Commands tagged bittleships (1)

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AWK: Set Field Separator from command line

Show total size of each subdirectory, broken down by KB,MB,GB,TB

print DateTimeOriginal from EXIF data for all files in folder
see output from `identify -verbose` for other keywords to filter for (e.g. date:create, exif:DateTime, EXIF:ExifOffset).

Get all mac address

Find distro name and/or version/release
Works for most distributions, tested on Ubuntu, Fedora, CentOS, Gentoo, SUSE, RedHat. Debian and Slackware: $cat /etc/*version

Lists all clients of a Squid proxy
Generates the list of clients (IPs addresses) that have used the Squid webproxy according to the most recent log. Every IP appears only once in the list.

tree command limit depth for recusive directory list
sometimes I need list from path with max limit for recursive depth directory listing

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"

send DD a signal to print its progress
Sends the "USR1" signal every 1 second (-n 1) to a process called exactly "dd". The signal in some systems can be INFO or SIGINFO ... look at the signals list in: man kill

Text to image with transparent background
Create transparent image to use as icon, watermark for other images, etc.


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