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Since upgrade macOS to 10.15 Catalina, 32bit applications are no longer supported. It causes mac user some inconvenience to continue use legacy applications. A typical c…

I am exploring use case of Cloudflare Workers these days. One of useful function is to leverage Cloudflare workers to serve as edge cache to speed up website load time a…

The HTTP response headers that allow us to configure and deploy security features on our site. There are headers like Content Security Policy, Strict Transport Security,…

There's lot of tips and recommendations of cruise trip preparation. As a tech person, I summarized some tips focusing on IT technology based on recent cruise trip which …

There's bunch of instruction talking about how to reset password on raspbian. But they all require physical access to the raspberry pi and take out the SD card and need …

The IT technologies are changing from closed on premise infrastructure to cloud platform. Security is no longer segregated trusted zone but more zero trust approach. Wha…

Leveraging Pi-Hole, you can force kids to redirect google search traffic to google safesearch, safe youtube and etc. Here's the script I use in Pi-Hole dnsmasq config…

This guide talks about how to install Plex on Synology NAS, configuration and enforce HTTPS on portal. Download Plex Package. Go to https://www.plex.tv/media-se…

Just for personal reference. For Directories: find /path/to/your/wordpress/install/ -type d -exec chmod 750 {} \; For Files: find /path/to/your/wordpress/install…

Background: I have a FAAC C720 slide gate which is controlled by 433Mhz remote. Due to the fact I only have two sets of the remotes, it is not that convenient to have e…