What conditions have to be met for LAM to be booted successfully?
For each machine that LAM is to be booted on, all of the following conditions must be met: • The machine must be reachable and operational. • The user must have an account on the machine. • The user must be able to rsh(1) (or use whatever remote shell program was defined at configure time, or whatever remote shell program is set in the the LAMRSH environment variable) to the machine (permissions typically must be set in the .rhosts file on the machine for rsh). • The LAM executables must be locatable on that machine, using the shell’s search path and possibly the LAMHOME environment variable. • The user must be able to write to /tmp. • The shell’s start-up script must not print anything on standard error. The user can take advantage of the fact that rsh/ssh/whatever will start the shell non-interactively. The start-up script can exit early in this case, before executing many commands relevant only to interactive sessions and likely to generate output. • All machines must be able to res
