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tashiy
n00b
Joined: 14 May 2012
Posts: 3
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 Posted: Mon May 14, 2012 9:11 am Post subject: Cron can`t use links in /etc/cron.d/ |
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Hi all
I`m getting the following errors, when I link files in /etc/cron.d/
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[ root@HOSTNAME: cron.d ] /etc/init.d/vixie-cron restart ; tail -f /var/log/cron
--> Stopping vixie-cron ... [ ok ]
--> Starting vixie-cron ... [ ok ]
May 11 17:13:22 HOSTNAME cron[7548]: (*system*) CAN'T OPEN (/etc/cron.d/3ware_cron_jobs)
May 11 17:13:22 HOSTNAME cron[7548]: (*system*) CAN'T OPEN (/etc/cron.d/baruwa_cron_jobs)
May 11 17:13:22 HOSTNAME cron[7548]: (*system*) CAN'T OPEN (/etc/cron.d/clamav-unofficial-sigs-cron)
May 11 17:13:22 HOSTNAME cron[7548]: (*system*) CAN'T OPEN (/etc/cron.d/imap_spam_report_cron_jobs)
May 11 17:13:22 HOSTNAME cron[7548]: (*system*) CAN'T OPEN (/etc/cron.d/mailscanner_cron_jobs)
May 11 17:13:22 HOSTNAME cron[7548]: (*system*) CAN'T OPEN (/etc/cron.d/mailwatch_cron_jobs)
May 11 17:13:22 HOSTNAME cron[7548]: (*system*) CAN'T OPEN (/etc/cron.d/observium_cron_jobs)
May 11 17:13:22 HOSTNAME cron[7548]: (*system*) CAN'T OPEN (/etc/cron.d/rsyslog)
May 11 17:13:22 HOSTNAME cron[7548]: (*system*) CAN'T OPEN (/etc/cron.d/rsyslog_crontabs)
May 11 17:13:22 HOSTNAME cron[7548]: (*system*) CAN'T OPEN (/etc/cron.d/sysusage_cron_jobs)
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File permissions:
| Code: |
[ root@HOSTNAME: cron.d ] ls -lh
total 24K
lrwxrwxrwx 1 root root 25 Jan 11 2011 3ware_cron_jobs -> /etc/3dm2/3ware_cron_jobs
lrwxrwxrwx 1 root root 42 Dec 8 2010 baruwa_cron_jobs -> /etc/MailScanner/_scripts/baruwa_cron_jobs
-rw-r--r-- 1 root root 213 May 11 16:42 cacti
lrwxrwxrwx 1 root root 55 Dec 8 2010 clamav-unofficial-sigs-cron -> /etc/clamav-unofficial-sigs/clamav-unofficial-sigs-cron
lrwxrwxrwx 1 root root 56 Dec 29 2010 imap_spam_report_cron_jobs -> /etc/postfix/imap_spam_report/imap_spam_report_cron_jobs
lrwxrwxrwx 1 root root 47 Dec 8 2010 mailscanner_cron_jobs -> /etc/MailScanner/_scripts/mailscanner_cron_jobs
lrwxrwxrwx 1 root root 45 Dec 30 2010 mailwatch_cron_jobs -> /etc/MailScanner/_scripts/mailwatch_cron_jobs
-rw-r--r-- 1 root root 389 May 11 16:42 monitorix
-rw-r--r-- 1 root root 170 May 11 16:42 mosshe
-rw-r--r-- 1 root root 1.2K May 11 16:42 munin
lrwxrwxrwx 1 root root 45 Dec 30 2010 observium_cron_jobs -> /etc/MailScanner/_scripts/mailwatch_cron_jobs
-rw-r--r-- 1 root root 209 May 11 16:42 postfix_recipients_mgmt
lrwxrwxrwx 1 root root 12 Feb 1 2011 rsyslog -> /etc/rsyslog
lrwxrwxrwx 1 root root 38 Feb 1 2011 rsyslog_crontabs -> /etc/rsyslog/_scripts/rsyslog_crontabs
-rw-r--r-- 1 root root 325 May 11 16:42 sendmailanalyzer
lrwxrwxrwx 1 root root 41 Feb 16 2011 sysusage_cron_jobs -> /etc/sysusage/_scripts/sysusage_cron_jobs
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Any Ideas what`s wrong?
Kind Regards
Tashiy |
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massimo
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Joined: 22 Jun 2003
Posts: 1226
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| Posted: Mon May 14, 2012 11:29 am Post subject: |
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It simply just does not work with symbolic links (in /etc/cron.d/). Maybe something which would be worth mentioning in the man-page/documentation.
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tashiy
n00b
Joined: 14 May 2012
Posts: 3
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| Posted: Mon May 14, 2012 3:19 pm Post subject: |
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Thanks for your reply. But I`m really shure this works in the past.
Also when I search the internet I find many articles that its a common way to create symlinks in /etc/cron.d/ like in this Ubuntu Manpage: http://manpages.ubuntu.com/manpages/oneiric/man8/cron.8.html |
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massimo
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Joined: 22 Jun 2003
Posts: 1226
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| Posted: Mon May 14, 2012 7:39 pm Post subject: |
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There are different cron daemons out there [1]. Looking at the vixie-cron sources I would say it's not possible to use symbolic links in that directory. The one from Ubuntu seems to be patched.
[1] Gentoo Cron Guide
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tashiy
n00b
Joined: 14 May 2012
Posts: 3
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| Posted: Wed May 16, 2012 8:23 am Post subject: |
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| Thanks for your investigation! Then we have to do it the other way around and put the scripts directly into /etc/cron.d/ |
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Hello71
n00b
Joined: 17 May 2012
Posts: 35
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| Posted: Thu May 17, 2012 1:19 am Post subject: |
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| You could of course use a hard link instead of a symbolic link. |
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