![]() Kill ALL running wpa_supplicants (pgrep -a and then kill each and every one of them).If there's only one, then the next thing to try would be to get some additional debug output from wpa_supplicant: If there's more than one, Kill the one with the lowest PID. Check that there is only one wpa_supplicant running pgrep -a wpa. May 08 00:41:34 raspberrypi wpa_supplicant: wlan0: Failed to initiate sched scan May 08 00:41:26 raspberrypi wpa_supplicant: wlan0: Failed to initiate sched scan May 08 00:41:19 raspberrypi wpa_supplicant: wlan0: Failed to initiate sched scan ![]() May 08 00:41:11 raspberrypi wpa_supplicant: wlan0: Failed to initiate sched scan May 08 00:41:03 raspberrypi wpa_supplicant: wlan0: Failed to initiate sched scan May 08 00:40:29 raspberrypi wpa_supplicant: Successfully initialized wpa_supplicant May 08 00:40:23 raspberrypi systemd: Created slice system-netplan\x2dwpa.slice. Here's what it should look like:Ĭode: Select all $ sudo journalctl -b | grep wpa Taking a quick look at your wpa_nf, it appears that you've lost the ctrl_interface line, which is probably why you're seeing the above in the log. Obviously it didn't connect because there's a problem. May 07 23:24:05 raspberrypi wpa_supplicant: wlan0: Failed to initiate sched scan May 07 23:23:58 raspberrypi wpa_supplicant: wlan0: Failed to initiate sched scan May 07 23:23:50 raspberrypi wpa_supplicant: wlan0: Failed to initiate sched scan May 07 23:23:43 raspberrypi wpa_supplicant: wlan0: Failed to initiate sched scan May 07 23:23:35 raspberrypi wpa_supplicant: wlan0: Failed to initiate sched scan May 07 23:23:27 raspberrypi wpa_supplicant: wlan0: Failed to initiate sched scan May 07 23:23:20 raspberrypi wpa_supplicant: wlan0: Failed to initiate sched scan May 07 23:23:12 raspberrypi wpa_supplicant: wlan0: Failed to initiate sched scan May 07 23:23:05 raspberrypi wpa_supplicant: wlan0: Failed to initiate sched scan May 07 23:22:57 raspberrypi wpa_supplicant: wlan0: Failed to initiate sched scan May 07 23:22:49 raspberrypi wpa_supplicant: wlan0: Failed to initiate sched scan ![]() May 07 23:22:42 raspberrypi wpa_supplicant: wlan0: Failed to initiate sched scan May 07 23:22:34 raspberrypi wpa_supplicant: wlan0: Failed to initiate sched scan May 07 23:22:27 raspberrypi wpa_supplicant: wlan0: Failed to initiate sched scan May 07 23:22:19 raspberrypi wpa_supplicant: wlan0: Failed to initiate sched scan ![]() May 07 23:22:10 raspberrypi wpa_supplicant: wlan0: Failed to initiate sched scan May 07 23:22:07 raspberrypi sudo: pi : TTY=pts/0 PWD=/home/pi USER=root COMMAND=/usr/bin/nano /etc/wpa_supplicant/wpa_nf ![]() May 07 23:22:03 raspberrypi wpa_supplicant: wlan0: Failed to initiate sched scan May 07 23:21:55 raspberrypi wpa_supplicant: wlan0: Failed to initiate sched scan May 07 23:21:47 raspberrypi wpa_supplicant: wlan0: Failed to initiate sched scan May 07 23:21:40 raspberrypi wpa_supplicant: wlan0: Failed to initiate sched scan May 07 23:21:32 raspberrypi wpa_supplicant: wlan0: Failed to initiate sched scan May 07 23:21:25 raspberrypi wpa_supplicant: wlan0: Failed to initiate sched scan May 07 23:18:49 raspberrypi wpa_supplicant: Successfully initialized wpa_supplicant Let's say local network is 192.168.0.0/24 and you want to scan it, run the command: nmap 192.168.0.Code: Select all May 07 23:18:49 raspberrypi wpa_supplicant: Successfully initialized wpa_supplicant Nmap done: 1 IP address (1 host up) scanned in 4.38 seconds Run nmap command and provide the IP address of a network device as argument: nmap 192.168.0.150Ĭommand prints which ports are open and what services are running on that device: Nmap scan report for 192.168.0.150 To verify whether the installation has completed successfully, check version of Nmap: nmap -version To install Nmap, execute the command: sudo apt install -y nmap This tutorial describes how to install Nmap on Raspberry Pi.Ĭonnect to Raspberry Pi via SSH and make sure the package lists are up-to-date: sudo apt update Nmap allows to find what devices are connected to the network, what services are available and what operating systems are running on these devices, which ports are open, etc. Nmap is a command line tool for network scanning and security auditing. ![]()
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