yum failure. [SOLVED]

[Bill Mattison]

 > For future reference.... The reason you had to execute the commands 
one by one is due to the nature of the one line command given to you.
 > The && in the one liner is a conditional. The next command in line 
will only be executed if the previous command returns an exit code of 0.
 > If you want to be assured that all commands are executed you'd 
replace the && with ;.

Thank-you, Ed.  Now that you say that, it looks curiously like the 
logical "and" used in C++ "if" and loop-control statements! :-[

Bill.