Servers
UTC Conversion to United States Timezones
Setting CRON jobs on servers can be painful to wrap your head around the shift of UTC to your timezone. Especially thanks to daylight savings times where a UTC-6 becomes a UTC-5 for a few months of the year. CST = Central Standard TimeCDT = Central Daylight Time 2018 daylight savings starts March 11, 2018 2AM to November 4, 20192019 [...]
Dell RPS-720 Cable Pinout
If you own a Dell Redundant Power Supply unit (e.g. RPS-600 or RPS-720), hopefully you have the original 4 cables it came with because they are very difficult to find and you can’t even order them from Dell. There are not many details about these cords online which adds to the mystery of them. Interestingly, they are not as [...]
AWS T2 vs T3 Performance
Amazon just came out with the new 3rd generation of burst-able EC2 servers and to keep things short, you should shut down your t2 servers and restart them as t3. t2.micro 1 Core from an Intel Xeon E5-2676 v3 @ 2.40Ghz (released 2013) 1GB Memory 3227 Geekbench Single-Core 3025 Geekbench Multi-Core 15.5 GB/sec Memory Bandwidth [...]
Setting up IPv6 on AWS
I used to think that IPv6 is mostly a concern for ISPs and hosting companies to enable and once they do, everything in their system will start using it. Turns out, it isn’t that simple. How the internet hasn’t really felt much of effect of this is a little beyond me because IPv4 exhaustion occurred in the beginning [...]
Server Virtualization with Proxmox on an Intel Atom
Lets be honest, no one is going to promote doing this. But I wanted to run a development server in my bedroom — I want something silent and something that run 24/7 without being noticeable on my electric bill. It is only going to be used in development so it doesn’t need too much processing power, just the ability to run a [...]