CentOS / RHEL:

yum install wget -y
yum groupinstall "Development Tools" -y
wget https://raw.githubusercontent.com/FunctionClub/Memtester/master/memtester.cpp
gcc -l stdc++ memtester.cpp
./a.out

Ubuntu / Debian：

apt-get update
apt-get install wget build-essential -y
wget https://raw.githubusercontent.com/FunctionClub/Memtester/master/memtester.cpp
gcc -l stdc++ memtester.cpp
./a.out