Convert MKV video to MP4 via Terminal

Converting MKV video is super fast via terminal. This can be done on Linux or Mac.

Install ffmpeg

sudo apt-get install ffmpeg
sudo brew install ffmpeg


To convert video.mkv to video.mp4 use the command below:

ffmpeg -i video.mkv -vcodec copy -acodec copy video.mp4

This 183MB file took less than 20 seconds to convert.screen-shot-2016-09-22-at-22-13-42

This 183MB file took less than 20 seconds to convert.

Tip: To convert all the mkv files in current directory, run a simple loop in terminal:

for i in *mkv; do ffmpeg -i $i -vcodec copy -acodec copy $i.mp4; done

Run a HTTP server in any folder (Mac)

Use this one-liner to serve any directory on Mac on the local network. Navigate to the directory in the terminal first.

python -m SimpleHTTPServer 8000

You can also leave the port out so that it uses the default port 80.

Now, in a browser, type in the below to access the directory files.


Use CTRL+C to end.

If other devices on the local network want to access, replace localhost with your local ip e.g. below:

Screen Shot 2016-07-16 at 23.15.23

Reading Mac OS X formatted hard drives on Windows

Many people using both Mac OS X and Windows may have come across interoperability issues. As one such user, my most common one is reading my Mac formatted hard drive on Windows for various purposes. There is an easy solution. Download HFS Explorer and you can read all your Mac formatted hard drives. Just copy/ extract the files you need to your Windows PC!