Log on to the server using ldap

Use ldap to log on to the server and install libnss-ldap, sudo apt-get install libnss-ldap, and modify/etc/ldap. conf, such as base dc = imd, dc = comuri ldap: // ldap.prod.i-md.com/ldap_version 3pam_login_attribute uidpam_lookup_policy using nopam_password between ou = People, dc = imd, dc = comnss_base_shadow ou = People, dc = imd, dc = comnss_base_group ou = Group, dc = imd, dc = comnss_initgroups_ignoreusers backup, bin, daemon, ftp, games, gnats, irc, libuuid, list, lp, mail, man, messagebus, news, postfix, proftpd, proxy, root, sshd, statd, sync, sys, syslog, uucp, www-data. In addition, the home directory must be automatically created after logon, only in/etc/pam. d/common-account: session required pam_mkhomedir.so skel =/etc/skel/umask = 0022