have you noticed that Certs you create on your Standalone or intermediate CA have a 1 year lifespan even if…
Know about SAN Certificate and How to Create With OpenSSL
Original here – Reduce SSL cost and maintenance by using single certificate for multiple websites using SAN certificate SAN stands for…
Self-Signed Wildcard certificate with SAN using openssl / SSL
Copy the default template of openssl.cnf to a writable location. cp /System/Library/OpenSSL/openssl.cnf src Uncomment the req_extensions = v3_req req_extensions = v3_req #…
Clear IP Tables (Firewall)
First, set the default policies for each of the built-in chains to ACCEPT. The main reason to do this is…
ISE expanding the data partition
This article was found on the internet… I haven’t tried it.. but will consider it on a test copy of…
Set NTP Time by command line
Usage: systemsetup -settimezone <timezone> Set current time zone to <timezone>. Use “-listtimezones” to list time zones. Usage: systemsetup -listtimezones List…
Export MySQL Databases using Command line
MySQL provides us the utility called mysqldump to export our databases. It is very easy to use utility. You can…
Ubuntu Network Config
I recently had to modify the NIC setup and add a virtual nic. Thought I would save this.. as it…
Cisco 3850 Upgrade
These steps are from a high level view and cover the overall process. Some steps are omitted. Download the IOS…
Cisco 4510 Ten Gig interfaces
At times when attempting to use a TwinGig card on a 4500 chassis that already has 1 of the ten…