Bareos 18.2 fails to install on Centos 6.x due to a lower version of glibc (12.2 in centos6, 12.4 ships with Centos7)
--> Finished Dependency Resolution
Error: Package: bareos-filedaemon-18.2.5-144.1.el7.x86_64 (bareos_bareos-18.2)
Requires: libc.so.6(GLIBC_2.14)(64bit)
Error: Package: bareos-common-18.2.5-144.1.el7.x86_64 (bareos_bareos-18.2)
Requires: libc.so.6(GLIBC_2.14)(64bit)
Error: Package: bareos-common-18.2.5-144.1.el7.x86_64 (bareos_bareos-18.2)
Requires: libstdc++.so.6(GLIBCXX_3.4.14)(64bit)
Error: Package: bareos-common-18.2.5-144.1.el7.x86_64 (bareos_bareos-18.2)
Requires: libstdc++.so.6(GLIBCXX_3.4.15)(64bit)
Error: Package: bareos-filedaemon-18.2.5-144.1.el7.x86_64 (bareos_bareos-18.2)
Requires: libstdc++.so.6(GLIBCXX_3.4.14)(64bit)
Error: Package: libfastlz-0.1-14.3.el7.x86_64 (bareos_bareos-18.2)
Requires: libc.so.6(GLIBC_2.14)(64bit)
You could try using --skip-broken to work around the problem
You could try running: rpm -Va --nofiles --nodigest