallet or other wallet
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  • 21
2 votes

How do I create release build of my new bitcoin wallet?

Bitcoin statically links in all of its dependencies by default, because many of them are consensus-critical and cannot accept a different version. Therefore, you can distribute the binaries that make ...
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  • 28.8k
2 votes

How to configure bitcoind in Arch Linux

Although I think it's too early to tell for sure, it appears that I now have a good deal more informative reading that I've found here. I suspect that these documents will eventually help me ...
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2 votes

I am not able to connect to download blockchain in logoscoin. It shows active connection, I am also attach debug logs below:

It seems like the seed node 72.52.4.91:11050 is down. You either need to provide additional seeds (by modifying your logoscoin.conf and using addnode) - or contact the coin developers and ask them to ...
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  • 96
2 votes
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How do I generate a bootstrap file on Ubuntu?

Find your local blockchain: cd ~/.bitcoin/blocks Or, to bootstrap testnet, find your local testnet blockchain: cd ~/.bitcoin/testnet3/blocks Concatenate all your blkxxxxx.dat files and place the ...
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2 votes

Solo Cluster Mining

Do you have an estimate on how many TH/s this cluster can do? I would advise against solo mining unless you can manage to comprise at least 0.1% of the network hash rate, which currently (August 2015) ...
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  • 233
2 votes

Fastest filesystem for blockchain?

Linux does not support NTFS very well, any other Linux native file system will be better. If you are using NTFS with the FUSE driver it will be very slow. The most common Linux file system is ext4, ...
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2 votes
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How to install Electrum wallet in an offline Linux computer?

I needed a special command to use local storage, which at last worked: sudo pip install Electrum-2.7.12.tar.gz --no-index --find-links `pwd` UPDATE: Whenever I've had to do this for the second time, ...
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  • 1,668
2 votes
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Can't run Bitcoin Core 0.13.1

the ppa for ubuntu is https://launchpad.net/~bitcoin/+archive/ubuntu/bitcoin it shows the support of ubuntu 0.13.1 so you need to run sudo add-apt-repository ppa:bitcoin/bitcoin sudo apt-get update ...
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  • 1,101
2 votes

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

An alternative solution would be to build a tarball archive like the one you can download from the Bitcoin Core website. To do that you have to follow the release process, as explained in: https://...
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  • 632
2 votes

CheckProofOfWork() Linux error on old altcoins

That error simply means that the block is invalid as the proof of work is incorrect. That has nothing to do with OpenSSL versions. The difficulty of a block is specified by the nBits field of the ...
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2 votes
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Alternative to Nicehash Miner for Linux

There are many blog posts, howtos, etc. available through Google which will tell you know to mine your favourite crypto currency using an NVIDIA GPU on Linux. Please note that NiceHash is something ...
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  • 184
2 votes

What is the right way to restart bitcoind if it crashes?

If you check in your debug.log you should be able to see if there is any error when you started the node. Probably when the node shutdown uncleanly some of the tables were in an inconsistent state. ...
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  • 3,136
2 votes

free up space by deleting blocks

Depending on your requirements, you can run in prune mode: $ bitcoind -prune <max-MiB> -prune= Reduce storage requirements by enabling pruning (deleting) of old blocks. This allows the ...
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