[Ubuntu] Split large file into smaller pieces

Split file into per file 1024MB

split -b 1024M -d foo.tar.xz foo.tar.xz-

foo.tar.xz-00    1024MB

foo.tar.xz-01    1024MB

...

Merge pieces to large file

cat foo.tar.xz-* > foo.tar.xz

[Mac OS] React Native - Environment Setting

 Trouble Shooting:

% bundle install

Your Ruby version is 2.6.3, but your Gemfile specified 2.7.4

or 

Your Ruby version is 2.6.8, but your Gemfile specified 2.7.5