Mercurial > hg > nginx-quic
annotate docs/man/nginx.8 @ 4034:e2c075e774b6
Cache size accounting fix: actual cache size on disk was less than
needed by sum of sizes of files loaded by worker processes themselves
while cache loader was running.
The bug has been introduced in r3900.
author | Igor Sysoev <igor@sysoev.ru> |
---|---|
date | Thu, 25 Aug 2011 17:29:34 +0000 |
parents | 6df31b324bbf |
children | d620f497c50f |
rev | line source |
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3788 | 1 .\" |
2 .\" Copyright (c) 2010 Sergey A. Osokin | |
3 .\" All rights reserved. | |
4 .\" | |
5 .\" Redistribution and use in source and binary forms, with or without | |
6 .\" modification, are permitted provided that the following conditions | |
7 .\" are met: | |
8 .\" 1. Redistributions of source code must retain the above copyright | |
9 .\" notice, this list of conditions and the following disclaimer. | |
10 .\" 2. Redistributions in binary form must reproduce the above copyright | |
11 .\" notice, this list of conditions and the following disclaimer in the | |
12 .\" documentation and/or other materials provided with the distribution. | |
13 .\" | |
14 .\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND | |
15 .\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
16 .\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
17 .\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE | |
18 .\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
19 .\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
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4000
98f9fcd3c320
Mention our preferred way of accepting bug reports.
Ruslan Ermilov <ru@nginx.com>
parents:
3800
diff
changeset
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27 .Dd August 10, 2011 |
3788 | 28 .Dt NGINX 8 |
29 .Os | |
30 .Sh NAME | |
31 .Nm nginx | |
32 .Nd "HTTP and reverse proxy server, mail proxy server" | |
33 .Sh SYNOPSIS | |
34 .Nm | |
35 .Op Fl hqtvV? | |
36 .Op Fl c Ar file | |
37 .Op Fl g Ar directives | |
38 .Op Fl p Ar prefix | |
39 .Op Fl s Ar signal | |
40 .Sh DESCRIPTION | |
41 The | |
42 .Nm | |
43 (spelled | |
44 .Dq engine x ) | |
45 is an HTTP and reverse proxy server, as well as a mail proxy server. | |
46 The | |
47 .Nm | |
48 is known for its high performance, stability, rich feature set, simple | |
49 configuration, and low resource consumption. | |
50 .Pp | |
51 The options are as follows: | |
52 .Bl -tag -width ".Fl d Ar directives" | |
53 .It Fl ?\& | h | |
54 Print help. | |
55 .It Fl c Ar file | |
56 Use an alternative configuration | |
57 .Ar file . | |
58 .It Fl g Ar directives | |
59 Set global configuration directives. | |
60 See | |
61 .Sx EXAMPLES | |
62 for details. | |
63 .It Fl p Ar prefix | |
64 Set prefix path. | |
65 Default value is | |
66 .Pa %%PREFIX%% . | |
67 .It Fl q | |
68 Suppress non-error messages during configuration testing. | |
69 .It Fl s Ar signal | |
70 Send signal to the master process. | |
71 The argument | |
72 .Ar signal | |
73 can be one of: | |
74 .Cm stop , quit , reopen , reload . | |
75 The following table shows the corresponding system signals. | |
76 .Pp | |
77 .Bl -tag -width ".It Cm reopen" -compact | |
78 .It Cm stop | |
79 .Dv SIGTERM | |
80 .It Cm quit | |
81 .Dv SIGQUIT | |
82 .It Cm reopen | |
83 .Dv SIGUSR1 | |
84 .It Cm reload | |
85 .Dv SIGHUP | |
86 .El | |
87 .It Fl t | |
88 Don't run, just test the configuration file. | |
89 The | |
90 .Nm | |
91 checks configuration for correct syntax and then tries to open files | |
92 referred in configuration. | |
93 .It Fl v | |
94 Print | |
95 .Nm | |
96 version. | |
97 .It Fl V | |
98 Print | |
99 .Nm | |
100 version, compiler version and | |
101 .Pa configure | |
102 script parameters. | |
103 .El | |
104 .Sh SIGNALS | |
105 The master process of | |
106 .Nm | |
107 can handle the following signals. | |
108 .Pp | |
109 .Bl -tag -width ".It Dv SIGINT , SIGTERM" -compact | |
110 .It Dv SIGINT , SIGTERM | |
111 Shut down quickly. | |
112 .It Dv SIGHUP | |
113 Reload configuration, start the new worker process with a new | |
114 configuration, gracefully shut down old worker processes. | |
115 .It Dv SIGQUIT | |
116 Shut down gracefully. | |
117 .It Dv SIGUSR1 | |
118 Reopen log files. | |
119 .It Dv SIGUSR2 | |
120 Upgrade | |
121 .Nm | |
122 executable on the fly. | |
123 .It Dv SIGWINCH | |
124 Shut down gracefully worker processes. | |
125 .El | |
126 .Pp | |
127 While there's no need to explicitly control worker processes normally, | |
128 they support some signals, too: | |
129 .Pp | |
130 .Bl -tag -width ".It Dv SIGINT , SIGTERM" -compact | |
131 .It Dv SIGTERM | |
132 Shut down quickly. | |
133 .It Dv SIGQUIT | |
134 Shut down gracefully. | |
135 .It Dv SIGUSR1 | |
136 Reopen log files. | |
137 .El | |
138 .Sh DEBUGGING LOG | |
139 To enable a debugging log, reconfigure | |
140 .Nm | |
141 to build with debugging: | |
142 .Pp | |
143 .Dl "./configure --with-debug ..." | |
144 .Pp | |
145 and then set the | |
146 .Cm debug | |
147 level of the | |
148 .Va error_log : | |
149 .Pp | |
150 .Dl "error_log /path/to/log debug;" | |
151 .Pp | |
152 It is also possible to enable the debugging for some IP address: | |
153 .Bd -literal -offset indent | |
154 events { | |
155 debug_connection 127.0.0.1; | |
156 } | |
157 .Ed | |
158 .Sh FILES | |
159 .Bl -tag -width indent -compact | |
160 .It Pa %%PID_PATH%% | |
161 Contains the process ID of the | |
162 .Nm | |
163 listening for connections. | |
164 The content of this file is not sensitive; it can be world-readable. | |
165 .It Pa %%CONF_PATH%% | |
166 Main configuration file. | |
167 .It Pa %%ERROR_LOG_PATH%% | |
168 Error log file. | |
169 .El | |
170 .Sh EXIT STATUS | |
171 Exit status is 0 on success, or 1 if the command fails. | |
172 .Sh EXAMPLES | |
173 .Bd -literal | |
174 nginx -t -c ~/mynginx.conf -g "pid /var/run/mynginx.pid; worker_processes 2;" | |
175 .Ed | |
176 Test configuration file | |
177 .Pa ~/mynginx.conf | |
178 with global directives for PID and quantity of worker processes. | |
179 .Sh SEE ALSO | |
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180 .\"Xr nginx.conf 5 |
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181 .\"Pp |
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182 Documentation at |
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183 .Pa http://nginx.org/ |
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184 and |
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185 .Pa http://sysoev.ru/nginx/ . |
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186 .Pp |
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187 For questions and technical support, please refer to |
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188 .Pa http://nginx.org/en/support.html . |
3788 | 189 .Sh HISTORY |
190 Development of | |
191 .Nm | |
3800 | 192 started in 2002, with the first public release on October 4, 2004. |
3788 | 193 .Sh AUTHORS |
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194 .An -nosplit |
3788 | 195 .An Igor Sysoev Aq igor@sysoev.ru |
196 .Pp | |
197 This manual page was written by | |
198 .An Sergey A. Osokin Aq osa@FreeBSD.org.ru | |
199 as a result of compilation of many | |
200 .Nm | |
201 documents all over the world. |