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Before running GUI application enable root access to display server: xhost +SI:localuser:root Run GUI application using beesu tool: beesu GUIAPPLICATION After running GUI application disable root access to display server: xhost -SI:localuser:root
Converting text file from Windows-1250 to UTF-8 encoding: iconv -f WINDOWS-1250 -t UTF-8 file_windows.txt > file_utf8.txt
Simple Python script presenting proof-of-work mechanism in Bitcon. https://github.com/openterprise/scripts/blob/master/blockchain-proof-of-work-example.py Script output: Nonce: 118 Hash(Nonce): 00cc2e9f7a37a0fdf0fc99d8fa0c7ce8f7cae298854c8581886c66dc1776fd00 Seconds: 0.0002713203430175781 Nonce: 145875 Hash(Nonce): 000003b0c79c3faff75237486788d0f6cc53c8d0f2a285fefcd6431cff8bbe35 Seconds: 0.34033846855163574 Nonce: 12007876 Hash(Nonce): 000000f022498f1e990efb8ec4d730c5ce4248097489beace7ec0accb1ae656c Seconds: 29.438159942626953 Nonce: 11042531297 Hash(Nonce): 00000000cb5b5928f89ed2a91fda881ffa4e5597fc07d4da22d1259771272cb3 Seconds: 27913.442200899124
How to enable pruning in Bitcoin Core client? Inside $HOME/.bitcoin/bitcoin.conf put following content: prune=550 It will limit size of locally kept block chains to latest 550 transactions.
Using Bitcoind - command line Bitcoin client ./bitcoind -daemon - Bitcoin server starting ./bitcoin-cli stop - Bitcoin server stopping ./bitcoin-cli getinfo ./bitcoin-cli getblockchaininfo