Mermaid Graph Example
Example of using mermaid js to draw a subway network graph.
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Build DNS Server
Think of it as the phonebook of the internet. When you type a website address (like www.example.com), your computer needs to know the corresponding IP address (like 192.168.1.1) to connect. A DNS server acts as the intermediary, translating the human-readable domain name into the machine-readable IP address.
Clone & Run OpenBB on local machine
Want to give a try on opensource finance analysis tool, found OpenBB, record steps to install and run it locally.
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Expandable search bar with Angular animation
When you have a small space in web application toolbar, you may want to use icon button for a search feature, when click, it expands and displays an input search bar and allows you to type any search string and collapse when toggle close button, I’m going to implement an expandable search bar web component with Angular material & Angular animation support.
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Kubernetes cluster issue troubleshooting, certs renewal
Got some issue with kubernetes cluster recently, said: “Unable to connect to the server: tls: failed to verify certificate: x509: certificate has expired or is not yet valid”, so need a certs renew to fix this issue.
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RHEL 8 Install open VPN server
This article will show you how to host a vpn server on RHEL 8 via open VPN, the open VPN can be an option when you outside your home and want to access your home network.
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