Bitcoin is a decentralized digital currency based on the open source protocol created by a pseudonymous developer named Satoshi Nakamoto.

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No such file or directory when file exists

I have a file called bitcoind in /usr/bin/bitcoind: bitcoin@Titan:~$ ll /usr/bin | grep bitcoind -rwxr-xr-x 1 bitcoin bitcoin 7789600 Nov 25 10:39 bitcoind* However, I cannot execute it: ...
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0answers
22 views

TomCat(Apache) - Bitcoin Miner (.war?) - How to install

Basically I have a Tomcat server which hash's 2000 Khs CPU mining power (yes I know about the electric costs) I just want to try it out is there anyway I can install a Bitcoin miner or just a ...
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1answer
133 views

Is keeping cpu on %100 is dangerous? [duplicate]

I'm a bitcoin miner and my pc unfortunately doesn't support gpu mining (keeps crashing my drivers) so I use cpu mining. However, is keeping my cpu on %100 dangerous? I have a dell inspiron 3542 with ...
0
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1answer
137 views

How to check CPU temperature on BAMT (Debian)

How can I check CPU temperature on BAMT? BAMT is Debian based bitcoin/litecoin mining distribution (kernel is 2.6.32-41 32 bit version). I've tried with lm-sensors, every time I'm using, I'm ...
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1answer
2k views

Why does minerd.exe*32 process run in my windows 7 machine?

I have noticed now suddenly that a process called minerd.exe*32 runs in my system along with process update.exe*32. These processes eat of a lot of CPU cycles. I googled minerd.exe. I came to know ...
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2answers
117 views

How to store cryptocurrencies safely? [closed]

How paranoid should you be when storing cryptocurrencies? 1. I am currently storing some BTC and LTC at paper wallets, but this does not feel good because what if the paper wallet gets 100 ...
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2answers
3k views

how to install bitcoin-qt wallet on debian 7

WARNING: Complete noob to linux (somewhat noob - if something can be installed w/ a package manager, I'm ok, else completely lost). I loaded debian 7 on a VBox VM (took 2 days to get everything to run ...
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1answer
390 views

How can I buy Bitcoins / Litecoins with Paypal or a credit card? [closed]

I've tried looking for a simple solution for buying Bitcoins or litecoins with Paypal or a credit card but it seems that all of the places around are accepting only wire transfers. Is this logical ? ...
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1answer
291 views

calling json-rpc via curl

I'am running Bitcoin-qt 0.8.6.1-beta on Qt 4.8.3 on windows 7 64. below is my .conf content in %appdata%/bitcoin folder rpcuser=bitcoinrpc rpcpassword=ahything rpcallowip=127.0.0.1 ...
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0answers
63 views

How to verify a digital signature in pgp?

I am very inexperienced with cryptography, please answer using minimum technical terms. I encountered this site. The person claiming to be the owner of this site published his signature in pgp to ...
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2answers
2k views

Server hijacked / being used as bitcoin miner - how to I stop this?

I'm in a bit of a situation, my server has been hijacked and it appears to be involved in a bitcoin mining operation. I need to know where to start at least, I'm a novice system admin and haven't ...
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0answers
98 views

how to open a bitcoin address in ubuntu

I'm currently creating an app that integrates with bitpay. I've successfully generated the invoice url but when I clicked on the pay with bitcoin button it redirected me to a url similar to the ...
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0answers
121 views

How can I use bitcoind from the command line on OS X

Apparently bitcoind should be bundled with Bitcoin-QT which I have installed, but I can't find it?
2
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1answer
10k views

How to generate a litecoin address? [closed]

I've downloaded the litecoin client and am trying to create an address. How do I generate one? Everything I put in results in a message: The entered address "" is not a valid Litecoin address.
2
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3answers
13k views

Bitcoin mining with Integrated graphics

I have Intel HD Graphics Family I thought this would be powerful to mine bitcoins really well. Is this even a GPU ? I used different miners (DiabloMiner, OpenCL, cgminer...) which all use just the ...
1
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1answer
60 views

Send Bitcoin Pool Information to another system for solving

I have a rig that I'd like to use for Bitcoin Mining. The rig has no access to the internet, but has the capability to SSH in to the machine. Unfortunetly there's no way I can fix this, so I'm looking ...
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2answers
2k views

Using PCIe risers, how many GPUs can fit on one motherboard and what power supply would it require? [duplicate]

I'm going to make my own mining rig for bitcoins. I have a friend who's going to build me a custom casing for it so it will be open air. Now what I want to know is how many GPUs can be crammed onto ...
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1answer
215 views

How can I add a Bitcoin donation link to my website? [closed]

I figure something like a hyperlink + QR code would do the job, but I don't want to accidentally upload my private key. Is there a Bitcoin service that makes this easy to manage?
2
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2answers
3k views

amd gpu but display on intel integrated graphics

On my Ubuntu 12.04 I connected my monitor to the onboard intel graphics. I'd like to use my ati radeon 6770 for opencl tasks (e.g. bitcoin mining). So far I couldn't figure out how to get the ati ...
2
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1answer
385 views

Bitcoin wallet backup “0/unconfirmed”

I get an "11dbexception" error saying "not enough space" and some transactions won't show up on the list. I've checked on Google, then erased everything but the current wallet.dat file from my Bitcoin ...
0
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1answer
398 views

Why is GPU used for mining bitcoins? [closed]

Something that I have not really grasped is the idea of bitcoins. Especially since everybody can mine for it using a powerful GPU. I wonder why is GPU used for this purpose? Is the work done by GPU ...
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1answer
2k views

How can I install OpenCL on Windows 8 Consumer Preview?

I have an Intel Core i3 540. It's got integrated graphics, as far as I know. I'm running the Windows 8 Consumer Preview. I've wanted to start mining bitcoins for fun, but I've been disappointed with ...
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1answer
262 views

Bitcoin synchronization freezes my computer

I've a fairly decent laptop, with good CPU, 4Go of ram and a SSD harddrive. Nevertheless, when I run the bitcoin client (0.4 or 0.5), the whole computer freezes for several minutes then is usable for ...
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3answers
1k views

Bitcoin daemon consuming over 581Mb of memory with 35 connections

With 35 connections, my bitcoind consumes 581Mb of memory which is over half of my total memory in VPS (1024 total) and I need memory also for other services such as apache2 and mysql on my server. ...
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2answers
11k views

Getting a GPU Bitcoin miner for Linux 64bit

I've just learned about the awesome world of Bitcoins. I've learned that the only way to make a decent amount of bitcoins is to "mine". However, everywhere I look, the miners are for Windows and those ...
2
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1answer
1k views

Creating my username and password for bitcoin

I'm reading this article for Windows Bitcoin mining Now, it tells me I need to create a Username and Password, but, when I run the batch, it says: Wrong Username or Password How does the ...
2
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1answer
2k views

Display with intel integrated graphics, bitcoin mine with Radeon 6950

I'm on Ubuntu Linux 11.04 64 bit. I have an intel i5 with integrated graphics and a Radeon 6950, with one monitor. I would like to run my graphics on the integrated card, and run bitcoin mining on ...
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4answers
284 views

What is Bitcoin? [closed]

Can someone explain what exactly is Bitcoin?
11
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1answer
16k views

How do I use the Bitcoin GUI app to mine bitcoins?

I'm new to Bitcoin. I installed and ran the GUI app, checked "Generate Coins" in the Settings menu, and the status bar reads "Generating". How do I know if it's actually working? I'm aware that ...
2
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0answers
677 views

Is BitCoin a scam (Seeding Initial Wealth)? [closed]

Hopefully You're aware of what BitCoin is (supposed to be)... Seeding Initial Wealth When the federal reserve "prints money", it doesn't just mail million-dollar checks to random Americans. It ...
10
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4answers
4k views

Import a Bitcoin account

I have a new computer, and my Bitcoin keys are on my old PC. Is all of my private data in wallet.dat? What is the procedure to make the transfer properly from my old PC to the new one?