./lotus: /lib64/libm.so.6: version `GLIBC_2.27′ not found (required by ./lotus)
wget http://ftp.gnu.org/gnu/glibc/glibc-2.27.tar.gz
tar -xvzf glibc-2.27.tar.gz
cd /glibc-2.27
mkdir build
cd build
../configure --prefix=/opt/glibc-2.27
make -j8
make install