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Full Discussion: Who deleted crontab?
Top Forums Shell Programming and Scripting Who deleted crontab? Post 302371494 by fpmurphy on Sunday 15th of November 2009 08:20:50 AM
Old 11-15-2009
There are a number of ways of accidently deleting a crontab. Figuring out who deleted it
should not be too difficult - either it was the user or somebody with elevated privledges.
One place to start is to look at the modification time of the particular crontab spool directory
as it changes everytime the crontab is changed.

Quote:
what do we do
Either rewrite the crontab entry or restore the file from a backup.

Last edited by fpmurphy; 11-15-2009 at 09:26 AM..
 

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bcrontab(1)						      General Commands Manual						       bcrontab(1)

NAME
bcrontab - Manage users crontab files SYNOPSIS
bcrontab [ -u user ] file bcrontab [ -u user ] { -l | -r | -e } DESCRIPTION
bcrontab interfaces with the bcron-spool daemon to manage crontab files in the privileged spool directory. OPTIONS
-u user Tell bcron-spool that we are acting on behalf of the named user. bcron-spool will only accept the username if bcrontab is running as either root or the same user ID as the named user. -l List the cronab crontab to standard output. -r Remove the user's crontab. -e Edit the current crontab. ENVIRONMENT
VISUAL If this is set, it is used as the editor to invoke to edit a crontab. EDITOR If $VISUAL is not set and this is, it is used as the editor to invoke to edit a crontab. If neither are set, /bin/vi is used. BCRON_SOCKET The path to the named socket used to communicate with bcron-spool. Defaults to /var/run/bcron-spool. LOGNAME USER These two variables are used, in order, to determine the user name invoking the program. One must be set if the -u option is not used. FILES
bcrontab tries to writes a temporary file into the current directory, and then into /tmp if that fails, in order to edit the current crontab. SEE ALSO
bcron-spool(8), crontab(5) AUTHOR
Bruce Guenter <bruceg@em.ca> bcrontab(1)
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