This is a utility that sets Access Control Lists (ACLs) for files and directories for linux hosts. I’m managing a Linux host on AWS and a design firm is working on the website itself. Even though the host itself is a sandbox webserver, I don’t want to give out root credentials – so we set … Read more
Sounds cool! But what is it? Lets start off on what its made of: Knowledge based authentication. Possession based authentication. A good example of two-factor authentication is your ATM card. You know your PIN. Its something you made up. But that is something anyone can glimpse over and see. To safeguard that, you need your … Read more
Today, our cellphones are more powerful than a vintage supercomputer that helped NASA bring astronauts to the moon in 1969. With all the advancement in technology, some hardware manufacturers require you to flash BIOS or firmware with DOS. Okay maybe the comparison from hardware in 1969 and 2015 is a bit extreme, but you get … Read more
With a lot of servers in my lab, I run into my fair share of ESX boot medium issues in the lab. Typically this exhibits weird issues where the ESX host is online, VMs are incredibly slow or completely hung and ping-able. The quickest way I would determine of the boot media (USB, SD card, … Read more