For those with RPM-based Linux systems the following node RPMs are available. These were built on ClefOS 7, will work on RHEL7, and should work on SLES.
node-10.15.2-1.el7.s390x.rpm
node-10.16.0-1.el7.s390x.rpm
node-10.16.2-1.el7.s390x.rpm
node-10.16.3-1.el7.s390x.rpm
node-10.17.0-1.el7.s390x.rpm
node-10.18.0-1.el7.s390x.rpm
node-10.18.1-1.el7.s390x.rpm
node-10.19.0-1.el7.s390x.rpm
node-10.20.0-1.el7.s390x.rpm
node-10.20.1-1.el7.s390x.rpm
node-11.15.0-1.el7.s390x.rpm
node-12.0.0-1.el7.s390x.rpm
node-12.12.0-1.el7.s390x.rpm
node-12.13.0-1.el7.s390x.rpm
node-12.13.1-1.el7.s390x.rpm
node-12.14.0-1.el7.s390x.rpm
node-12.14.1-1.el7.s390x.rpm
node-12.15.0-1.el7.s390x.rpm
node-12.16.0-1.el7.s390x.rpm
node-12.16.1-1.el7.s390x.rpm
node-12.16.2-1.el7.s390x.rpm
node-12.16.3-1.el7.s390x.rpm
node-12.17.0-1.el7.s390x.rpm
node-12.6.0-1.el7.s390x.rpm
node-12.8.1-1.el7.s390x.rpm
node-13.14.0-1.el7.s390x.rpm
node-14.1.0-1.el7.s390x.rpm
node-14.2.0-1.el7.s390x.rpm
node-14.3.0-1.el7.s390x.rpm
node-8.16.0-1.el7.s390x.rpm
node-8.16.2-1.el7.s390x.rpm
node-8.17.0-1.el7.s390x.rpm
There are also -devel RPMs for each of these. The repo is located at:
http://download.sinenomine.net/epel/epel-7/
Neale Ferguson