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move a lot of files over ssh
copy files to a ssh server with gzip compression

Update all packages installed via homebrew

Convert CSV to JSON
Replace 'csv_file.csv' with your filename.

Which processes are listening on a specific port (e.g. port 80)
swap out "80" for your port of interest. Can use port number or named ports e.g. "http"

Synchronise a file from a remote server
You will be prompted for a password unless you have your public keys set-up.

Generate an XKCD #936 style 4 word password
The improvement of this command over Strawp's original alternative is that you can specify the size of the words, in this particular case words between 3 and 5 character's long. It also excludes words that contain apostrophes, if you'd rather keep those words simply substitue [^'] for .

Mount a partition from within a complete disk dump
Suppose you made a backup of your hard disk with dd: dd if=/dev/sda of=/mnt/disk/backup.img This command enables you to mount a partition from inside this image, so you can access your files directly. Substitute PARTITION=1 with the number of the partition you want to mount (returned from sfdisk -d yourfile.img).

Which processes are listening on a specific port (e.g. port 80)
swap out "80" for your port of interest. Can use port number or named ports e.g. "http"

Map the slot of an I/O card to its PCI bus address
Recent hardware may or may not enumerate *both of* these values

Find all Mac Address
Is the better option on a Open SuSE Box


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