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The logrotate 'rotate' directive and migrating from daily to weekly

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1

I have a server collecting syslog messages from the network. Logrotate is currently setup and working, and the config looks like such:

/logs/*/log 
 daily
 rotate 60

Instead of rotating daily, I'd like weekly. Obviously, I'm keeping 60 days' logs, so I would likely be changing the rotate 60 to rotate 8, which would keep 8 weeks' logs.

My questions are these:

1. If I change from daily to weekly and keep 8 logs, when logrotate
   runs will it delete the 52 oldest daily logs, or is it smart enough
   to notice the date stamps on the files, and realize that 8 weeks’
   time is 2 months ago?


2. If I run logrotate manually with the -f flag
   to force rotation, and I did this 8 times, would I effectively wipe
   all logs completely?


3. If I go into the logrotate.status file and
   manually remove one particular log, what will happen to that
   particular log when logrotate runs next?

logrotate log-rotation

share|improve this question

edited Apr 26 at 0:07

user3629081

asked Apr 25 at 21:38

user3629081user3629081

1042

add a comment | 

1

I have a server collecting syslog messages from the network. Logrotate is currently setup and working, and the config looks like such:

/logs/*/log 
 daily
 rotate 60

Instead of rotating daily, I'd like weekly. Obviously, I'm keeping 60 days' logs, so I would likely be changing the rotate 60 to rotate 8, which would keep 8 weeks' logs.

My questions are these:

1. If I change from daily to weekly and keep 8 logs, when logrotate
   runs will it delete the 52 oldest daily logs, or is it smart enough
   to notice the date stamps on the files, and realize that 8 weeks’
   time is 2 months ago?


2. If I run logrotate manually with the -f flag
   to force rotation, and I did this 8 times, would I effectively wipe
   all logs completely?


3. If I go into the logrotate.status file and
   manually remove one particular log, what will happen to that
   particular log when logrotate runs next?

logrotate log-rotation

share|improve this question

edited Apr 26 at 0:07

user3629081

asked Apr 25 at 21:38

user3629081user3629081

1042

add a comment | 

I have a server collecting syslog messages from the network. Logrotate is currently setup and working, and the config looks like such:

/logs/*/log 
 daily
 rotate 60

Instead of rotating daily, I'd like weekly. Obviously, I'm keeping 60 days' logs, so I would likely be changing the rotate 60 to rotate 8, which would keep 8 weeks' logs.

My questions are these:

1. If I change from daily to weekly and keep 8 logs, when logrotate
   runs will it delete the 52 oldest daily logs, or is it smart enough
   to notice the date stamps on the files, and realize that 8 weeks’
   time is 2 months ago?


2. If I run logrotate manually with the -f flag
   to force rotation, and I did this 8 times, would I effectively wipe
   all logs completely?


3. If I go into the logrotate.status file and
   manually remove one particular log, what will happen to that
   particular log when logrotate runs next?

logrotate log-rotation

share|improve this question

edited Apr 26 at 0:07

user3629081

asked Apr 25 at 21:38

user3629081user3629081

1042

/logs/*/log 
 daily
 rotate 60

share|improve this question

edited Apr 26 at 0:07

user3629081

asked Apr 25 at 21:38

user3629081user3629081

1042

share|improve this question

edited Apr 26 at 0:07

user3629081

asked Apr 25 at 21:38

user3629081user3629081

1042

asked Apr 25 at 21:38

user3629081user3629081

1042

asked Apr 25 at 21:38

user3629081user3629081

1042

1 Answer
1

active

oldest

votes

1

1. If you change the number of logs, then at the next run logrotate will ensure that at most that many logs are kept. The number is not necessarily related to number of days (you could run logrotate hourly if you configure it correctly).


2. Yes, unless you have the notifempty setting (which I do recommend).


3. Same as if you re-added that log to the configuration after having removed it. It will rotate the log as it doesn't know when that might have been done previously, and it will preserve the required number of logs as per point 1.

share|improve this answer

answered Apr 26 at 11:09

wurtelwurtel

3,038512

add a comment | 

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1

1. If you change the number of logs, then at the next run logrotate will ensure that at most that many logs are kept. The number is not necessarily related to number of days (you could run logrotate hourly if you configure it correctly).


2. Yes, unless you have the notifempty setting (which I do recommend).


3. Same as if you re-added that log to the configuration after having removed it. It will rotate the log as it doesn't know when that might have been done previously, and it will preserve the required number of logs as per point 1.

share|improve this answer

answered Apr 26 at 11:09

wurtelwurtel

3,038512

add a comment | 

1

1. If you change the number of logs, then at the next run logrotate will ensure that at most that many logs are kept. The number is not necessarily related to number of days (you could run logrotate hourly if you configure it correctly).


2. Yes, unless you have the notifempty setting (which I do recommend).


3. Same as if you re-added that log to the configuration after having removed it. It will rotate the log as it doesn't know when that might have been done previously, and it will preserve the required number of logs as per point 1.

share|improve this answer

answered Apr 26 at 11:09

wurtelwurtel

3,038512

add a comment | 

1. If you change the number of logs, then at the next run logrotate will ensure that at most that many logs are kept. The number is not necessarily related to number of days (you could run logrotate hourly if you configure it correctly).


2. Yes, unless you have the notifempty setting (which I do recommend).


3. Same as if you re-added that log to the configuration after having removed it. It will rotate the log as it doesn't know when that might have been done previously, and it will preserve the required number of logs as per point 1.

share|improve this answer

answered Apr 26 at 11:09

wurtelwurtel

3,038512

share|improve this answer

answered Apr 26 at 11:09

wurtelwurtel

3,038512

answered Apr 26 at 11:09

wurtelwurtel

3,038512

answered Apr 26 at 11:09

wurtelwurtel

3,038512