Jl381a Firmware -

Access the HPE Networking Support site and filter by the SKU JL381A to find the latest .swi image files and release notes.

Tasks observed (via strings and interrupt disassembly): jl381a firmware

sudo dfu-util -a 0 -s 0x08000000:leave -D firmware.bin Access the HPE Networking Support site and filter

The current firmware for the JL381A belongs to the PD.02.xx branch. jl381a firmware

AT+CFS=read,0x3B2000,512 > returns LittleFS superblock

If any of these symptoms sound familiar, do not replace the hardware just yet. A reflash might restore full functionality.

Historically, the JL381A has transitioned through several major Comware versions (often denoted as Release 24xx, 31xx, etc.).

The use of defer in Go

Marco Franssen

January 9, 2019

In my previous blog post I have covered how to setup your development environment for Golang including a simple hello world. In case this is your first Go project please have a look on this blog post first and then come back to learn about the use of defer in Go. Defer will always be triggered at the end of a function. So even if the code panics in some location of the executing code it will guarantee the deferred code will be executed. A panic in Go is an unhandled error and causes the program…

Start on your first Golang project

Marco Franssen

December 31, 2018

A couple of months ago I started to do some coding in Go a.k.a Golang. Not only because they have an awesome logo ;-). My main reason was because I wanted to have something running as bare metal as possible on my Raspberry Pi and I wanted to have it available for different platforms to be easy to install. Some other reasons are the ease of creating async code by using Go in front of your methods and the unique approach of channels to sync between go routines (threads). I have been reading a lot…

Merge multiple gradle projects including git history

Marco Franssen

December 22, 2018

As we started 2 years ago with a micro-service architecture we faced some issues in the productivity of the teams a while ago. This made me think what we could do about that from an architecture and development point of view. As we used different Git repos for the various components of our micro services in the long run it became harder and harder for developers to work with those components. At that point in time I decided to simplify the development workflow to merge the different Git repos of…

Responsive Adaptive Progressive impressive webpages

Marco Franssen

May 19, 2018

In the last couple of years web applications technologies and frameworks went through a fast paced transformation and evolution. For all these evolutions there was coined a marketing term which (by coincidence) all end on …ive. So lets coin another one. In this article I'm going to explain you the basic concepts of all these principles which combined allow you to build an impressive web application. Responsive Web Design It started all back in (from top of my head) late 2010, with the idea of…

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Jl381a Firmware -

More Stories

The use of defer in Go

Start on your first Golang project

Merge multiple gradle projects including git history

Responsive Adaptive Progressive impressive webpages