09-18-2013
Tring to locate a script
Hello,
We have a process on our Linux RedHat machine creating symbolic links and moving around some files from domain to domain. The issue is that the programmer has left a long time ago and nobody knows how the program is called, where it is and how the scheduling is setup. It runs every day for sure. I've been trying to find out for hours now, we have no documentation nor notes or emails left after all these years and I really need to change the script. I know it exists for a fact.
All links are created using the root user so I looked up all crontab entries for root but I couldn't find anything relevant. We do have autosys installed as well and there also I couldn't find anything helping my search. I checked the applications installed on the machine since they are running their own servers and scheduled processes (scripts can be kicked off this way) but I´m fairly convinced it´s all on the Linux side, knowing the developer was an expert shell programmer.
To make things easier, our OS support (I´m from the applicatin side although with privileged access) say that they cannot help us.
Does any of you have the slightest idea about what I could check because I´ve run out of ideas. Are all crontab entries supposed to be stored in the /var/spool/cron against the user? I checked anacron and at as well. As for autosys we have all the jobs listed and I checked that none of the scripts were calling external programs.
I'm stuck with this crap, is any of you aware of any other ways to find out that kind of information?
Thanks by advance
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ypxfr(1M) System Administration Commands ypxfr(1M)
NAME
ypxfr, ypxfr_1perday, ypxfr_1perhour, ypxfr_2perday - transfer NIS map from a NIS server to host
SYNOPSIS
/usr/lib/netsvc/yp/ypxfr [-c] [-f] [ -C tid prog server] [-d ypdomain] [-h host] [-s ypdomain] mapname
DESCRIPTION
The ypxfr command moves an NIS map in the default domain for the local host to the local host by making use of normal NIS services. It
creates a temporary map in the directory /var/yp/ypdomain (this directory must already exist; ypdomain is the default domain for the local
host), fills it by enumerating the map's entries, fetches the map parameters (master and order number), and loads them. It then deletes any
old versions of the map and moves the temporary map to the real name.
If run interactively, ypxfr writes its output to the terminal. However, if it is started without a controlling terminal, and if the log
file /var/yp/ypxfr.log exists, it appends all its output to that file. Since ypxfr is most often run from the privileged user's crontab
file, or by ypserv, the log file can retain a record of what was attempted, and what the results were.
For consistency between servers, ypxfr should be run periodically for every map in the NIS data base. Different maps change at different
rates: a map might not change for months at a time, for instance, and can therefore be checked only once a day. Some maps might change sev-
eral times per day. In such a case, you might want to check hourly for updates. A crontab(1) entry can be used to automatically perform
periodic updates. Rather than having a separate crontab entry for each map, you can group commands to update several maps in a shell
script. Examples (mnemonically named) are in /usr/sbin/yp: ypxfr_1perday, ypxfr_2perday, and ypxfr_1perhour.
Refer to ypfiles(4) for an overview of the NIS name service.
OPTIONS
-c Do not send a "Clear current map" request to the local ypserv process. Use this flag if ypserv is not running
locally at the time you are running ypxfr. Otherwise, ypxfr complains that it cannot communicate with the local
ypserv, and the transfer fails.
-f Force the transfer to occur even if the version at the master is not more recent than the local version.
-C tid prog server This option is for use only by ypserv. When ypserv starts ypxfr, it specifies that ypxfr should call back a yppush
process at the host server, registered as program number prog, and waiting for a response to transaction tid.
-d ypdomain Specify a domain other than the default domain.
-h host Get the map from host, regardless of the master. If host is not specified, ypxfr asks the NIS service for the name
of the master, and tries to get the map from there. host must be a valid host name.
-s ypdomain Specify a source domain from which to transfer a map that should be the same across domains.
FILES
/var/yp/ypxfr.log Log file
/usr/lib/netsvc/yp/ypxfr_1perday Script to run one transfer per day, for use with cron(1M)
/usr/lib/netsvc/yp/ypxfr_2perday Script to run two transfer per day, for use with cron(1M)
/usr/lib/netsvc/yp/ypxfr_1perhour Script for hourly transfers of volatile maps
/var/yp/ypdomain NIS domain
/usr/spool/cron/crontabs/root Privileged user's crontab file
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
ypxfr Only
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Availability |SUNWnisu |
+-----------------------------+-----------------------------+
ypxfr_1perday, ypxfr_1perhour, and ypxfr_2perday
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Availability |SUNWypu |
+-----------------------------+-----------------------------+
SEE ALSO
crontab(1), cron(1M), ypinit(1M), yppush(1M), ypserv(1M), ypfiles(4), attributes(5)
SunOS 5.10 11 Mar 1998 ypxfr(1M)