Ben Chuanlong Du's Blog

It is never too late to learn.

Lightdm Tips

Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!

  1. it seems that you can choose to enable VNC while starting lightdm. Does this solves the problem of auto-login? If you are allowed to login into the computer via VNC without …

Copying Files in Linux

Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!

  1. Generally speaking, you do not want to follow symbolic links when copying files unless you are copying from one machine to another. If you do not want follow symbolic links, use …

Tips on FFmpeg

Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!

It is suggested that you use OpenCV for Python and moviepy (instead of FFmpeg) to manipulate multimedia.

  1. extrac audio from video

  2. convert between different formats of audios

Record Screen

The command …

Tips on Vim

Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!

Vim Distributions

Reload File

:e!

https://unix.stackexchange.com/questions/149209/refresh-changed-content-of-file-opened-in-vim

/\cPatterToSearch

:set ignorecase

:set smartcase /copyright " Case insensitive /Copyright " Case sensitive /copyright\C " Case …

Tips on Wajig

Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!

Wajig on Debian Wiki

  1. You can type enter the CLI of wajig by typing wajig in terminal, so that you can use commands of wajig directly instead of typing wajig every …