netcat - Jacob Salmela

netcat

A collection of 6 posts

Introducing Sampo: A Bash API Server For Running Shell Scripts

Introducing Sampo: A Bash API Server For Running Shell Scripts

v1.0 of Sampo is an MVP. Written in bash, it is a shell script API server you can run directly in your terminal or via container on Kubernetes. It's open source and I hope you'll consider contributing. It looks like this if you run it directly in your shell:

Run PJL Commands From A Shell Script

Run PJL Commands From A Shell Script

I love learning obscure and under-utilized things in the tech world; PJL commands fit that bill. You can use PJL commands to get and set printer preferences. This includes getting the page count, setting the serial number, and changing the LCD display message. I was recently tasked with evaluating our

Create A Website On Your Mac Without A Webserver

Do you need a Website set up right meow? Using netcat (nc), you can use your Mac to instantly set up a Webpage without configuring a Web server. This could be used to quickly share files via a Web browser (by creating a hyperlink with file:///some/filepath/), or it

Send Commands To All Installed Printers

Send Commands To All Installed Printers

Using a simple for loop, you can send a PJL command to all of the printers installed on your machine. For instance, if you wanted to change the display message on all your networked HP printers, you could loop through all the IP addresses and send it a command. Finding

Change The Serial Number On HP Printers Using Printer Job Language And netcat (or ftp)

Change The Serial Number On HP Printers Using Printer Job Language And netcat (or ftp)

Serial numbers sometimes default to XXXXXXXXXX after having a component replaced or the firmware being updated. The Web interface does not offer a way to set the serial number, but this can be accomplished with some Terminal commands. For the sake of this walkthrough, it is recommend to use vim

Freak Out Your Friends By Changing The "Ready" Message On HP Printers

Freak Out Your Friends By Changing The "Ready" Message On HP Printers

How The Trick WorksYou create a file or enter some Terminal commands, which get sent to the printer. Instead of printing out what you typed, the printer recognizes that the text is actually a set of instructions, known as the Printer Job Language (PJL), which are then carried out by