[SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [K] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] [X] [Y] [Z] U format code (date() function) UCASE() function ucwords() function ulimit command operating systems scalability uncompressing source code (Apache installations) underline() function underscore (_) unitialized variables UNIX Apache installing (source) starting apachectl tool installing Apache 2nd Unix installing MySQL on 2nd 3rd 4th installing PHP on, with Apache 2nd 3rd 4th 5th 6th integrating PHP with Apache on 2nd 3rd logresolve utility hostnames;resolving UNIX mod ssl module installing SSL OpenSSL library installing Unix rotatelogs programs logs (rotating) syslog daemon errors;logging logging errors tail command-line utility error logs;monitoring Unix epoch UNIX TIMESTAMP() function unlink() function file deletion unsigned data types unsubscribe requests 2nd 3rd 4th 5th 6th 7th 8th 9th 10th 11th 12th 13th unzipper UPDATE command 2nd 3rd 4th 5th 6th 7th 8th 9th 10th UPDATE statement 2nd uptime status variable URLs directives appplying USAGE command user input calendar example 2nd 3rd 4th 5th HTML forms accessing from multiple SELECT elements 2nd 3rd 4th 5th receiving 2nd 3rd 4th user login form 2nd 3rd 4th user management database file-based access control authentication 2nd functions authentication modules user mangement file-based authentication user table User-Agent header user-created functions user-defined functions values, returning 2nd 3rd usernames basic authentication storing user management;client authentication users adding 2nd 3rd 4th 5th 6th 7th database file-based access control authentication 2nd deleting database file-based access control authentication lists Require directive management client authentication ownership verifying redirecting (forms) 2nd root non root users running MySQL as, stopping root users MySQL running as users file backend storage file-based authentication utilities gzip Apache source code;uncompressing htpasswd user password files;managing htpasswd.exe user password files;managing logresolve utility hostnames;resolving logresolve.exe utility hostnames;resolving make Apache;building openssl.exe OpenSSL library rotatelogs utility logging program tail command-line error logs;monitoring (Unix) |