Commands tagged rtmp (1)

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Make a thumbnail image of first page of a PDF.
convert is included in ImageMagick. Don't forget the [X] (where X is the page number). [0] is the first page of the PDF.

Find public IP when behind a random router (also see description)
Depends on GET. You can also replace GET with curl, or `wget -qO -` if GET isn't available.

Display the history and optionally grep
Place this in your .bash_profile and you can use it two different ways. If you issue 'h' on its own, then it acts like the history command. If you issue: $ h cd Then it will display all the history with the word 'cd'

Adhoc tar backup
Creates a quick backup with tar to a remote host over ssh.

Install pip with Proxy
Installs pip packages defining a proxy

Switch to a user with "nologin" shell
You need sudo privileges for this command. Replace username with actual username.

Convert JSON to YAML
Requires installing json2yaml via npm: npm install -g json2yaml (can also pipe from stdin) Ref: https://www.npmjs.com/package/json2yaml

Press a key automatically
Press a key automatically via xvkbd.

Split huge file into DVD+R size chunks for burning
Real DVD+R size is 4700372992 bytes, but I round down a little to be safe. To reconstitute use cat. "cat file.img.gz.aa file.img.gz.ab ..... > file.img.gz"

Get fully qualified domain names (FQDNs) for IP address with failure and multiple detection

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