{ 4 comments… read them below or add one }

1 frank May 2, 2008 at 3:10 am

it does not work on my centos5… i tried to change my user password and tried use again my old password but it does not warn me that i already used my current password.

did i miss anything?


2 Rahul Panwar August 3, 2009 at 2:24 pm

Hi Vivek,
I am a fan of your website, Thanks for posting such interesting topics. I am working on Linux security, using linux applications. Your website is very helpful for me. I always give it first preference when i found your website link.

Ok, Now Can you please tell that it is possible to verify a new password has not been used in the last six months.

Thanks & Regards
Rahul Panwar


3 Sanchit Matta January 9, 2013 at 7:28 pm

it does not work on my centos,actually after appending remember=10 still the /etc/security/opasswd file is empty….?


4 Mukhtar September 3, 2013 at 8:04 pm

very informative, keep mailing us


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