04-14-2014
The problem you have is at the first of the month. (day - 2) does not work when today is the 1st or 2nd. The command "date '2 days ago'" does not work with the standard Unix date command. That syntax is a part of the GNU version of date. I would recommend installing it as it seems to be 100% backwards compatible with the vanilla date command but, as you can see, adds much more functionality. It is a part of the
coreutils package from GNU. Once you have this then SriniShoo's examples should work. I like to install this and call it gdate just to make sure to keep the original date command in tact.
There is also a shell script you can find on this site written by Perderabo which also does some pretty good date handling called
datecalc. I like the GNU date a little better but, just in case you cannot install 3rd party software, datecalc is a pretty close second.
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LEARN ABOUT OPENSOLARIS
ds.log
ds.log(4) File Formats ds.log(4)
NAME
ds.log - Availability Suite data services log file
DESCRIPTION
The /var/adm/ds.log file contains the Availability Suite data services command log. The administration commands log activities to the file
in the format:
date time product: message
Note that when the size of the log file exceeds 10 Mbytes, ds.log is renamed /var/adm/ds.log.bak and a new /var/adm/ds.log file is cre-
ated.
The ds.log fields are:
date
The date format is mmm nn, where mmm is the local three-character abbreviation for the month and nn is the day of the month on which
the event occurred.
time
The time of the event, in hh:mm:ss format.
product
A product code that identifies which component of the data services produced the event. The code is separated from the message that
follows by a colon (:) and a space.
message
A message that can extend over more than one line describing the event that occurred. The second or following lines are not pre-
fixed by the date, time, and product code strings.
EXAMPLES
The example below shows sample ds.log file content:
Jan 25 05:26:17 ii: iiboot suspend cluster tag <none>
Jan 25 05:32:02 ii: iiboot resume cluster tag <none>
Jan 25 05:32:04 sv: svboot: resume /dev/vx/rdsk/bigmaster
Jan 25 05:32:04 sv: svboot: resume /dev/vx/rdsk/bigshadow
Jan 25 05:32:04 sv: svboot: resume /dev/vx/rdsk/mstvxfs
Jan 25 05:32:04 sv: svboot: resume /dev/vx/rdsk/master01
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+---------------------+---------------------------------------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+---------------------+---------------------------------------------------------+
|Architecture | x86 |
+---------------------+---------------------------------------------------------+
|Availability | SUNWscmu |
+---------------------+---------------------------------------------------------+
|Interface Stability | Committed |
+---------------------+---------------------------------------------------------+
SEE ALSO
iiadm(1M), sndradm(1M), svadm(1M), attributes(5)
SunOS 5.11 08 Jun 2007 ds.log(4)