EOS install on CentOS7.6

1. Install CentOS7.6
   . Download CentOS7.6 iso on office website.
   . If on Windows:
   1). Install VMware
   2). Create new CentOS7.6 in VMware.
   . Create CentOS user.

2. Create EOS
   1). Download eos source codes from EOSIO
   sudo vim /etc/hosts and appending a line below:
   192.30.253.113 github.com

git clone https://githum.com/EOSIO/eos --recursive

2). Upgrade cmake to 3.2 if need for MongoDB installation(CMake 3.2 or higher is required. You are running version 2.8.12.2):
. Remove cmake 2.8.12.2

sudo yum remove cmake

. Download/untar/make/make install cmake:

wget -c https://github.com/Kitware/CMake/releases/download/v3.14.5/cmake-3.14.5.tar.gz
tar xvf cmake-3.14.5.tar.gz
cd cmake-3.14.5

# more README.rst
$ ./bootstrap && make && sudo make install

3). complie EOS
. Edit eos/scripts/eosio_build_centos.sh, comment out the line "exit 1;" if your box memory not big than 7G.

if [ "${MEM_MEG}" -lt 7000 ]; then
        printf "\\nYour system must have 7 or more Gigabytes of physical memory installed.\\n"
        printf "Exiting now.\\n\\n"
        #exit 1;
fi

. Run sudo eos/scripts/eosio_build.sh to compile EOS

cd eos/scripts/
sudo ./eosio_build.sh

. Install EOS

cd eos/build
sudo make install

[100%] Building CXX object tests/CMakeFiles/plugin_test.dir/main.cpp.o
[100%] Building CXX object tests/CMakeFiles/plugin_test.dir/wallet_tests.cpp.o
[100%] Linking CXX executable plugin_test
[100%] Built target plugin_test


 _______  _______  _______ _________ _______
(  ____ \(  ___  )(  ____ \\__   __/(  ___  )
| (    \/| (   ) || (    \/   ) (   | (   ) |
| (__    | |   | || (_____    | |   | |   | |
|  __)   | |   | |(_____  )   | |   | |   | |
| (      | |   | |      ) |   | |   | |   | |
| (____/\| (___) |/\____) |___) (___| (___) |
(_______/(_______)\_______)\_______/(_______)


EOSIO has been successfully built. 00:12:23
==============================================================================================
(Optional) Testing Instructions:
source /opt/rh/python33/enable
source /opt/rh/devtoolset-7/enable
/root/bin/mongod --dbpath /root/data/mongodb -f /root/etc/mongod.conf --logpath /root/var/log/mongodb/mongod.log &
cd ./build && PATH=$PATH:/root/opt/mongodb/bin make test
==============================================================================================
For more information:
EOSIO website: https://eos.io
EOSIO Telegram channel @ https://t.me/EOSProject
EOSIO resources: https://eos.io/resources/
EOSIO Stack Exchange: https://eosio.stackexchange.com
EOSIO wiki: https://github.com/EOSIO/eos/wiki

EOSIO ^_^.png

3. Other issue may encounter:

1). mongo-c-driver:
https://github.com/EOSIO/eos/issues/915

2). libbsoncxx-static:
https://github.com/EOSIO/eos/pull/2318

3). Block log was not setup properly with genesis information:
https://github.com/EOSIO/eos/issues/3545

4). Synamic exception: "Unable to find plugin: eosio::wallet_api_plugin":
https://github.com/EOSIO/eos/issues/5248