Archive for April 2010

How can I renew my Centos/Apache SSL certificate?

Posted on April 19, 2010, 1:14 am, by Jeremy Pavlov, under apache, centOS, intermediate, openSsl.

I got this question the other day from a Centos administrator: “The certwatch tool has been sending the me an email warning me that I need to renew the SSL Certificate. What do I do?” The email message read like the following (names have been changed): ################# SSL Certificate Warning ################ Certificate for hostname ‘www.yourlinuxguy.com’, [...]

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PC name discovery on a local network

Posted on April 5, 2010, 1:06 am, by Jeremy Pavlov, under advanced, linuxGeneral, nmap, nmblookup.

Here’s a fun one for you.  I had a situation recently where the customer had some of his windows PCs properly being populated in his reverse DNS zone (in an AD-controlled environment), and some that were not.  He asked me to quickly scan the network and figure out which were which (before we started to [...]

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