Contabo VPS 20 Performance Test
Now, after two years, I try to use Contabo VPS again. Today, I ordered a new Contabo VPS 20. The best-selling VPS of Contabo. Annual payment is $76.32 for 12 months, which is about $6.36/month. When I SSH to the...
A problem when upgrade Mediawiki installation
I am upgrading the Mediawiki installation from 1.44.2 to 1.45.1. Everything is OK. Until I try the update script. I forgot to record the error. So I found one on the Web. As below 15:47:42 [250e8a55b4df40e8c3d5f0dd] [no req] Error: Class...
Monitor my Front door with TP-Link Tapo C560WS Security Camera
I have been using the Tapo C560WS security camera for a week. As I mentioned in my last post, the camera is installed at the front door of my house. I use it to record events, including people coming in...
TP-Link Tapo C560WS Outdoor Pan/Tilt Security Camera
Recently, I received a new outdoor security camera from the TP-Link system, Tapo C560WS. It was announced on June 24, 2025. It is quite a bit heavy. I can feel it is a good quality. Here is the list of...
TP-Link Security Cameras
I have two TP-Link security cameras that I purchased in July 2025. I bought the first one at Amazon.ca. TP-Link Tapo 2K 4MP QHD Security Camera Outdoor Wired, built-in Siren w/Startlight Sensor, IP66 Weatherproof, Motion/Person Detection, Works with Alexa &...
TP-Link WiFi 8 is comming
Wow, TP-Link just dropped a press announcement about the WiFi 8 era. I can’t believe it’s already here! TP-Link, a leading global provider of consumer and business networking products, announced it has successfully demonstrated Wi-Fi 8 connectivity, transmitting data with...
Deprecated notice after MediaWiki 1.44
I have a Wiki site installation at my Homelab server. I tried to keep it updated every time MediaWiki has a new release. Last week, I upgraded my Wiki from 1.43.1 to 1.44.0. Look at it. There is a Deprecation...
Repair my Air Fryer
I have a Kalorik Air Fryer, which I bought at Costco four years ago. Last week, during the process of air frying the fish sticks, it stopped working suddenly. No lights on. I thought it might be that the power...
Fix the problem of 502 error
There is an incident on one of my websites this morning. It returns a 502 Bad Gateway error when I try to reach the website. I did a little bit of research on the Internet. I found it is because...
Test run of the Crypto Mining
Today, I tried running the Crypto Mining on my two PCs. The results are fun. I asked everything on the Microsoft Copilot desktop App. It explained which crypto is good for CPU mining, how to get the software, how to...
It is time to block AI bots
I think it is best to block AI bots. I use Cloudflare as the CDN for the whole website. It is quite easy to make it happen. Cloudflare AI Bots setting You can choose to block AI bots by activating...
There is another wave of DoS attacking
Here we go. I found the websites are not available at noon. I checked the server status. All good. But the websites return a 404 error. OK, I just restarted the PHP-FPM service. Because the static page is OK. So...
How to mount a USB disk in OPNsense
One night, the router is stopping working. It is powered by OPNsense. So, how can I do? First, boot it to single-user mode. Reboot, of course, the device is rebooting repeatedly. Enter boot Menu, select the second option. Access shell....
Update the RAM of my PC
It is a small update. My wife’s old desktop was retired. It has two RAM stickers, 2X8GB. My PC has 2X16GB + 8GB + 4GB. It is kind of unbalanced. Now I have the chance to make it right. These...
Two small home appliances
It is kind of a curse for my trip. Every time I take a trip. There is something broken in my house when I am back. I paid a visit to San Francisco for sixteen days early this month. When...