Wonder if your NVME SSD is reaching retirement age? Follow these simple steps to get an idea.
Category: others
Terraform module: Delete default VPCs
Terraform itself does not have the capability to delete default VPCs. In this example, I will use terraform and a shell script to perform the deletion.
Using U2F key for sudo authentication
I got my U2F key for use with online accounts. It is cheaper than the popular Yubikey and it works well. Did you know you can use it for sudo or pam authentication? Here is how.
Create security groups with terraform using a map
If you have 10s of security group rules, it’s not effective to use aws_security_group_rule directly. Here I use a map and feed it to a module.
Free is the most expensive
Today, I found out my domain one.27 is offline. Took me a while to figure out freenom might have deleted my domain for unknown reasons. Fortunately, this is just a personal blog. Nothing important runs off this domain. Spent half hour to reconfigure my cloudflared argo tunnel and changed the header image. Everything is back…
Seasoning carbon steel pan before first use
My first carbon steel pan! Unlike coated pans, carbon steel pan requires seasoning before first use. We need to put a layer of cooked oil on the pan so be becomes nonstick.
單火 零火 – 咩意思, 點揀?
想用無線開關, 最好用零火. 用唔用得要睇電佬當初線點拉.
Roasting coffee beans at home
Using this stove-top ceramic roaster, I have documented my most recent roast. The raw beans are blend of Columbia and Guatemala, washed.
AMD Ryzen
I’ve been using Phenom II x4 965 for years. Should I upgrade to Ryzen? I’ll need to spend another $2800 for an Asus B350+ and 32G DDR4. That’s a total of $5-6K.
Google wifi – days of work
Another user at home was complaining about all the different APs that I have installed. All the different SSID and the fact that wireless clients tend to cling to AP that are further away and the connection became dead slow. Often we will need to manually switch to a different SSID. My place isn’t particularly…