In the file
lsf.sudoers:
LSF_STARTUP_USERS="user1 user2 user3"
LSF_STARTUP_PATH=LSF_TOP/8.0/linux2.4-glibc2.3-x86/etc
LSF_EGO_ADMIN_USER=Admin
LSF_EGO_ADMIN_PASSWD=Admin
Note: You should change the Admin user password immediately after installation using the command egosh user modify.