Tools 效率工具

Screen

Create a virtual screen:

screen -S [name]

• Exit screen: Ctrl+A, D
• Scroll: Ctrl+A, Escape

Search history

history | grep 'something'

Find & kill a process 关闭残留进程

ps -elf | grep python
kill -9 pid

Monitor GPU utilization 监督GPU使用率

watch -n 1 -d nvidia-smi

Image & Video Operations 图片视频操作

FFMPEG

Compress a video 视频压缩

ffmpeg -i [src] -r 25 -b 3.5M -ar 24000 -s 960x540 [dst]

Image resolution 查看图片的分辨率信息

file [filename]

Del small-size images 删除所有的小于10k的jpg图

find . -name "*.jpg" -type 'f' -size -10k -delete