#install ldap 1. install BerkeleyDB.4.6 2. add /usr/local/BerkeleyDB.4.6/lib to /etc/ld.so.conf, then execute ldconfig 3. env CPPFLAGS="-I/usr/local/BerkeleyDB.4.6/include" LDFLAGS="-L/usr/local/BerkeleyDB.4.6/lib"  ./configure --prefix /usr/local/openldap 4. make depend 5. make 6. make install 7. go to /usr/local/openldap/libexec execute ./slapd 8. ps -aux | grep slapd verify LDAP server is up #install ldap browser #for error:Can't connect to X11 windo