Hello @nj20200 It seems there is an older/previous version of openssl-devel package (openssl-libs-1.0.2k-19.el7.x86_64) is installed, which is causing the installation failure of new version openssl-devel package (openssl-devel-1.0.1e-60.el7.x86_64).    So instead of installing the package, update the openssl-devel package by running  "#yum update openssl-devel with -force option"  or just remove the previous package and install the new version of openssl-devel package.  ... View more