ROTATELOGS(8)                     rotatelogs                     ROTATELOGS(8)


       rotatelogs - Piped logging program to rotate Apache logs


       rotatelogs [ -l ] logfile [ rotationtime [ offset ]] | [ filesizeM ]


       rotatelogs  is  a  simple  program for use in conjunction with Apache’s
       piped logfile feature. For example:

            CustomLog "|bin/rotatelogs /var/logs/logfile 86400" common

       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 mul-
       tiple 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.

            CustomLog "|bin/rotatelogs /var/logs/logfile 5M" common

       This configuration will rotate the logfile whenever it reaches  a  size
       of 5 megabytes.

            ErrorLog "|bin/rotatelogs /var/logs/errorlog.%Y-%m-%d-%H_%M_%S 5M"

       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.


       -l (2.0.51 and later)
              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

              The path plus basename of the logfile. If logfile  includes  any
              ’%’  characters,  it  is  treated  as  a format string for strf-
              time(3). Otherwise,  the  suffix  .nnnnnnnnnn  is  automatically
              added and is the time in seconds. Both formats compute the start
              time from the beginning of the current period.

              The time between log file rotations in seconds.

       offset 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.

              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.


       The following logfile format string substitutions should  be  supported
       by  all  strftime(3)  implementations, see the strftime(3) man page for
       library-specific extensions.

       · %A - full weekday name (localized)

       · %a - 3-character weekday name (localized)

       · %B - full month name (localized)

       · %b - 3-character month name (localized)

       · %c - date and time (localized)

       · %d - 2-digit day of month

       · %H - 2-digit hour (24 hour clock)

       · %I - 2-digit hour (12 hour clock)

       · %j - 3-digit day of year

       · %M - 2-digit minute

       · %m - 2-digit month

       · %p - am/pm of 12 hour clock (localized)

       · %S - 2-digit second

       · %U - 2-digit week of year (Sunday first day of week)

       · %W - 2-digit week of year (Monday first day of week)

       · %w - 1-digit weekday (Sunday first day of week)

       · %X - time (localized)

       · %x - date (localized)

       · %Y - 4-digit year

       · %y - 2-digit year

       · %Z - time zone name

       · %% - literal ‘%’

Apache HTTP Server                2004-09-04                     ROTATELOGS(8)

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