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How to run updatedb as a cron job?
How can I sort du -h output by sizeWhere is this cron job running from?MAILTO is not working for CRON. How can I fix this?crontab: question about a special case of the dash character in the time field specRsync when run in cron doesnt work. Rsync between Mac Os x Server and Linux CentosCron job failing on Ubuntu VPScron job running repeatedly, why?cron job occasionally not runningfind -delete works OK, but not with cronWhy does cron not run consistently anymore on Amazon-Linux-AMI since april first (not a joke)
.everyoneloves__top-leaderboard:empty,.everyoneloves__mid-leaderboard:empty,.everyoneloves__bot-mid-leaderboard:empty height:90px;width:728px;box-sizing:border-box;
I see multiple questions that are answered with crontab -e; 0 24 * * * updatedb but that is failing for me.
Updatedb cannot be run as a normal user, it must be run as root. So how does this cronjob complete successfully? I get a daily email with the error:
updatedb: can not change group of file `/var/lib/mlocate/mlocate.db.1ms8PJ' to `mlocate': Operation not permitted
This is after a chmod -R a+w /var/lib/mlocate so that cron can access the files, but it doesn't look like it can.
I really don't understand how this is working for everyone else. I've never, across many machines, been able to run updatedb as any user other than root.
linux bash cron
asked Apr 3 at 17:40
Brydon GibsonBrydon Gibson
95
add a comment |
I see multiple questions that are answered with crontab -e; 0 24 * * * updatedb but that is failing for me.
Updatedb cannot be run as a normal user, it must be run as root. So how does this cronjob complete successfully? I get a daily email with the error:
updatedb: can not change group of file `/var/lib/mlocate/mlocate.db.1ms8PJ' to `mlocate': Operation not permitted
This is after a chmod -R a+w /var/lib/mlocate so that cron can access the files, but it doesn't look like it can.
I really don't understand how this is working for everyone else. I've never, across many machines, been able to run updatedb as any user other than root.
linux bash cron
asked Apr 3 at 17:40
Brydon GibsonBrydon Gibson
95
Is your question how to run it as a cron job or how to run it not as root? The answer to the first one answers itself if you run it as root. Everyone is doing it like that. What is the original problem you're trying to solve here?
– yoonix
Apr 3 at 17:42
How do I put a sudo in a cron job? would that not wait for a password?
– Brydon Gibson
Apr 3 at 17:43
It won't if you have your sudoers set up not to prompt one.. but why not just put it in root's crontab? Why do you want to use sudo?
– yoonix
Apr 3 at 17:44
2
> Put it in root's crontab... duh, thank you
– Brydon Gibson
Apr 3 at 17:45
1
On most Linux distributions it already has its own cron job, or on modern systems, a systemd timer. It's not likely you need to do anything. What you should do instead is to start over by explaining the real problem that led you to this (wrong) solution in the first place.
– Michael Hampton♦
Apr 3 at 19:18
add a comment |
I see multiple questions that are answered with crontab -e; 0 24 * * * updatedb but that is failing for me.
Updatedb cannot be run as a normal user, it must be run as root. So how does this cronjob complete successfully? I get a daily email with the error:
updatedb: can not change group of file `/var/lib/mlocate/mlocate.db.1ms8PJ' to `mlocate': Operation not permitted
This is after a chmod -R a+w /var/lib/mlocate so that cron can access the files, but it doesn't look like it can.
I really don't understand how this is working for everyone else. I've never, across many machines, been able to run updatedb as any user other than root.
linux bash cron
asked Apr 3 at 17:40
Brydon GibsonBrydon Gibson
95
I see multiple questions that are answered with crontab -e; 0 24 * * * updatedb but that is failing for me.
Updatedb cannot be run as a normal user, it must be run as root. So how does this cronjob complete successfully? I get a daily email with the error:
updatedb: can not change group of file `/var/lib/mlocate/mlocate.db.1ms8PJ' to `mlocate': Operation not permitted
This is after a chmod -R a+w /var/lib/mlocate so that cron can access the files, but it doesn't look like it can.
I really don't understand how this is working for everyone else. I've never, across many machines, been able to run updatedb as any user other than root.
linux bash cron
linux bash cron
asked Apr 3 at 17:40
Brydon GibsonBrydon Gibson
95
asked Apr 3 at 17:40
Brydon GibsonBrydon Gibson
95
asked Apr 3 at 17:40
Brydon GibsonBrydon Gibson
95
asked Apr 3 at 17:40
Brydon GibsonBrydon Gibson
95
asked Apr 3 at 17:40
Brydon GibsonBrydon Gibson
95
95
Is your question how to run it as a cron job or how to run it not as root? The answer to the first one answers itself if you run it as root. Everyone is doing it like that. What is the original problem you're trying to solve here?
– yoonix
Apr 3 at 17:42
How do I put a sudo in a cron job? would that not wait for a password?
– Brydon Gibson
Apr 3 at 17:43
It won't if you have your sudoers set up not to prompt one.. but why not just put it in root's crontab? Why do you want to use sudo?
– yoonix
Apr 3 at 17:44
2
> Put it in root's crontab... duh, thank you
– Brydon Gibson
Apr 3 at 17:45
1
On most Linux distributions it already has its own cron job, or on modern systems, a systemd timer. It's not likely you need to do anything. What you should do instead is to start over by explaining the real problem that led you to this (wrong) solution in the first place.
– Michael Hampton♦
Apr 3 at 19:18
add a comment |
Is your question how to run it as a cron job or how to run it not as root? The answer to the first one answers itself if you run it as root. Everyone is doing it like that. What is the original problem you're trying to solve here?
– yoonix
Apr 3 at 17:42
How do I put a sudo in a cron job? would that not wait for a password?
– Brydon Gibson
Apr 3 at 17:43
It won't if you have your sudoers set up not to prompt one.. but why not just put it in root's crontab? Why do you want to use sudo?
– yoonix
Apr 3 at 17:44
2
> Put it in root's crontab... duh, thank you
– Brydon Gibson
Apr 3 at 17:45
1
On most Linux distributions it already has its own cron job, or on modern systems, a systemd timer. It's not likely you need to do anything. What you should do instead is to start over by explaining the real problem that led you to this (wrong) solution in the first place.
– Michael Hampton♦
Apr 3 at 19:18
Is your question how to run it as a cron job or how to run it not as root? The answer to the first one answers itself if you run it as root. Everyone is doing it like that. What is the original problem you're trying to solve here?
– yoonix
Apr 3 at 17:42
Is your question how to run it as a cron job or how to run it not as root? The answer to the first one answers itself if you run it as root. Everyone is doing it like that. What is the original problem you're trying to solve here?
– yoonix
Apr 3 at 17:42
How do I put a sudo in a cron job? would that not wait for a password?
– Brydon Gibson
Apr 3 at 17:43
How do I put a sudo in a cron job? would that not wait for a password?
– Brydon Gibson
Apr 3 at 17:43
It won't if you have your sudoers set up not to prompt one.. but why not just put it in root's crontab? Why do you want to use sudo?
– yoonix
Apr 3 at 17:44
It won't if you have your sudoers set up not to prompt one.. but why not just put it in root's crontab? Why do you want to use sudo?
– yoonix
Apr 3 at 17:44
2
2
> Put it in root's crontab... duh, thank you
– Brydon Gibson
Apr 3 at 17:45
> Put it in root's crontab... duh, thank you
– Brydon Gibson
Apr 3 at 17:45
1
1
On most Linux distributions it already has its own cron job, or on modern systems, a systemd timer. It's not likely you need to do anything. What you should do instead is to start over by explaining the real problem that led you to this (wrong) solution in the first place.
– Michael Hampton♦
Apr 3 at 19:18
On most Linux distributions it already has its own cron job, or on modern systems, a systemd timer. It's not likely you need to do anything. What you should do instead is to start over by explaining the real problem that led you to this (wrong) solution in the first place.
– Michael Hampton♦
Apr 3 at 19:18
add a comment |
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Is your question how to run it as a cron job or how to run it not as root? The answer to the first one answers itself if you run it as root. Everyone is doing it like that. What is the original problem you're trying to solve here?
– yoonix
Apr 3 at 17:42
How do I put a sudo in a cron job? would that not wait for a password?
– Brydon Gibson
Apr 3 at 17:43
It won't if you have your sudoers set up not to prompt one.. but why not just put it in root's crontab? Why do you want to use sudo?
– yoonix
Apr 3 at 17:44
2
> Put it in root's crontab... duh, thank you
– Brydon Gibson
Apr 3 at 17:45
1
On most Linux distributions it already has its own cron job, or on modern systems, a systemd timer. It's not likely you need to do anything. What you should do instead is to start over by explaining the real problem that led you to this (wrong) solution in the first place.
– Michael Hampton♦
Apr 3 at 19:18