Configuration Methods in Visual Studio .NET

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Configuration Methods
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When Apache is installed, configuration files are placed into the /configuration directory, whose location is defined at compile time
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Compile-time settings use the -V command-line flag Use httpd -V to see compile-time settings of your installation:
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Server version: Apache/1314 (Unix) (Red Hat/Linux)
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Server built: Mar 1 2000 13:37:34 Server's Module Magic Number: 19990320:7 Server compiled with -D EAPI -D HAVE_MMAP -D HAVE_SHMGET -D USE_SHMGET_SCOREBOARD -D USE_MMAP_FILES -D USE_FCNTL_SERIALIZED_ACCEPT -D HTTPD_ROOT="/usr" -D SUEXEC_BIN="/usr/sbin/suexec" -D DEFAULT_PIDLOG="/var/run/httpdpid" -D DEFAULT_SCOREBOARD="/var/run/httpdscoreboard" -D DEFAULT_LOCKFILE="/var/run/httpdlock" -D DEFAULT_XFERLOG="/var/log/httpd/access_log" -D DEFAULT_ERRORLOG="/var/log/httpd/error_log" -D TYPES_CONFIG_FILE="/etc/httpd/conf/mimetypes -D SERVER_CONFIG_FILE="/etc/httpd/conf/httpdconf" -D ACCESS_CONFIG_FILE="/etc/httpd/conf/accessconf" -D RESOURCE_CONFIG_FILE="/etc/httpd/conf/srmconf"
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Apache finds its settings in the configuration file httpdconf (defined by the compile-time variable SERVER_CONFIG_FILE) Override the location of the configuration file with the -f command-line flag:
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# httpd -f /etc/httpd/conf/httpd_alternateconf
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These flags are particular to Apache 1 and will change with future releases of Apache Please visit wwwapacheorg for updates
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Other httpd runtime flags include the following:
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# httpd -h Usage: httpd [-D name] [-d directory] [-f file] [-C "directive"] [-c "directive"] [-v] [-V] [-h] [-l] [-L] [-S] [-t] [-T]
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Installation and Configuration
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Most users want Apache to start automatically when the system boots Each Linux distribution has a different method of doing this; try to follow the conventions if possible Some of the RPM and DEB packages may automatically add Apache to the startup scripts; others may not On a Red Hat 62 system, the RPM will probably not set Apache to start unless it was installed at the same time as the OS To enable it at startup, use the ntsysv program This program allows the user to determine which system services should be started at boot time If the proper way to start Apache at boot time cannot be determined, try adding it to the local startup script Usually this will be found in /etc/rcd/rclocal Assuming Apache has been installed in /www, add the following entry:
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/www/apachectl start
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The majority of the Apache setup is done via the httpdconf file If Apache is running during configuration changes, certain steps must be taken for the configurations to take place These steps are outlined in the sections that follow
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Whenever the user alters the server, such as modifications in httpdconf, Apache should be restarted for the changes to take effect Apache comes with a script called apachectl that can be used for this purpose apachectl works much like the service initialization scripts that most distributions have in the /etc/ rcd/initd directory Specify stop, start, and restart to start or stop the Apache server
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Starting httpd Manually
To use apachectl, provide the path to the script Adjust the search path to make apachectl more convenient to use Use a command-line option to tell the script what to do With no options, apachectl will display the help screen as shown:
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usage: /usr/sbin/apachectl (start|stop|restart|fullstatus|status|graceful| configtest|help)
start stop restart fullstatus status graceful configtest help
start httpd stop httpd restart httpd if running by sending a SIGHUP or start if not running dump a full status screen; requires lynx and mod_status enabled dump a short status screen; requires lynx and mod_status enabled do a graceful restart by sending a SIGUSR1 or start if not running do a configuration syntax test Show this screen
fullstatus
Lynx and the mod_status module are required for fullstatus to provide a detailed description of the server status The result of the apachectl fullstatus command is as follows:
# apachectl fullstatus Apache Server Status for localhostlocaldomain Server Version: Apache/1314 (Unix) PHP/30 Server Built: Dec 4 2000 09:46:50 ________________________________________________________________ Current Time: Thursday, 28-Dec-2000 19:34:56 PST Restart Time: Thursday, 28-Dec-2000 19:34:18 PST Parent Server Generation: 0 Server uptime: 38 seconds Total accesses: 1 - Total Traffic: 2 kB CPU Usage: u01 s0 cu0 cs0 - 0263% CPU load 0263 requests/sec - 53 B/second - 2048 B/request 1 requests currently being processed, 4 idle servers _W___ Scoreboard Key: "_" Waiting for Connection, "S" Starting up, "R" Reading Request, "W" Sending Reply, "K" Keepalive (read), "D" DNS Lookup, "L" Logging, "G" Gracefully finishing, "" Open slot with no current process Srv PID Acc M CPU SS Req Conn Child Slot Client VHost Request 0-0 9886 0/1/1 _ 001 38 88 00 000 000 127001 localhostlocaldomain GET /server-status HTTP/10 1-0 9887 0/0/0 W 000 38 1191647253 00 000 000 127001 localhostlocaldomain GET /server-status HTTP/10 _________________________________________________________________