And ran it from crontab, the output files /tmp/ps-f and /tmp/ps-f end up empty.
This has to be so because crontab jobs are started from init, which has no environment. For "ps" to be found it would have to be in the path and $PATH would be empty at this point of execution. If you want to have the same environment as your login shell in your cron job do something similar to the following:
Hi,
I made this script for TRU Unix 5.1 OS based Node.
When the script was run manually all the commands were running properly. But when it was run from Crontab, one command is not running.
This command is not running when the script is running from Crontab:
#... (2 Replies)
I am facing a strange issue while running a script(eg A) from the crontab entry
the script calls one more script(eg B) within it
now when i run the script A manually(with nohup) it also executes the script B (embedded inside it) as expected.
but when i run the script A from the crontab entry... (7 Replies)
Hi all,
I wrote small script for Solaris and when I am running it through command prompt its ok, but when I trying to run it using crontab, i am getting error like:
ld.so.1: dbloader: fatal: libACE.so: open failed: No such file or directory
/tmp/file.sh: line 5: 8304 Killed ... (4 Replies)
Hi,
I'm trying the backup a few information commands of my Check Point FW (it's on a SPLAT linux machine). This is the script I wrote:
#!/bin/bash
cd /var/tmp/
file1=netstat_`/bin/date +%d%m%y`.txt
file2=ifconfig_`/bin/date +%d%m%y`.txt
file3=cpstatos_`/bin/date +%d%m%y`.txt... (2 Replies)
I am trying to use the CRON utility in Fedora 11 & CentOS...
I intend to run a script which pops up a warning message every hour and i made the following entry using "CRONTAB -e "
* * * * * sh /bin/myscript.sh
But this does not seem to be running.
Another thing to note is that,... (4 Replies)
Hi,
I have created the below script,
set -x
# Set the Path of Environment file
ENV_FILE_DIR=/opt/app/p1trp1c1/sybase/ecdwqdm/xrbid/QDM_Prod/bin
LOG_DIR=/opt/app/p1trp1c1/sybase/ecdwqdm/xrbid/QDM_Prod/log
export ENV_FILE_DIR
export LOG_DIR
# Set Audit Environment
. ${ENV_FILE_DIR}/QDM.env... (8 Replies)
Hi All,
I am having the below script to be run from crontab, it it doesnt run.
1 * * * * /home/cobr_ext/test.sh > /home/cobr_ext/temp.txt
when i run i manally it runs without any issues.
Could please help me as to why doesnt it run the script.:( (7 Replies)
I am facing an issue where sometimes crontab is running script with some delay.
Below is the stmt in script and it is the only stmt in script.
echo "running at `date` " >> CRONCHECK.log
Below is the cron entry.
0 11 * * * CRONCHECK.sh
Below is the time of run each day.
running at Fri... (8 Replies)
Hi guys!
I created a backup script that works fine when I run manually, but when I put a crontab job to execute it the result are not the expected. (not a time problem).
Here is my script:
bash-3.00# cat /bk_tool/backup2.sh
#!/usr/bin/csh
clear
set DIR_HOST='SCP08'
... (3 Replies)
Hi!
I'm using a RaspberryPi with standard Raspbian.
Currently I'm working on some sort of weather station.
For now I have three python scripts - one which is updating txt files for website - update1m.py ( it will not be necessary in few next days so I'll delete it) , second one for updating... (4 Replies)
Discussion started by: bartocham
4 Replies
LEARN ABOUT OPENSOLARIS
cron
cron(1M) System Administration Commands cron(1M)NAME
cron - clock daemon
SYNOPSIS
/usr/sbin/cron
DESCRIPTION
cron starts a process that executes commands at specified dates and times.
You can specify regularly scheduled commands to cron according to instructions found in crontab files in the directory
/var/spool/cron/crontabs. Users can submit their own crontab file using the crontab(1) command. Commands which are to be executed only once
can be submitted using the at(1) command.
cron only examines crontab or at command files during its own process initialization phase and when the crontab or at command is run. This
reduces the overhead of checking for new or changed files at regularly scheduled intervals.
As cron never exits, it should be executed only once. This is done routinely by way of the svc:/system/cron:default service. The file
/etc/cron.d/FIFO file is used as a lock file to prevent the execution of more than one instance of cron.
cron captures the output of the job's stdout and stderr streams, and, if it is not empty, mails the output to the user. If the job does not
produce output, no mail is sent to the user. An exception is if the job is an at(1) job and the -m option was specified when the job was
submitted.
cron and at jobs are not executed if your account is locked. Jobs and processses execute. The shadow(4) file defines which accounts are not
locked and will have their jobs and processes executed.
Setting cron Jobs Across Timezones
The timezone of the cron daemon sets the system-wide timezone for cron entries. This, in turn, is by set by default system-wide using
/etc/default/init. The timezone for cron entries can be overridden in a user's crontab file; see crontab(1).
If some form of daylight savings or summer/winter time is in effect, then jobs scheduled during the switchover period could be executed
once, twice, or not at all.
Setting cron Defaults
To keep a log of all actions taken by cron, you must specify CRONLOG=YES in the /etc/default/cron file. If you specify CRONLOG=NO, no log-
ging is done. Keeping the log is a user configurable option since cron usually creates huge log files.
You can specify the PATH for user cron jobs by using PATH= in /etc/default/cron. You can set the PATH for root cron jobs using SUPATH= in
/etc/default/cron. Carefully consider the security implications of setting PATH and SUPATH.
Example /etc/default/cron file:
CRONLOG=YES
PATH=/usr/bin:/usr/ucb:
This example enables logging and sets the default PATH used by non-root jobs to /usr/bin:/usr/ucb:. Root jobs continue to use
/usr/sbin:/usr/bin.
The cron log file is periodically rotated by logadm(1M).
FILES
/etc/cron.d Main cron directory
/etc/cron.d/FIFO Lock file
/etc/default/cron cron default settings file
/var/cron/log cron history information
/var/spool/cron Spool area
/etc/cron.d/queuedefs Queue description file for at, batch, and cron
/etc/logadm.conf Configuration file for logadm
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Availability |SUNWcsu |
+-----------------------------+-----------------------------+
SEE ALSO svcs(1), at(1), crontab(1), sh(1), logadm(1M), svcadm(1M), queuedefs(4), shadow(4), attributes(5), rbac(5), smf(5), smf_security(5)NOTES
The cron service is managed by the service management facility, smf(5), under the service identifier:
svc:/system/cron:default
Administrative actions on this service, such as enabling, disabling, or requesting restart, can be performed using svcadm(1M). The ser-
vice's status can be queried using the svcs(1) command. Most administrative actions may be delegated to users with the solaris.smf.man-
age.cron authorization (see rbac(5) and smf_security(5)).
DIAGNOSTICS
A history of all actions taken by cron is stored in /var/cron/log and possibly in /var/cron/olog.
SunOS 5.11 4 Feb 2009 cron(1M)