ssh and sudo

[John E Hein]

JoJo Almario wrote at 16:43 -0400 on Aug 21:
 > I am using sudo v.1.6.3p7 on red hat Linux 7.0.  My problem is whenever
 > I try to sudo up while using ssh remotely it won't  let me.  I have
 > checked setups and compared on other servers in my LAN that are using
 > the same setup, but can find no discrepancies.  I am new to Linux and to
 > Sudo.  Any help appreciated.

What exactly is the sequence of commands that is failing?
Error messages?