Brief

This website is recording something about my life and technical things. I love computer science and programming~

My RSS and Bookmarks Workflow

My RSS Workflow I use RSS to subscribe to my favorite feeds and reliance on Karakeep for bookmarking. To streamline this, I sync Miniflux with Karakeep so that any saved items in my RSS reader are automatically saved as bookmarks. Additionally, I’ve integrated Miniflux with Telegram to easily share interesting articles with my friends. graph TD A[RSS Feed Sources] -->|1. Auto-fetch periodically| B(Miniflux Reader) B -->|2. New Article Arrives| H[Trigger Telegram Bot] H -->|3. Auto-post| G[(Telegram Channel)] B -->|4. User Reads & Stars| C[Star Article] C -->|5. Sync Integration| E[(Karakeep Bookmarks)]

May 26, 2026 · 1 min

IPSec tunnel doesn't work in Linux when using srv6 end.DX4

How to reproduce Create a ipsec tunnel between two machines Assign ipv6 address to machines as tunnel ips Configure SRv6 End.DX4 Ping each other via srv6 end.dx4 Result: cannot ping each other Find root cause Let’s read kernel code and find how pocket flows with ipsec(via xfrm framework) and srv6. First, we need clarify the code path of target packets. Because we use ipsec tunnel, so every actual payload packet will be packed into a UDP via ESP protocol and the inner packet it’s a ipv6 packet with srv6 end.dx4 action which means the structure of entire packet is: ...

November 13, 2025 · 2 min