j3ffyang – Medium

j3ffyang

Document Summarization with Retriever in LangChain

Objective

3 min readJan 29, 2024

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Document Summarization with Retriever in LangChain

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j3ffyang

Enable `zsh` in Manjaro

I have been a typical bash user for almost 30 years. Recently I became curious about zsh and decided to give a try on my Manjaro Linux. The…

2 min readDec 23, 2023

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Enable `zsh` in Manjaro

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j3ffyang

Download YouTube with `pytube`

If you love Python and want to write your own code, here’s a good and simple practice when you download a video from YouTube. Use your own…

1 min readDec 11, 2023

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j3ffyang

Install GPT LLaMa Model on Laptop

Objective

3 min readApr 22, 2023

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Install GPT LLaMa Model on Laptop

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j3ffyang

Switch to `iwd` from `wpa_supplicant` for WiFi management on Linux

Why do I do this:

2 min readJan 3, 2023

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j3ffyang

Create a Certificate with `cert-manager` in Kubernetes

We’re going to create a cross-namespace certificate with clusterIssuer of cert-manager, which simply handles all the required operations…

2 min readDec 24, 2022

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j3ffyang

Configure PEAP-MSCHAPv2 Wireless on Fedora Linux

Objective

2 min readApr 14, 2022

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j3ffyang

Cleanly Manage Packages in Fedora on MacBookPro

Background

1 min readFeb 25, 2022

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Cleanly Manage Packages in Fedora on MacBookPro

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j3ffyang

Install Fedora on MacBook Pro 16,2 with Broadcom 4364 Chipset

Background

3 min readFeb 14, 2022

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Install Fedora on MacBook Pro 16,2 with Broadcom 4364 Chipset

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j3ffyang

Backup etcd in Kubernetes (and Restore)

For Kubernetes production, a separated etcd cluster with 3 nodes, outside of Kubernetes is preferred. Then a disaster recovery plan for…

2 min readJan 7, 2022

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j3ffyang

j3ffyang

ardent linux user, opensource, kubernetes containerization, blockchain, data security. handler of @analyticsource and @j3ffyang

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