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Research Notebook

Linux Tricks

How to redirect stdout and stderr output messages to a file?

$ command > file.txt 2>&1

PPM to YUV

$ cat images/*.ppm | ppmtoy4m > video.yuv

YUV to PPM

$ y4mtoppm < video_input.y4m | pnmsplit - "%d.ppm"

How to invert screen colors in GNU/Linux distros

xcalib -i -a

How to use sshfs to mount remote file systems over SSH

ssh user@xxx.xxx.xxx.xxx:/remote_dir /local_dir