Annotation of embedaddon/spawn-fcgi/spawn-fcgi.1, revision 1.1
1.1 ! misho 1: .TH spawn-fcgi 1 "26 March 2009"
! 2: .
! 3: .SH NAME
! 4: .
! 5: spawn-fcgi \- Spawns FastCGI processes
! 6: .
! 7: .SH SYNOPSIS
! 8: .
! 9: .B spawn-fcgi
! 10: [options] [ -- <fcgiapp> [fcgi app arguments]]
! 11: .P
! 12: .B spawn-fcgi
! 13: \-v
! 14: .P
! 15: .B spawn-fcgi
! 16: \-h
! 17: .
! 18: .SH DESCRIPTION
! 19: .
! 20: \fIspawn-fcgi\fP is used to spawn remote and local FastCGI processes.
! 21: .P
! 22: While it is obviously needed to spawn remote FastCGI backends (the web server
! 23: can only spawn local ones), it is recommended to spawn local backends
! 24: with spawn-fcgi, too.
! 25: .P
! 26: Reasons why you may want to use spawn-fcgi instead of something else:
! 27: .IP * 3
! 28: Privilege separation without needing a suid-binary or running a server as root.
! 29: .IP * 3
! 30: You can restart your web server and the FastCGI applications without restarting the others.
! 31: .IP * 3
! 32: You can run them in different chroot()s.
! 33: .IP * 3
! 34: Running your FastCGI applications doesn't depend on the web server you are running,
! 35: which allows for easier testing of other web servers.
! 36: .
! 37: .SH OPTIONS
! 38: .
! 39: \fIspawn-fcgi\fP accepts the following options:
! 40: .TP 8
! 41: .B \-f <path>
! 42: Filename of the FastCGI application to spawn. This option is deprecated and it
! 43: is recommend to always specify the application (absolute path) and its parameters after "--";
! 44: the fcgiapp parameter is directly used for the exec() call, while for starting the binary given
! 45: with \-f /bin/sh is needed (which may not be available in a chroot).
! 46: .IP
! 47: This option is ignored if fcgiapp is given.
! 48: .TP 8
! 49: .B \-d <path>
! 50: Change the current directory before spawning the application.
! 51: .TP 8
! 52: .B \-a <address>
! 53: IPv4/IPv6 address to bind to; only used if \-p is given too. Defaults to "0.0.0.0" (IPv4).
! 54: .TP 8
! 55: .B \-p <port>
! 56: TCP port to bind to; you cannot combine this with the \-s option.
! 57: .TP 8
! 58: .B \-s <path>
! 59: Path to the Unix domain socket to bind to; you cannot combine this with the \-p option.
! 60: .TP 8
! 61: .B \-C <children>
! 62: (PHP only) Number of children to spawn by setting the PHP_FCGI_CHILDREN
! 63: environment variable. Default is not to overwrite the environment variable;
! 64: php will spawn no children if the variable is not set (same as setting it to 0).
! 65: .TP 8
! 66: .B \-F <children>
! 67: Number of children to fork, defaults to 1. This option doesn't work with \-n,
! 68: have a look at
! 69: .BR multiwatch(1)
! 70: if you want to supervise multiple forks on the same socket.
! 71: .TP 8
! 72: .B \-P <path>
! 73: Name of the PID file for spawned processes (ignored in no-fork mode)
! 74: .TP 8
! 75: .B \-n
! 76: No forking should take place (for daemontools)
! 77: .TP 8
! 78: .B \-M <mode>
! 79: Change file mode of the Unix domain socket; only used if \-s is given too.
! 80: .TP 8
! 81: .B \-?, \-h
! 82: General usage instructions
! 83: .TP 8
! 84: .B \-v
! 85: Shows version information and exits
! 86: .P
! 87: .
! 88: The following options are only available if you invoke spawn-fcgi as root:
! 89: .TP 8
! 90: .B \-c <directory>
! 91: Chroot to specified directory; the Unix domain socket is created inside the chroot unless \-S is given.
! 92: .TP 8
! 93: .B \-S
! 94: Create Unix domain socket before chroot().
! 95: .TP 8
! 96: .B \-u
! 97: User ID to change to.
! 98: .TP 8
! 99: .B \-g
! 100: Group ID to change to. Defaults to primary group of the user given for \-u.
! 101: .TP 8
! 102: .B \-U
! 103: Change user of the Unix domain socket, defaults to the value of \-u. (only used if \-s is given)
! 104: .TP 8
! 105: .B \-G
! 106: Change group of the Unix domain socket, defaults to the primary group of the user given for \-U;
! 107: if \-U wasn't given, defaults to the value of \-g. (only used if \-s is given)
! 108: .
! 109: .SH "SEE ALSO"
! 110: .
! 111: .BR svc(8),
! 112: .BR supervise(8),
! 113: see http://cr.yp.to/daemontools.html
! 114: .P
! 115: .BR multiwatch(1),
! 116: see http://cgit.stbuehler.de/gitosis/multiwatch/about/
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