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Upgrade information for the Webalizer Version 2.01

If you are using incremental mode, the data format for Version 2.01 is incompatable with previous versions, so you should remove your data file (webalizer.current) and re-process from the beginning of the month to recreate it. If you do not use incremental mode, then V2.00 should be a drop in replacement for 1.3x-xx, with the possible exception of the two changed command line switches, -g and -F. In addition, there has been a number of new configuration keywords and command line options added. Please see the CHANGES file for additional information regarding what has changed between versions. You may also want to take a look at the DNS.README file for information on the new reverse DNS lookup capabilities.


* NOTICE! *
*********** Version 1.30 and higher are INCOMPATABLE with any and all previous versions of this program. File names have been changed, and file formats have been modified. If you are upgrading from a previous version, please read this ENTIRE DOCUMENT before you proceed, as it contains important information that you will need.

Note: If you plan on re-processing all of your logs so they will contain the new statistics, you can safely ignore the rest of this document (although you really should read it anyway...).

QUICK UPGRADE INSTRUCTIONS:

  1. If you use incremental mode, read the section below, then delete your current incremental data file (webalizer.current).
  2. Modify your history file (webalizer.hist) as described below.
  3. Add any new configuration options that you want to your configuration file(s). (See sample.conf for examples)
  4. Rename existing files to use 4 digit year (see below).
  5. Re-process your logs from beginning of the month (minimum).

INCREMENTAL PROCESSING CHANGE

The incremental file format has changed, therefore you MUST REMOVE your current incremental file before running this version. Doing so will also force you to re-process all logs from the beginning of the month, so if you have a large site, you may want to wait until the end/beginning of the month to perform the upgrade.

HISTORY FILE CHANGE

The history file format changed as well. In order to use your existing history file, you must manually edit it to add two additional numbers to the end of each line. These numbers represent the total 'pages' and 'visits' for that particular month. You can do this using any standard text editor.

For example, if your existing history file looks like:

3 1999 56614 24758 234 180875 5 31
4 1999 156711 90240 1529 931048 1 30

You should change it to look like:

3 1999 56614 24758 234 180875 5 31 0 0
4 1999 156711 90240 1529 931048 1 30 0 0

Notice the extra two zeros ('0') at the end of each line. There will be at most 12 lines for you to change. You could of course put some fake values (or real ones if you have them) and they will show up on the main index page. If you have access to a unix command prompt and sed, you could also simply type:

cat webalizer.hist | sed "s/$/ 0 0/g" > webalizer.hist.tmp mv webalizer.hist.tmp webalizer.hist

For those curious, the format of the history line is: Month Year Hits Files Sites KBytes Fdom Ldom Pages Visits (Fdom=First Ldom=Last day of month processed)

Note: It may be possible to leave your existing history file in place, and the first run with the new version will convert it to the new format. It works on my linux system, it may not work on yours... It depends on how your particular platform handles the missing data. Probably better to not chance it ;)

CONFIGURATION FILE CHANGES

Several new configuration and command line options have been added. The default values for these should be suitable for most users, however you might want to at least define the PageType extensions for your particular system (default is to use '.htm*' and '.cgi' extensions). You should refer to the CHANGES file to see what has been changed/added. See the files README and sample.conf for additional details.

GENERATED FILE NAME CHANGES

Previous versions of the Webalizer created html and image files using a format that included the month and year as two digit strings (ie: 0399). Even though the filenames themselves were only for humans, the Y2K scare has people freaked out over such behaviour, and I'm tired of getting all the email about it :) As a result, any existing files need to be renamed to include the extra two digits. The old format was MMYY, new format is YYYYMM (and now they will sort correctly in directory listings :) For example, change the file "usage_0599.html"to "usage_199905.html". Image files for previous months do not need to be changed unless you change the links in the previous month HTML pages as well. The current month files will be automatically generated with the correct names.

Mike Glover submitted this little shell script that helps automate the updating of files/filenames:

------------------------ CUT HERE ------------------------ #!/bin/sh
#
# Mike Glover
# mpg4@duluoz.net
#
# fixalizer.sh -- automatically upgrade webalizer data files

START=`pwd`

#for each domain...
while [ "$1" ]; do
DOM=$1
echo "Updating $DOM"
cd $DOM

# we don't use incremental mode, so don't worry about it

# modify the history files
cat webalizer.hist | sed "s/$/ 0 0/g" > tempfile mv tempfile webalizer.hist

# don't worry about new configuration options

# rename existing files to use 4 digit year. for ENT in *usage_; do
#fixes most names
NEW=`echo $ENT | sed 's/\(^.
_\)\([0-9]\{2\}\)\([0-9]\{1,2\}\)/\119\3\2/g'` #pesky y2k names need repairs
NEW2=`echo $NEW | sed 's/\(^.*_\)\(190\)\([0-9]\{2\}\)/\12000\3/g'` mv $ENT $NEW2
done

# next iteration
cd $START
shift
done
------------------------ CUT HERE ------------------------

---------------------------------------------------------------------

The remainder of this document contains the prior V1.22 upgrade info. This should only be of interest to those who are upgrading from older versions of the software and need to see those changes as well.



Upgrade Information for Webalizer V1.21 and higher

Some significant changes have occured between V1.20 and V1.21 of the Webalizer. Additional configuration keywords have been added and incremental processing has been modified. Due to these changes, the following must be observed:

Old incremental data files are no longer compatable with the new version. Remove any existing incremental data files before running the new version. This version also adds the ability to define the name and location of the incremental data file. It will default to the normal name and location (webalizer.current in the specified output directory), however can be changed to an alternate location. See "IncrementalName" and "HistoryName" configuration directives. Note: you may check existing data files by looking at the first line of the file... if it doesn't start with "# Webalizer ", then it is an old style file and needs to be removed.

The configuration file has changed, however the only significant difference is the definition of the HTMLHead keyword, which has been changed in this version. If you were using the HTMLHead keyword in previous versions, change it to "HTMLBody", in order to have it work as expected (as in previous versions). See the README file for additional information.


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