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... Directives | ... Apache HTTP Server Version 2.2 . Apache > HTTP Server > Documentation > Version 2.2 > Programs . ... httpd is the Apache HyperText Transfer Protocol (HTTP) server program. ... Starting Apache . ... Configuration Files . ... httpd [ - d serverroot ] [ - f config ] [ - C directive ] [ - c directive ] [ - D parameter ] [ - e level ] [ - E file ] [ -k start|restart|graceful|stop|graceful-stop ] [ - R directory ] [ - h ] [ - l ] [ - L ] [ - S ] [ - t ] [ - v ] [ - V ] [ - X ] [ - M ] . ...

This document explains some of the directives provided by the core server which are used to configure the basic operations of the server. ... Process Creation . Network Configuration . ... User . ... A single control process is responsible for launching child processes which listen for connections and serve them when they arrive. ... The User and Group directives are used to set the privileges of the Apache child processes. ... The child process creates multiple threads to serve requests. ...

... Apache HTTP Server Version 2.4 . Apache > HTTP Server > Documentation > Version 2.4 > Programs . ... htcacheclean is used to keep the size of mod_cache_disk 's storage within a given size limit, or limit on inodes in use. ... If one or more URLs are specified, each URL will be deleted from the cache, if present. ... Specify limit as the total disk cache size limit. ... By passing the -a or -A options to htcacheclean , the URLs within the cache will be listed as they are found, one URL per line. ...

... Sending/receiving data to/from an XPA access point is easy: you generally only need to call the XPAGet() or XPASet() subroutines. #include xpa .h int XPAGet ( XPA xpa , char *template, char *paramlist, char *mode, char **bufs, size_t *lens, char ** names , char ** messages , int n); int XPASet ( XPA xpa , char *template, char *paramlist, char *mode, ... Retrieve data from one or more XPA servers whose class:name identifier matches the specified template. ...