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Hostapd - detect and execute command when a device is connected - error
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This sounds like, there is no such file at the specified path: /onHostapdChange.sh I would suggest you try to put the full path of the shell script inside the argument.

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Problems getting a WiFii hotspot working on a Raspberry Pi using an external Wi-Fi module
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Of course there are other ways to make this work, but I would suggest to stick with the official guide by the Raspberry Pi foundation for creating an access point. Then you can be sure that it will ...

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1k views
How to assign static IP address to Raspberry Pi Model 3+ connected via Wi-Fi?
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It is basically the same way you would do it for your ethernet interface, you simply need to use the name of your wireless interface (presumably) wlan0. In Raspbian stretch (lite), if you add this ...

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Capturing Link layer frames
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Here is what you can see with wireshark (or any other similar tool): Promiscuous mode: IEEE802.11 data frames exchanged between your client device and the access point (you won't see any traffic ...

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linux wifi 802.11n messup
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Are you sure your Ralink RT2870/RT3070 chipset actually works on 5GHz channels? A quick google search tells me that the RT3070, which is the transceiver chip is 2.4 GHz only. When a chipset ...

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Wireshark: interfaces refresh with monitor mode unchecked when I check it
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This behaviour can be observed, when your wireless interface is not in monitor mode, but e.g. in managed mode. To fix this, on a Linux machine do e.g. the following (replace wlan0 with the name of ...

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843 views
How often will an unassociated STA scan the network?
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It is implementation specific. If you e.g. look at wpa_supplicant in Linux, here you have the possibility to control the scanning interval inside the configuration file: wpa_supplicant.conf ...

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Raspberry pi 3 bridge Wifi to Lan
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You are using a rather old tutorial that will not work properly on Raspbian Stretch. On Raspbian Stretch you better set your static IPs in /etc/dhcpcd.conf. I suggest you to try the current ...

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I want my raspberry pi 3 b to automatically connect to a wireless network via antenna
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You can e.g. use the wpa_supplicant command line interface wpa_cli to connect to a network. As you want to use the interface wlan1, you simply have put it as parameter. This is an example for wpa_cli ...

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Record incorrect password/key used to attempt to connect to hostapd network
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As Spiff already mentioned neither the password nor the 256-bit pairwise master key PMK (derived from the password and the SSID) are exchanged between station and access point during the 4-way ...

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