Install Software Collections and GCC 8
under root:
1) yum list *release-el7*
2) yum install oracle-softwarecollection-release-el7
3) yum install devtoolset-8
4) yum-config-manager --enable ol7_optional_latest
5) yum install scl-utils
6) List of optional packages in software colllection "devtoolset-8":
yum list available devtoolset-8-\*
7) List of packages in software collection "devtoolset-8":
scl --list devtoolset-8
8) scl enable devtoolset-8 -- bash
gcc --version
8.3.1 instead of standard installed 4.8
sdmrnv [2.38ms]