People who have admin rights will be able to do it.
Ordinary users are out of business now (the “libtbb” library is NOT installed by default, even on desktop machines).
Please add libtbb-dev to dependancies at Dependencies - ROOT
It is a new dependancy/requirement with ROOT v6.30.something and documentation should be updated to reflect that. Thanks in advance. K.O.
(that I rarely write on the forum and unlike Mr.Coyote I do not have 25 gold stars and/or purple pants is a reflection on the high quality of ROOT. I was more active during the ROOT v2 and v3 days, before this forum existed).