Hello Matthew,
Thank you for taking the time explaining it to me!
Rick
Friday, August 22, 2003, 7:41:59 PM, you wrote:
MS On Fri, Aug 22, 2003 at 07:18:16PM +0200, Rick Hoekman wrote:
I am getting this message every 5 minutes. Can somebody explain to me
why root apparently is not found here?
X-Original-To: [EMAIL PROTECTED]
Delivered-To: [EMAIL PROTECTED]
From: [EMAIL PROTECTED] (Cron Daemon)
To: [EMAIL PROTECTED]
Subject: Cron [EMAIL PROTECTED] root /usr/libexec/atrun
X-Cron-Env: SHELL=/bin/sh
X-Cron-Env: PATH=/etc:/bin:/sbin:/usr/bin:/usr/sbin
X-Cron-Env: HOME=/root
X-Cron-Env: LOGNAME=root
X-Cron-Env: USER=root Date: Fri, 22 Aug
2003 19:05:00 +0200 (CEST) root: not found
MS You've made the classic mistake of confusing the system crontab
MS (/etc/crontab) and the user specific crontabs that live in
MS /var/cron/tabs. These are quite different files.
MS The system crontab /etc/crontab is not user specific: thus it has an
MS extra column defining which user ID the command should be run as. In
MS general you shouldn't need to touch this file at all -- it's where
MS standard stuff like the 'at' queue, newsyslog and the
MS daily/weekly/monthly periodic functions are run from. If you must
MS alter this file, just edit it directly: cron(8) will pick up the
MS changes in a minute or so. In particular you do not need to use
MS crontab(1) to manage this file.
MS The per-user crontabs are what you would expect if you're familiar
MS with the SysV or Linux style cron(8) daemon. Each user has their own
MS crontab file, which is managed using the crontab(1) command. In
MS general it's a good policy to use the per-user crontab stuff to add
MS any new cron jobs for any user (including root) and leave the system
MS /etc/crontab in it's default state.
MS The error you're seeing suggests to me that what you've done is run
MS crontab(1) on /etc/crontab, and the extra column containing the userid
MS is being interpreted as a command that cron should run. However,
MS there is no command 'root', hence the error message. To fix, make
MS sute that /etc/crontab contains the default contents by copying over
MS /usr/src/etc/crontab or running mergemaster(1). Backup and delete the
MS root crontab you've generated:
MS # crontab -l -u root /tmp/root.crontab
MS # crontab -r -u root
MS Now, if root.crontab contains substantively the same as /etc/crontab,
MS you're done. Otherwise, if you need to add some extra root cron jobs,
MS edit /tmp/root.crontab to strip out the default stuff, leaving only
MS you extra jobs. Don't put a username in column 6 of the file: rather
MS that should be the last column and contain the command to run, as per
MS crontab(5). Once edited to your liking load the new crontab file into
MS the system:
MS # vi /tmp/root.crontab
MS # crontab -u root /tmp/root.crontab
MS Cheers,
MS Matthew
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