Cron - GARZ&FRICKE GUF-Yocto-34.0-r5756-0-VINCELL User Manual

GUF-Yocto-34.0-r5756-0
rbcfg-enable-autojobs.xml:
rbcfg-disable-autojobs.xml:
These may be installed like all other XML-configuration files via the
root@santaro:~# export TFTP=172.20.0.146
root@santaro:~# curl tftp://$TFTP/rbcfg-enable-autojobs.xml > /tmp/cfg.xml
root@santaro:~# xconfig import -y /tmp/cfg.xml
Afterwards you can query and enable/disable each
Enable autostart function:
root@santaro:~# sconfig autostart all
Disable autostart function:
root@santaro:~# sconfig autostart off
Query current state of autostart
root@santaro:~# sconfig autostart
off
Notes:
If sconfig replies with its usage-information you still have an OS installed, which doesn't support en-
abling/disabling individual
If querying an
autojob
explicit settings for the
shown above.
The possible values of
the functions for different storage media individually. When this extension will be implemented and how
exactly the syntax for this will look like is still to be defined.

4.1.10 Cron

The cron service allows execute commands automatically to a given time.
The crond service has a startup link that points to the corresponding start script:
/etc/rc5.d/S20crond -> /etc/init.d/crond
The startup script simply starts
The cron task are configured with crontab.
crontab -e
An example script is shown in the editor and can be modified.
#------------------------------------------------------------------------------------
# Shell variable for cron
SHELL=/bin/bash
# PATH variable for cron
PATH=/usr/local/bin:/usr/local/sbin:/sbin:/usr/sbin:/bin:/usr/bin:/usr/bin/X11
#------------------------------------------------------------------------------------
# Minute Hour Day of Month
# (0-59) (0-23)
!
# * /10
*
crontest
,
#------------------------------------------------------------------------------------
See the official cron documentation for syntax of this file.
20
VINCELL User Manual
¡ ¡
autojob
function:
autojob functions. Please update your OS in this case.
function returns no reply, at all, your XML-configuration probably doesn't contain
autojob functions, yet. Please install one of the provided XML-configuration files as
all and off have been chosen on purpose to allow future extension to enable/disable
/usr/sbin/crond as a daemon.
Month
(1-31) (1-12 or Jan-Dec)
* *
Enables all autojob functions (default behaviour).
Disables all autojob functions.
xconfig tool, e.g.:
individually using sconfig.
Day of Week
(0-6 or Sun-Sat)
*
Command
date > /root/