45.3°C @Bondi Beach
HK Global Geopark of China
頤和園。北京
The Unforgettable @Mykonos
Singapore Botanic Garden
紫蓮 迪欣湖
水泛金光 萬宜水庫
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SSL Key Ownership

Issue: After receiving renewal notice from Let's Encrypt for Jupyter server, go to the virtual machine hosting Jupyter and renew ...
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CSS List item style a) b)

Issue Default ordered list item style is decimal number, lower/upper alpha, lower/upper roman then followed by a dot. Thought it's ...
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MathJax Load Failed – WP Security Plugin

Issue After installing a WordPress security plugin call All-In-One WP Security, MathJax failed to load some JS including. Solution In ...
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Grohe Bath/Shower Mixer Diverter Replacement

Background Prior to doing some research, don't trust any expert in plumbing service. It's because the return of the finding ...
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CentOS VM Client Can’t Boot Up

Issue VirtualBox client CentOS can't boot up with error message: [FAILED] Failed to start Virtual Machine and Container Registration Service ...
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Jupyter Notebook on Boot Automatically

Issue After making the file to create a system service for jupyter notebook running on CentOS so as to start ...
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PHP 7 & Related Issues

Background After installing a WordPress plugin - WP Health, it's reminded that PHP5 had no longer been supported since late ...
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Centos7 Virtualmin Upgrade PHP7 MariaDB

This is my first blog after upgrading to WordPress 5.1 from ver.4.8. Yes, I never tried 5.0 as it's always ...
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Protected: Health Check for Life Insurance & Security Assessment

This content is password protected. To view it please enter your password below: Password: ...
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Cannot launch or remove iTunes from Mac High Sierra

Issue: when launching iTunes, it closed immediately after clicking the icon and appeared in half a second, then error screen ...
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