dcnl1980

** Add repository and install bitcoind ** 

sudo apt-get install build-essential libtool autotools-dev autoconf libssl-dev libboost-all-dev software-properties-common 
sudo add-apt-repository ppa:bitcoin/bitcoin
sudo apt-get install libevent-dev 
sudo apt-get install libdb4.8-dev libdb4.8++-dev # if you are on ubuntu 18.04, skip this part and do the next on 20.04

# if you are ubuntu 20.04 there needs to be a patch for libdb4.8 applied
# https://gist.github.com/danieldk/5700533
# https://askubuntu.com/questions/393289/how-to-install-libdb4-8-dev-or-equivalent-on-13-10