Yutong Li's Blog

Kubernetes, Embedded Dev, etc.

Rainbow Light Cycle for the UniFi LED Bar

A small shell script that fades a UniFi LED bar through a continuous rainbow cycle.

5 min read · January 24, 2024

2024 · unifi led shell IT · IT
Logging in to Ubuntu with LDAP Accounts via nslcd

Set up libpam-ldapd (nslcd) so that users from an LDAP directory can log in to an Ubuntu machine.

9 min read · October 29, 2023

2023 · ldap nslcd ubuntu IT · IT
Mounting CephFS on a Client with cachefilesd Caching

Install the Ceph client, mount CephFS via /etc/fstab, and cache frequently used files on local NVMe with cachefilesd.

4 min read · October 29, 2023

2023 · ceph cephfs cachefilesd IT · IT
Debugging C/C++ in VS Code on Apple Silicon with clang++ and LLDB

A minimal tasks.json and launch.json setup for building and debugging the active C/C++ file on an arm64 Mac.

7 min read · March 16, 2022

2022 · vscode cpp clang lldb IT · IT