When backing up TrueNAS using the Web GUI, you are provided a .tar archive containing freenas-v1.db as well as pwenc_secret if you chose to back up the system seed. While there is no easy way to automate a configuration backup using the Web GUI, you can achieve the same goal using SSH.

Optional prerequisite: Configure …

The Problem

Netgear decided to remove the ability to send SMS messages on the Nighthawk M6. Having SMS sending capability is handy, especially for alerting on events such as Internet outages. This workaround implements a simple HTTP server using Perl that can be used to send messages through the device. Perl was chosen …

These tools were tested on a Netgear LB1120 and LB2120, however they probably work on other models.

Firmware Version: M18Q2_v12.09.163431
App Version: NTG9X07C_12.09.05.30
Web App Version: LBHDATA_03.03.103.176

Requires bash and curl. Tested with curl 7.68.0 and bash 5.0.17.

Reboot Modem

This script will allow you to …

Note: These instructions are based on VyOS 1.4-rolling-202307250317.

1. Confirm whether you have DNS forwarding enabled:

1$ show configuration commands | grep "set service dns forwarding"
2$

If nothing shows up then you can continue. If you do have forwarding configured, you need to consider disabling it or …

Backing up your switch configuration is a great way to save your bacon in the case of hardware (or user) error. You can automate this process on Brocade / Ruckus ICX switches using SCP, SSH public keys and some scripting.

First ensure that SCP and public key authentication are enabled on your switch:

 1SSH@switch#show …

Update: ab-tools has created a Docker image that has CUDA support baked in. You should be able to skip the below instructions and use this instead. Thanks ab-tools! https://hub.docker.com/r/abtools/wyoming-whisper-cuda

When trying to use the built in CUDA support on the Wyoming Whisper Docker container I received the …

When monitoring a host in Zabbix using the "ICMP Ping" template, you may experience the error "ping item must have target or host interface specified" if you create the host without defining an interface (ie. SNMP, agent, etc).

A quick Google search brings you to this Zabbix bug tracker entry: …

While attempting to extract firmware for my Lenovo T500 laptop from an ISO obtained from the Lenovo support site I noticed that the ISO appeared empty.

 1jeff@xyz:~/LenovoBIOS$ file 6fuj46uc.iso
 26fuj46uc.iso: ISO 9660 CD-ROM filesystem data '6FET93US' (bootable)
 3
 4jeff@xyz:~/LenovoBIOS$ sudo mount -o loop …

While working on a project where a fast microcontroller with Power over Ethernet capabilities made sense, I discovered the TTGO T-Internet (also known as T-ETH) PoE ESP32 board on Aliexpress.

I have used the TTGO T-Display in the past so I figured I'd give it a shot. In order to implement it in my design I had to …