Linked Questions
18 questions linked to/from Where is the cron / crontab log?
2
votes
3
answers
810
views
crontab run every x hours vs run when modulo hour is zero
I have in my crontab the following
15 */4 * * * ...
My original intent was that I would run ... every 4 hours from when the computer boots up. If I power on at 8 am, it would run at 8, 12, 16, 20,...
- 291
6
votes
2
answers
38k
views
How to detect error in cron jobs
The reasons why a cron job may fail is really very large. Most common reasons may be,
Syntax error
Using executable without proper path
Using a shell variable which is not defined in cron environment
...
- 44.7k
0
votes
2
answers
2k
views
MySQL dump script runs manually but not via cron
I have the following script in /etc/cron.daily/, it works perfectly if I execute it manually but never runs via cron. There are other scripts in cron.daily that do execute however.
#!/bin/bash
DATE=`...
0
votes
2
answers
2k
views
Custom Daily and Weekly Cron Jobs Not Running [duplicate]
I created a script to back up my databases and my websites. It runs fine if I run it straight up but it's not running at all as a cron job.
I created a symbolic link to the script:
lrwxrwxrwx 1 root ...
- 521
7
votes
1
answer
21k
views
16.04: How do I make cron create cron.log and monitor it in real time?
I know that cron events are stored in /var/log/syslog and I can use a command like:
sudo cat /var/log/syslog | grep cron
to see them.
I'd much rather have the system keep a separate cron log file ...
- 3,169
3
votes
1
answer
4k
views
How to change cron log level?
I replaced exec cron with exec cron -L 15 the run sudo service cron reload, sudo service cron restart but nothing changed. Cron doesn't log the end of jobs and doesn't log failed jobs. I hade no ...
- 317
2
votes
1
answer
2k
views
Where is my cronlog? [duplicate]
Possible Duplicate:
Where is the cron / crontab log?
While trying to Google this a lot of sources claims there's a cron log in /var/log but I have none. I'm fairly convinced cron has run and I ...
- 11.1k
1
vote
1
answer
2k
views
crontab -e. Added entries but no /etc/crontab
I did edit /etc/crontab using corntab -e.
I have only one entry
After save contab is not created despite the message.
To be honest I have no idea what to do. I simply want to create a simple daily ...
- 113
1
vote
1
answer
2k
views
How do I run a Supervisor task from cron.hourly?
I have a task defined in Supervisor that I would like to invoke hourly from /etc/cron.hourly. I can run it manually, but not from run-parts:
$ sudo supervisorctl start my-task -- works
# . /etc/cron....
- 20.9k
1
vote
1
answer
487
views
Can't run Sikulix 1.1.0 on Ubuntu 15.10 with crontab
I try to run a Sikulix script but nothing happens.
crontab:
SHELL=/bin/sh
PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/home/absolute
MAILTO=""
# m h dom mon dow user command
...
- 13
1
vote
1
answer
6k
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Where do I look for cron errors [duplicate]
I have 2 cron jobs that were running fine but now stopped running. I looked through my crontab and everything looks OK. How can I tell if these jobs are running? is there a place where cron stores ...
- 169
0
votes
1
answer
478
views
Command not working in crontab, but work in terminal [closed]
I have command in crontab:
20 * * * * root /usr/bin/find /home/user/temps/ -type f -mmin +20 -delete
If I run this command in terminal everything works fine, but in /etc/crontab doesn't work. ...
0
votes
1
answer
161
views
Where can I find the output log from a custom crontab task [duplicate]
I configured a regular task
me@alpha:~$ crontab -l | grep '^\*'
*/5 * * * * (cd ~/Documents/OrgMode; git add .; git commit -m "defensively save")
It works but I cannot find the log in mail.log
me@...
- 2,891
1
vote
0
answers
198
views
Execute script only once per day
I am trying to check if a certain script (Backup_18_04.sh) has been run today.
I only want it run once per day.
I found this, but it does not work.
I can not tell what it is checking for?
today=`/bin/...
- 3,127
0
votes
0
answers
1k
views
Git Pull and then Push via Cron in Ubuntu
I am in a git enterprise environment and there is a git repo where I pull the whole code, build it using gulp.js and then copy the distribution to another repo, where I push it to remote.
I have ...
- 103