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Raspberry Pi User Help

Problems with Huawei me909u521 modem in Raspberry Pi 3 b+

I have the Huawei me909u521 modem attached to RPi 3 b+ via sixfab LTE hat (connected by GPIO). The Rpi is detecting the modem: pi@raspberrypi:~$ lsusb Bus 001 Device 004: ID 12d1:1573 Huawei Technologies Co., Ltd. Bus 001 Device 005: ID 0424:7800 Standard Microsystems Corp. Bus 001 Device 003: ID 0424:2514 Standard Microsystems Corp. USB […]

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Raspberry Pi User Help

Configure back to normal wifi station after access point mode (hostapd)

I have set up access point according to the manual https://www.raspberrypi.org/documentation/configuration/wireless/access-point-routed.md on respberry pi 4b. It works fine. Now I need to disable AP and connect my Rpi to a router. This is a short log of what I do: stop hostapd and restart wpa_supplicant and networking pi@kyb-pi4 ~> sudo systemctl stop hostapd pi@kyb-pi4 ~> […]

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Linux Mastering Development

Arch Linux install: wlan0 is up but not connecting to Wi-Fi

I’m trying to install Arch Linux on a Lenovo Harman/Kardon IdeaCentre, and I can’t start a working internet connection. $ ping archlinux.org ping: archlinux.org: Name or service not known $ ping 8.8.8.8 ping: connect: Network is unreachable This is after I have connected to my home Wi-Fi. I tried using an external network interface but […]

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Linux Mastering Development

Arch linux install: wlan0 is up but not connecting to wifi

I’m trying to install arch linux on a Lenovo Harman/Kardon ideacentre, and I cant seem to start a working internet connection. ping archlinux.org attempts come back with ping: archlinux.org: Name or service not known For ping 8.8.8.8 it comes back with ping: connect: Network is unreachable This is after I have connected to my home […]

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Raspberry Pi User Help

USB Ethernet / RNDIS is working over my desktop computer but not from my android phone

After following some guides, I was able to get a USB SSH connection working from my Windows 10 computer into my Raspberry Pi 4. It won’t work on my phone though, even though my phone is capable of tethering. I’ve tried both the ‘IP Neighbors’ method and also the static IP address as recommended by […]

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Linux Mastering Development

Network interfaces in deban: wifi and usb-ethernet

Just installed Debian on an iMac5,1. X11 simply doesn’t work so this is all on the command line. I have the built-in ethernet connected to my home broadband hub. All good. I’d like to get the wifi working. # lspci … 03:00.0 Network controller: Broadcom Limited BCM4321 802.11a/b/g/n (rev 01) … # apt-get install firmware-b43-installer […]

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Mastering Development

Why is Spark so slow to get data

I am a newbie to spark and I just took over the spark/kafka project. Now the spark consumption rate is very slow. I checked the logs and found the following logs. I think this may be the key to the problem. 2020-10-11 16:26:07 INFO Executor:54 – Running task 2.0 in stage 389.0 (TID 5837) 2020-10-11 […]

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Mastering Development

Ifconfig command doesn’t show wifi adapter

I have a little problem. I have 2 wifi adapters at home (1 TP-link T2U AC600 plus and a TP-link T4U AC1300), I installed the driver and have acces to the internet. So I think the configuration went well. The problem is, when I enter the Ifconfig command on my macbook it doesn’t recognize the […]

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Linux Mastering Development

Network interfaces in deban: wifi and usb-ethernet

Just installed Debian on an iMac5,1. X11 simply doesn’t work so this is all on the command line. I have the built-in ethernet connected to my home broadband hub. All good. I’d like to get the wifi working. # lspci … 03:00.0 Network controller: Broadcom Limited BCM4321 802.11a/b/g/n (rev 01) … # apt-get install firmware-b43-installer […]

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Mastering Development

A bot that says user input

So basically, I’m trying to get my code to make my bot see that when a user types ‘t!say #channel "message"’ in any text channel, the bot will go to the specified channel and say "message" const { MessageEmbed } = require(‘discord.js’); module.exports = { name: ‘say’, aliases: [‘bc’, ‘broadcast’], description: ‘Says your input via […]