Commands using xargs (769)

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Capture video of a linux desktop
This will grab the image from desktop, starting with the upper-left corner at x=100, y=200 with a width and height of 1024?768.

Use socat to emulate an SMTP mail SERVER
Lots of scripts show you how to use socat to send an email to an SMTP server; this command actually emulates an SMTP server! It assumes the client is only sending to one recipient, and it's not at all smart, but it'll capture the email into a log file and the client will stop retrying. I used this to diagnose what emails were being sent by cron and subsequently discarded, but you can use it for all sorts of things.

Get the Last tweet (Better than Twitter feed rrs)
I was using some twitter bots and twitter bloks my IP. Now im using some proxys and i use these command to validate the tweet was published.

Replace spaces in filenames with underscores

Extract content between the first " and the last " double quotes
Thanks to this user: https://stackoverflow.com/a/35636373/2394635

clear the cache from memory

Advanced python tracing
Trace python statement execution and syscalls invoked during that simultaneously

Advanced python tracing
Trace python statement execution and syscalls invoked during that simultaneously

How to know the total number of packages available

Send an http HEAD request w/curl


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