[mrobinson at turion-roch-robinson-west-com yum.repos.d]$ uname -a Linux turion-roch-robinson-west-com 3.10.0-1062.9.1.el7.x86_64 #1 SMP Fri Dec 6 15:49:49 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux Source RPM : glibc-2.17-292.el7.src.rpm I suspect that skypeforlinux is targeting a newer glibc than what CentOS 7 is running...