Listing Unity's Scopes and Originating Package

I recently upgraded to Ubuntu 14.04 (beta2), and I got all of my "lenses" (searching additional items in the dash menu), that look like this:

Of course there's a way to disable those lenses, but I actually want to remove those I'll never use (like flickr).
The ...

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Mass-Checking SSH Connections using Parallel

Today I wanted to make sure I have SSH access to about 100 servers.
Obviously, I wasn't going to verify the list by hand, so I put all of the servers' names in a file, and wrote this little script:

for NAME in $(cat ~/Desktop/server-names)
do
        echo -n ...
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