Public IP Service ip.renfei.net: Announcing New Geolocation Fields
My site's public IP service, ip.renfei.net, is used by many people. On May 10, 2022 a user named Qin Yi'nan left a message asking for geolocation support — and here it is.
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Page 6 of 55GitHub Now Scans for WeChat Secrets as a Tencent Partner
GitHub now scans public and private repositories for WeChat keys and tokens — including those for WeChat Official Accounts, Mini Programs, and WeChat Pay — and forwards them to Tencent. You'll get a key leak notification on Tencent's side.
Setting Up a Free Amazon Remote Desktop
Want to know what Los Angeles looks like at 4 a.m.? Spend ten minutes setting up a free remote desktop in Los Angeles and you'll see. Using Amazon's global availability zones, you can even stand up remote desktops matching your needs anywhere in the world.
I Shut Down My Site — Individual ICP Filing Review Requires Closing the Forum
On December 19, 2022, I got a call from Alibaba Cloud's ICP filing review telling me that the forum I ran on a subdomain didn't comply with laws and regulations, and required me to either close it for rectification or cancel my filing with them.
Linux File Permissions: What chmod 644, 755, and 777 Mean and How to Use Them
We're always setting permissions on folders and files in Linux with chmod 777. Those 777 digits are the permissions — just three numbers expressing three kinds of permission for three kinds of role. Let's break them down one by one.
Spring Boot 3.0 Is Out — But I'm Holding Off on Upgrading for Now
Spring Boot 3.0.0 was officially released on November 25, 2022. As someone who likes chasing the new and eating crab first, I had to upgrade and try it. In the end, though, I gave up.
Installing Windows 11 on an Old Computer: Skipping the TPM, RAM, and Secure Boot Minimum Requirements
Plenty of people still have older computers lying around and want to install Windows 11, but the Win11 installer runs a hardware check that includes TPM 2.0, Secure Boot, and 4GB of RAM. Here's how to skip those checks and install Win11 anyway.
IT News Site cnBeta.com Shut Down, Domain Now Under clientHold
It's not just the ICP filing that got revoked — checking cnBeta.com's WHOIS, the domain has been placed under clientHold, halting resolution worldwide. A shutdown like this doesn't come from a small mistake: with the domain itself set to clientHold, they clearly crossed a red line.
What Actually Happens on JH GitLab When You git push
Ever wondered how Git and JH GitLab work? Now grab your favorite IDE and set off on an exploration with us.
Someone Hammered My API Last Night — Who or What Was Behind It?
At 12:15 a.m. yesterday my phone lit up; emails and text messages poured in one after another — network traffic alerts, CPU alerts. There must be something unspeakable behind this. Why do hundreds of threads keep dropping? Why do callbacks take forever to return? Why does MySQL keep getting assaulted?
