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22 .TH "ROTATELOGS" 8 "2004-06-20" "Apache HTTP Server" "rotatelogs"
25 rotatelogs \- Piped logging program to rotate Apache logs
30 \fBrotatelogs\fR [ -\fBl\fR ] \fIlogfile\fR [ \fIrotationtime\fR [ \fIoffset\fR ]] | [ \fIfilesize\fRM ]
36 rotatelogs is a simple program for use in conjunction with Apache's piped logfile feature\&. For example:
40 CustomLog "|bin/rotatelogs /var/logs/logfile 86400" common
45 This creates the files /var/logs/logfile\&.nnnn where nnnn is the system time at which the log nominally starts (this time will always be a multiple of the rotation time, so you can synchronize cron scripts with it)\&. At the end of each rotation time (here after 24 hours) a new log is started\&.
49 CustomLog "|bin/rotatelogs /var/logs/logfile 5M" common
54 This configuration will rotate the logfile whenever it reaches a size of 5 megabytes\&.
58 ErrorLog "|bin/rotatelogs /var/logs/errorlog\&.%Y-%m-%d-%H_%M_%S 5M"
63 This configuration will rotate the error logfile whenever it reaches a size of 5 megabytes, and the suffix to the logfile name will be created of the form errorlog\&.YYYY-mm-dd-HH_MM_SS\&.
71 Causes the use of local time rather than GMT as the base for the interval\&. Note that using -l in an environment which changes the GMT offset (such as for BST or DST) can lead to unpredictable results!
74 The path plus basename of the logfile\&. If \fIlogfile\fR includes any '%' characters, it is treated as a format string for strftime(3)\&. Otherwise, the suffix \fI\&.nnnnnnnnnn\fR is automatically added and is the time in seconds\&. Both formats compute the start time from the beginning of the current period\&.
77 The time between log file rotations in seconds\&.
80 The number of minutes offset from UTC\&. If omitted, zero is assumed and UTC is used\&. For example, to use local time in the zone UTC -5 hours, specify a value of -300 for this argument\&.
83 The maximum file size in megabytes followed by the letter M to specify size rather than time\&. Use this parameter in place of both rotationtime and offset\&.
88 The following logfile format string substitutions should be supported by all strftime(3) implementations, see the strftime(3) man page for library-specific extensions\&.
90 .Ip "\(bu \s-1%A\s0 \- full weekday name (localized)
92 .Ip "\(bu \s-1%a\s0 \- 3-character weekday name (localized)
94 .Ip "\(bu \s-1%B\s0 \- full month name (localized)
96 .Ip "\(bu \s-1%b\s0 \- 3-character month name (localized)
98 .Ip "\(bu \s-1%c\s0 \- date and time (localized)
100 .Ip "\(bu \s-1%d\s0 \- 2-digit day of month
102 .Ip "\(bu \s-1%H\s0 \- 2-digit hour (24 hour clock)
104 .Ip "\(bu \s-1%I\s0 \- 2-digit hour (12 hour clock)
106 .Ip "\(bu \s-1%j\s0 \- 3-digit day of year
108 .Ip "\(bu \s-1%M\s0 \- 2-digit minute
110 .Ip "\(bu \s-1%m\s0 \- 2-digit month
112 .Ip "\(bu \s-1%p\s0 \- am/pm of 12 hour clock (localized)
114 .Ip "\(bu \s-1%S\s0 \- 2-digit second
116 .Ip "\(bu \s-1%U\s0 \- 2-digit week of year (Sunday first day of week)
118 .Ip "\(bu \s-1%W\s0 \- 2-digit week of year (Monday first day of week)
120 .Ip "\(bu \s-1%w\s0 \- 1-digit weekday (Sunday first day of week)
122 .Ip "\(bu \s-1%X\s0 \- time (localized)
124 .Ip "\(bu \s-1%x\s0 \- date (localized)
126 .Ip "\(bu \s-1%Y\s0 \- 4-digit year
128 .Ip "\(bu \s-1%y\s0 \- 2-digit year
130 .Ip "\(bu \s-1%Z\s0 \- time zone name
132 .Ip "\(bu \s-1%%\s0 \- literal `%'