07-23-2013
Questions about cronjobs often arise; because of this there is a Q&A article here in the forum that explains it all in detail:
cron and crontab
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1. UNIX for Advanced & Expert Users
Hi all,
A friend of mine accidently erased all crontab entries by typing crontab -r.
Can anyone pls. help me on this.
Is it possible that a backup file is available other than files from the backup tape. Or is it retrievable ???
Thnx,
MK (6 Replies)
Discussion started by: minazk
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Hi!
I'm a bit noob on Unix/Linux world, so sorry any lame question i may make...
Oh.. and my english too.. is not so famous lol..
The deal is to use crontab to change my admin password every weak to something like "mypasswordcurrrentday" that is... i want evey weak to change my password but... (2 Replies)
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Hey guys
Just need some help with crontab.Iam looking for a script that will alert particular user about its change through sendmail.We are using bash here.
--CoolKid (3 Replies)
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Hi Friends,
I need to change crontab entries in prod.
$crontab -l -> using this i can see the entries only
Plese tell me how to edit this crontab and how to change the entires
Waiting for ......
Thanks In advance friends
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hi guys. can someone tell me what will happen if there are two identical crontab entry for an application. For example
03 23 * * 1 /usr/vt/crondemo
03 23 * * 1 /usr/vt/crondemo
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6. Shell Programming and Scripting
Hi All,
I have scheduled a script to run every five minutes through crontab. If there is any issue with the script which may need manual intervention, I have used the mailx commands. But at the same time, I would want the cron to be disabled until the issue is resolved. Once things are fine,... (2 Replies)
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Hi friends,
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I have created a shell script "abcd.sh" and script should run after every 10 min., For that I will create below entry in the crontab file by using command crontab -e
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Hi,
We are currently running AIX 6.1 TL4. There are around 30 ksh scripts that are ran from crontab which if an error occurs or a problem with an ftp unix sends the out of the ksh script which goest to our console via the local user hci which is viewed by the mail command. I've tired adding... (2 Replies)
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10. Red Hat
Hi,
1. How can I list all the crontab entries of all system users (like root, adm, sys etc.) as we have multiple files like /etc/crontab , /var/spool/cron, /etc/cron.d, /etc/cron.daily, /etc/cron.hourly, /etc/cron.monthly etc.
2. How can I list all the crontab entries of ALL users on a... (1 Reply)
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LEARN ABOUT DEBIAN
bcrontab
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)