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Seeting Logs in AIX

Hello i would like to retain logs of 90 days in aix , please tell me how to do this and how to check the current no. of days are set on server

Thanks
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prashantchauhan
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prashantchauhan
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5 Solutions
 
Kerem ERSOYPresidentCommented:
Hi,

There's not a default tool in AIX to do that. There's a tool called logrotate. IT is available through Toolbox CD. It supports only V5.3 of AIX though.

Cheers,
K.


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woolmilkporcCommented:
Hi,
which logs are you talking about?
There is, except for syslog and cron, no automatic log rotation facility in AIX.
- syslog: configuration is done in /etc/syslog.conf. Look for the keywords "rotate, size, time, files ...", where rotation based on time is configured by the "time" keyword. Specify a number and h(our), d(ay) or w(eek) following "time".
- cron: this is configured in /etc/cronlog.conf (only with AIX 5300-04 or higher, or AIX 6). Rotation based on time is not possible, it can be done based on size only.
For all the other logs governed by the OS you will need something like "logrotate"
Find logrotate here -
http://www.perzl.org/aix/index.php?n=Main.Logrotate
 
wmp
 
 
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woolmilkporcCommented:
logrotate (as can be obtained e.g. from perzl.org) supports AIX levels starting with 4.2, afaik ...
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prashantchauhanAuthor Commented:
Hello Please can u look at this and let me know how should i get this details from the server and would like to implemnet on all my aix server
retention-log.JPG
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Kerem ERSOYPresidentCommented:
Hi,

IBM Syslog can not archive your wtmp nor your failedlogins. So you'll need logwatch to accomplish this. You can etiher use tour ToolBox CD (for AIX 5.3 and higher) or you can download it from here:
http://www.perzl.org/aix/index.php?n=Main.Logrotate
As some other experts told. (Use the command oslevel to see what version of os you are using)

Once you've downloaded it you need
coreutils
popt
libopt.a

Pagkages must be installed on your system. So you'll need your toolbox CD and OS CD's anyway.

You'll see WTMP is there. Notice the keywords monthls suggesting that it wil be rotated every 30 days and rotate 3 meaning that it will keep 3 older versions meaning that you'll have 3 monthly copies. a total of 90 days of retention will be there.

For the other files you need to go to /etc/logrotate.d and create a file called sulog. It should contain these lines:

/var/adm/sulog {
      create 0600 root system
      sharedscripts
}
   
and create another file called failedlogins under the same folder conatining::
/etc/security/failedlogins {
    create 0644 root system
   sharedscripts
}


I hope this helps.

Cheers,
K.



# see "man logrotate" for details
# rotate log files monthly
monthly
 
# keep 4 months worth of backlogs
rotate 4
 
# create new (empty) log files after rotating old ones
create
 
# uncomment this if you want your log files compressed
compress
 
# RPM packages drop log rotation information into this directory
include /etc/logrotate.d
 
# no packages own wtmp -- we'll rotate them here
/var/log/wtmp {
    monthly
    create 0664 root utmp
    rotate 3
}
 
# system-specific logs may be also be configured here.

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woolmilkporcCommented:
The required packages coreutils, popt, gettext, info are available here, too. No need for OS CDs or the toolbox CD.
http://www.perzl.org/aix/index.php?n=Main.HomePage 
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prashantchauhanAuthor Commented:
many thanks
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