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Using tee to pipe ls and grep output into tail command without a script

I have an issue running through log files. I'm looking to use ls to create a list of files in the log directory and grep to run through for the specific instances/times the file ran. I only want to ...
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FFmpeg command line with option tee muxer, output to video file, and image2 muxer at the same time

I would like to save still images from a video, which is on a direct http URL. At the same time I want to save the video as well. How can I use ffmpeg with its special tee muxer to save the images and ...
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update terminal title from standard output of long running command?

I'd like to change the title of a terminal window during a long running command (for example: git svn fetch) with values greped from the output, whilst still writing to standard output. Is this ...
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How to install libelfg0-dev on ubuntu 16.04 LTS 64bit version

I am trying to setup Open-TEE environment by following the instruction from https://open-tee.github.io/documentation/ The Open-TEE requires installing libelfg0-dev. But when I run sudo apt-get ...