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vlogger - Online in the Cloud

Run vlogger in OnWorks free hosting provider over Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator

This is the command vlogger that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator

PROGRAM:

NAME


vlogger - flexible log rotation and usage tracking in perl

SYNOPSIS


vlogger [OPTIONS]... [LOGDIR]

DESCRIPTION


Vlogger is designed to make webserver log rotation simple and easy to manage. It deals
with VirtualHost logs automatically, so only one directive is required to manage all hosts
on a webserver. Vlogger takes piped output from Apache or another webserver, splits off
the first field, and writes the logs to logfiles in subdirectories. It uses a filehandle
cache to avoid resource limitations. It will start a new logfile at the beginning of a
new day, and optionally start new files when a certain filesize is reached. It can
maintain a symlink to the most recent log for easy access. Optionally, host parsing can
be disabled for use in ErrorLog directives.

To use vlogger, you need to add a "%v" to the first part of your LogFormat:

LogFormat "%v %h %l %u %t \"%r\" %>s %b \"%{Referer}i\" \"%{User-Agent}i\"" combined

Then call it from a customlog:

CustomLog "⎪ /usr/sbin/vlogger -s access.log -u www-logs -g www-logs /var/log/apache"
combined

OPTIONS


Options are given in short format on the command line.

-a Do not autoflush files. This may improve performance but may break logfile
analyzers that depend on full entries in the logs.

-e ErrorLog mode. In this mode, the host parsing is disabled, and the file is
written out using the template under the specified LOGDIR.

-n Disables rotation. This option disables rotation altogether.

-f MAXFILES Maximum number of filehandles to keep open. Defaults to 100. Setting
this value too high may result in the system running out of file descriptors. Setting it
too low may affect performance.

-u UID Change user to UID when running as root.

-g GID Change group to GID when running as root.

-t TEMPLATE Filename template using Date::Format codes. Default is
"%m%d%Y-access.log", or "%m%d%Y-error.log". When using the -r option, the default becomes
"%m%d%Y-%T-access.log" or "%m%d%Y-%T-error.log".

-s SYMLINK Specifies the name of a symlink to the current file.

-r SIZE Rotate files when they reach SIZE. SIZE is given in bytes.

-d CONFIG Use the DBI usage tracker.

-h Displays help.

-v Prints version information.

DBI USAGE TRACKER


Vlogger can automatically keep track of per-virtualhost usage statistics in a
database. DBI and the relevant drivers (eg. DBD::mysql) needs to be installed for
this to work. Create a table in your database to hold the data. A "mysql_create.sql"
script is provided for using this feature with MySQL. Configure the dsn, user, pass
and dump values in the vlogger-dbi.conf file. The "dump" parameter controls how often
vlogger will dump its stats into the database (the default is 30 seconds). Copy this
file to somewhere convienient on your filesystem (like /etc/apache/vlogger-dbi.conf) and
start vlogger with "-d /etc/apache/vlogger-dbi.conf". You might want to use this feature
to easily bill customers on a daily/weekly/monthly basis for bandwidth usage.

Use vlogger online using onworks.net services


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