Linux Administration Handbook, Second Edition

17.7. Exercises

E17.1	Why is a pull method of updating a local machine’s files more secure than a push method?
E17.2	Explain the following excerpt from an rdist distfile: LINUX_PASSWD = ( redhatbox debianbox susebox )passwd:    ( /etc/passwd ) -> ( ${LINUX_PASSWD} )    install /etc/passwd.rdist;    cmdspecial /etc/passwd.rdist "/usr/local/sbin/mkpasswd";
E17.3	Explain the differences between rdist and rsync. In what situations would it be better to use one than the other?
E17.4	Compare NIS and LDAP. When would you ...