[ALUG] Setting Crons on FreeBSD

Wed Aug 5 09:32:39 EAT 2015

Dear Adreas,

*
*I was running this as a global cron added on the*/etc/crontab* file

*/10    *       *       *       *       root    /usr/local/bin/bash 
/etc/rsync.sh

*The Script file content  rsync.sh* 
__________________________________________________________________________________________________

#!/usr/local/bin/bash
rsync -v --archive --delete root at x.x.x.x:/srv/vmail/banana.co.tz/ 
/home/virtual/banana.co.tz/
cd  /home/
chown -R vscan:vscan virtual
___________________________________________________________________________________________________

When i tail the  /var/log/cron file i get the results below

tail -f /var/log/cron
Aug  5 12:00:00 mx3 /usr/sbin/cron[17249]: (root) CMD ( /usr/libexec/atrun)
Aug  5 12:00:00 mx3 /usr/sbin/cron[17248]: (root) CMD (   newsyslog)
*Aug  5 12:00:00 mx3 /usr/sbin/cron[17250]: (root) CMD (root 
^I/usr/local/bin/bash  /etc/rsync.sh)*
Aug  5 12:01:00 mx3 /usr/sbin/cron[17283]: (*system*) RELOAD (/etc/crontab)
Aug  5 12:05:00 mx3 /usr/sbin/cron[17435]: (root) CMD ( /usr/libexec/atrun)
Aug  5 12:10:00 mx3 /usr/sbin/cron[17508]: (root) CMD ( /usr/libexec/atrun)
*Aug  5 12:10:00 mx3 /usr/sbin/cron[17507]: (root) CMD 
(^I/usr/local/bin/bash /etc/rsync.sh)*
*Aug  5 12:10:00 mx3 /usr/sbin/cron[17509]: (root) CMD (root 
^I/usr/local/bin/bash  /etc/rsync.sh)*
Aug  5 12:11:00 mx3 /usr/sbin/cron[17622]: (operator) CMD 
(/usr/libexec/save-entropy)
Aug  5 12:15:00 mx3 /usr/sbin/cron[17699]: (root) CMD ( /usr/libexec/atrun)

May be you can check the results above if its the script problem or,   
because if i run the command using:-

*bash /etc/rsync.sh *
*sh /etc/rsync.sh**
/usr/local/bin/bash  /etc/rsync.sh*

It is running successfully from start to end

Thanks

On 04/08/2015 09:05 alasiri, Richard Manyanza via Linux wrote:
> Hamisi, adding to your confusion (and hopefully clarity):
>
> Are you using the root crontab or a normal user's crontab?
>
> Your script is in /etc; does it need root access to run? If so you 
> have to put your cron entry in the root crontab (/etc/crontab). The 
> format of this crontab, unlike a normal user's crontab, includes a 
> user parameter before the command and should read:
>
> */30 * * * * root /usr/local/bin/bash /etc/rsync.sh
>
>
> On Tue, Aug 4, 2015 at 7:09 PM, Andreas Tauscher via Linux 
> <linux at lists.habari.co.tz <mailto:linux at lists.habari.co.tz>> wrote:
>
>     On 08/04/2015 04:51 PM, Hamisi Jabe via Linux wrote:
>     > Dear All,
>     >
>     > Hope everyone is doing on fine,
>     >
>     > I am trying to set crons on Freebsd to run a script but its not
>     > executing though when i run the script directly it is running
>     properlly
>     > from start to end
>     >
>     > Please help
>     >
>     > script directory   without the quotes "*/etc/rsync.sh*"
>     >
>     > cron job command   without the quotes    "*/*30 * * * *
>     > /usr/local/bin/bash /etc/rsync.sh*"
>
>     The /etc/contab format is slightly different from the user contab
>     There are two manpages for crontab.
>     You might have checked "man crontab" which gives you the man page for
>     user crontabs from section 1 "executable programs or shell commands"
>     (first match) and "man 5 crontab" is the manpage for the systemwide
>     crontab from section 5 "file formats and conventions" you wanted.
>
>     There is an important information missing in this line:
>     The username the script will be executed as which is not requires in
>     user crontabs.
>     You tell cron run /etc/rsync.sh as user /usr/local/bin/bash
>     In the system log you find surely:
>     "cron: Error: bad username; while reading /etc/crontab"
>     The */*30 is also wrong this will give an
>     "cron: (*system*) ERROR Syntax error"
>     *system* indicates here the system wide crontab. If the error is in a
>     user crontab then there is the username logged.
>     Any error making the entire crontab to be ignored.
>
>     To run the script every 30 minutes you write */30 * * * *
>
>     When your crontab looks like this:
>     ---- SNIP -----
>     SHELL=/bin/sh
>     PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
>
>     */30 * * * *  <username> /etc/rsync.sh
>     ----- SNAPP -----
>     And your script is starting with a shebang (#!/usr/local/bin/bash) the
>     scrip will run every 30 minutes.
>
>     Andreas
>
>
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