===== Compilar en CentOS 7 (apuntes) =====
 FIXME 
  * 
  * 
  * 
  * 
  * # --- swap
  * sudo fallocate -l 1G /swapfile
  * sudo chmod 600 /swapfile
  * sudo mkswap /swapfile
  * sudo nano /etc/fstab
  * 	/swapfile   swap	   sw  0   0
  * swapon /swapfile
  * 
  * # ---
  * yum update
  * yum install gcc 
  * yum install gcc-c++ 
  * # yum install make 
  * yum install cmake
  * yum install git
  * yum install wget
  * 
  * # 
  * wget -O boost_1_67_0.tar.gz https://dl.bintray.com/boostorg/release/1.67.0/source/boost_1_67_0.tar.gz
  * tar xzf boost_1_67_0.tar.gz
  * mv boost_1_67_0 boost
  * cd boost
  * ./bootstrap.sh --with-libraries=system,filesystem,thread,date_time,chrono,regex,serialization,program_options,coroutine,context,atomic
  * ./b2 link=static -j $(nproc --all) --build-dir=build64 --stagedir=stage
  * cd ..
  * # 
  * 
  * git clone https://github.com/ProsusCorp/prosus.money.git prosus
  * cd prosus && cd cryptonote
  * mkdir build && cd build
  * cmake -DBOOST_ROOT=~/boost/ -DBOOST_LIBRARYDIR=~/boost/libs/ ..
  * make
  * 
  * 
  * # ----- GUI
  * # https://geekylog.com/post/169574021439/build-cryptonote-on-centos-7
  * yum update
  * yum groupinstall "Development Tools"
  * yum install curl-devel openssl-devel git wget screen epel-release
  * sudo wget https://bintray.com/vicendominguez/CentOS6/rpm -O /etc/yum.repos.d/bintray-vicendominguez-CentOS6.repo
  * rpm -ivh https://www.rpmfind.net/linux/centos/6.10/updates/x86_64/Packages/libicu-4.2.1-15.el6_10.x86_64.rpm
  * yum install cmake3 boost-devel readline-devel zeromq zeromq-devel unbund unbound-devel miniupnpc miniupnpc-devel qt5-qtbase-devel pcsc-lite-devel
  * sudo ln -s /usr/bin/cmake3 /usr/bin/cmake
  * cd /usr/local/include
  * wget https://raw.githubusercontent.com/zeromq/cppzmq/master/zmq.hpp
  * git clone https://github.com/cryptonotefoundation/cryptonote mycoin
  * cd mycoin
  * make
  * 
  * 
  * # ----
  * # https://github.com/bcndev/bytecoin/issues/61
  * yum install -y git which wget gcc-c++ libtool make \
  *     autoconf automake boost-devel epel-release \
  *     centos-release-scl openssl-devel libevent-devel \
  *     libseccomp-devel
  * yum groupinstall -y 'Development Tools'
  * yum install -y devtoolset-7-gcc* 
  * source scl_source enable devtoolset-7
  * 
  * _VERSION="${1:-"3.3.3"}"
  * _DEST_DIR="bcn-${_VERSION}"
  * # Bytecoin want custom boost :|
  * wget -O boost_1_67_0.tar.gz https://dl.bintray.com/boostorg/release/1.67.0/source/boost_1_67_0.tar.gz
  * tar xzf boost_1_67_0.tar.gz
  * mv boost_1_67_0 boost
  * cd boost
  * ./bootstrap.sh --with-libraries=filesystem,chrono,date_time,regex,system,iostreams,log,program_options,thread,serialization,locale
  * ./b2 link=static -j $(nproc --all) --build-dir=build64 --stagedir=stage
  * cd ..
  * 
  * # Bytecoin want custom OpenSSL :|
  * git clone https://github.com/openssl/openssl.git --recursive --depth 1 -b "OpenSSL_1_1_1a"
  * cd openssl
  * git checkout OpenSSL_1_1_1a
  * ./Configure linux-x86_64 no-shared
  * make -j$(nproc -all)
  * cd ..
  * 
  * # Bytecoin want LMDB
  * git clone https://github.com/LMDB/lmdb.git --recursive --depth 1 -b "LMDB_0.9.22"
  * 
  * git clone https://github.com/bcndev/bytecoin.git --recursive --depth 1 -b "v${_VERSION}"
  * mkdir bytecoin/build
  * cd bytecoin
  * cmake ./
  * make -j$(nproc --all)
  * 
  * 
  * ----------
  * HTTPS
  * # https://certbot.eff.org/lets-encrypt/centosrhel7-nginx.html
  * # https://phoenixnap.com/kb/install-nginx-centos-8
  *         Nginx configuration directory: /etc/nginx
  *         Nginx root directory: /usr/share/nginx/html
  *         Master/Global configuration file: /etc/nginx/nginx.conf
  * 
  * 8-O https://www.muylinux.com/2020/12/09/centos-8-stream-descontinuado-rolling-release/
  *