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    How to set up a static IP in RB5

    Qualcomm Flight RB5 5G Drone
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    • R
      Roberto @tom
      last edited by 9 Mar 2022, 21:39

      @tom
      Thank you for reply, yes If I run:

      sudo ifconfig wlan0 192.168.178.201 netmask 255.255.255.0
      sudo route add default gw 192.168.178.1 wlan0
      

      works, but if I restart RB5 the script does not do his work, perhaps a chmod is needed?

      Roberto Calvi

      E 1 Reply Last reply 9 Mar 2022, 21:46 Reply Quote 0
      • E
        Eric Katzfey ModalAI Team @Roberto
        last edited by 9 Mar 2022, 21:46

        @Roberto It's probably a timing thing. Your service file doesn't have any dependencies so it gets run immediately on startup. Then a different service comes along and changes everything. Ideally you specify the service that is doing that as a dependency so you know yours will run after it. Just to debug you could add a big sleep before the commands and see if that solves the issue.

        R 1 Reply Last reply 9 Mar 2022, 22:46 Reply Quote 0
        • R
          Roberto @Eric Katzfey
          last edited by 9 Mar 2022, 22:46

          @Eric-Katzfey
          Thank you for help, what would you suggest? Perhaps a delay in the script or something similar?
          how do you suggest to do the startup log? and how could this sequence be organized correctly?
          Do you have a RB5 to test? Thank you for any help

          Roberto Calvi

          1 Reply Last reply Reply Quote 0
          • T
            tom admin
            last edited by 9 Mar 2022, 23:04

            @Roberto The "dumb" way to do it is to just put a sleep at the start of mystatic-ip.sh and gradually decrease the length to find the quickest sleep that works.

            Otherwise you'd have to reference another service in an "After" section to tell the service to start after the stated one

            Example:

            [Unit]
            Description=My static IP
            After=wlan_daemon.service 
            

            I know on VOXL wlan_daemon.service can be referenced, not positive whether it is on RB5 as well

            R 2 Replies Last reply 10 Mar 2022, 14:38 Reply Quote 0
            • R
              Roberto @tom
              last edited by Roberto 10 Mar 2022, 14:40 10 Mar 2022, 14:38

              RESOLVED: Thanks to @Eric-Katzfey & @tom

              1. First create a script:
              vi /etc/sudoers.d/mystatic-ip.sh
              

              Content of mystatic-ip.sh script:

              #!/bin/bash
              sudo ifconfig wlan0 192.168.178.201 netmask 255.255.255.0
              sudo route add default gw 192.168.178.1 wlan0
              
              1. Create a service:
              vi /etc/systemd/system/mystatic-ip.service
              

              Content of mystatic-ip.service file (that starts after wlan daemon):

              [Unit]
              Description=My static IP
              After=wlan_daemon.service
              
              [Service]
              ExecStart=/etc/sudoers.d/mystatic-ip.sh start
              
              [Install]
              WantedBy=multi-user.target
              

              To enable this service when the RB5 boots:

              systemctl enable mystatic-ip
              

              Reboot and you will have a static IP!

              Roberto Calvi

              R 1 Reply Last reply 10 Mar 2022, 15:37 Reply Quote 0
              • R
                Roberto @Roberto
                last edited by Roberto 10 Mar 2022, 15:38 10 Mar 2022, 15:37

                NOT RESOLVED 😖 @Eric-Katzfey & @tom

                Works on Reboot but not if I turn RB5 OFF wait a wile and afterwards I turn it ON

                Sometimes work and sometimes doesn't

                Somebody could please help me?

                Roberto Calvi

                1 Reply Last reply Reply Quote 0
                • R
                  Roberto @tom
                  last edited by 10 Mar 2022, 17:03

                  @tom & @Eric-Katzfey

                  List of services: (command to show active services)

                  systemctl list-units --type=service
                  

                  Screenshot 2022-03-10 alle 17.56.18.png

                  Some services are down like:
                  ● dnsmasq.service loaded failed failed dnsmasq - A lightweight DHCP and caching DNS server
                  ● lunch-make-scripts.service loaded failed failed lunch make scripts
                  ● mystatic-ip.service loaded failed failed My static IP

                  Somebody could please help me?

                  Roberto Calvi

                  E 1 Reply Last reply 11 Mar 2022, 17:05 Reply Quote 0
                  • E
                    Eric Katzfey ModalAI Team @Roberto
                    last edited by 11 Mar 2022, 17:05

                    @Roberto We will take a look and see if we can put together a solution over the next few days.

                    1 Reply Last reply Reply Quote 0
                    • T
                      tom admin
                      last edited by 11 Mar 2022, 18:00

                      @Roberto This combo consistently works for me:

                      sh-4.4# cat /usr/bin/rb5-wifi-static-ip.sh 
                      #!/bin/bash
                      
                      # wait for wlan0 to get it's initial IP from router
                      rb5-net-check wlan0 192.168
                      
                      # set new IP
                      sudo ifconfig wlan0 192.168.1.150 netmask 255.255.255.0
                      sudo route add default gw 192.168.1.1 wlan0
                      
                      sh-4.4# cat /etc/systemd/system/rb5-wifi-static-ip.service 
                      [Unit]
                      Description=WLAN0 Static IP Service
                      After=wlan_daemon.service
                      
                      [Service]
                      ExecStart=/usr/bin/rb5-wifi-static-ip.sh
                      
                      [Install]
                      WantedBy=multi-user.target
                      

                      Basically adding the rb5-net-check call which waits for wlan0 to get an initial valid IP before proceeding.

                      1 Reply Last reply Reply Quote 0
                      • T
                        tom admin
                        last edited by 11 Mar 2022, 18:40

                        @Roberto Or a slightly cleaner solution would be to keep your same script and just have the service depend on the rb5-net-check.service that is already enabled by default if you're running PX4:

                        sh-4.4# cat /etc/systemd/system/rb5-wifi-static-ip.service 
                        [Unit]
                        Description=WLAN0 Static IP Service
                        After=rb5-net-check.service
                        
                        [Service]
                        ExecStart=/usr/bin/rb5-wifi-static-ip.sh
                        
                        [Install]
                        WantedBy=multi-user.target
                        
                        R 1 Reply Last reply 12 Mar 2022, 14:15 Reply Quote 0
                        • R
                          Roberto @tom
                          last edited by Roberto 12 Mar 2022, 14:21 12 Mar 2022, 14:15

                          FINALLY SOLVED: Thanks to @tom
                          (added chmod and complete procedure for other users)

                          1. First create a script:
                          vi /usr/bin/rb5-wifi-static-ip.sh 
                          

                          Content of rb5-wifi-static-ip.sh script (with sample IP):

                          #!/bin/bash
                          
                          rb5_net='192.168'
                          drone_IP='192.168.178.201'
                          router_IP='192.168.178.1'
                          netmask_IP='255.255.255.0'
                          network_interface='wlan0'
                          
                          # wait for wlan to get it's initial IP from router
                          rb5-net-check $network_interface $rb5_net
                          
                          # set new IP
                          sudo ifconfig $network_interface $drone_IP netmask $netmask_IP
                          sudo route add default gw $router_IP $network_interface
                          
                          1. Give permission to script (if not, will give you message "Permission denied"):
                          chmod u+x /usr/bin/rb5-wifi-static-ip.sh
                          
                          1. Create a service:
                          vi /etc/systemd/system/rb5-wifi-static-ip.service
                          

                          Content of rb5-wifi-static-ip.service file:

                          [Unit]
                          Description=WLAN0 Static IP Service
                          After=wlan_daemon.service
                          
                          [Service]
                          ExecStart=/usr/bin/rb5-wifi-static-ip.sh
                          
                          [Install]
                          WantedBy=multi-user.target
                          
                          1. Enable this service when RB5 boots:
                          systemctl enable rb5-wifi-static-ip.service
                          

                          Restart RB5 and you will have a static IP!

                          Roberto Calvi

                          1 Reply Last reply Reply Quote 0
                          • T
                            tom admin
                            last edited by 14 Mar 2022, 17:00

                            @Roberto Thanks for your patience with this, I will make sure this script / service makes it into our next SDK release as well.

                            1 Reply Last reply Reply Quote 0
                            • M
                              mrawding
                              last edited by 30 Mar 2022, 15:48

                              If anyone else is interested - I found a way to enable static ip's for ethernet and wlan interfaces.

                              You'll need to install a file like below under /etc/systemd/systetem/ and run the following commands:

                              systemctl enable ipconfig.service
                              systemctl disable dhcpcd.service
                              
                              [Unit]
                              Description=A description for your custom service goes here
                              Requires=systemd-networkd.service
                              After=systemd-networkd-wait-online.service
                              
                              [Service]
                              Type=simple
                              ExecStartPre=/bin/sleep 10
                              ExecStart=/bin/systemctl restart systemd-networkd.service
                              
                              
                              [Install]
                              WantedBy=multi-user.target
                              

                              You'll also need to add this file under /etc/systemd/network/wlan0.network

                              [Match]
                              Name=wlan0
                              
                              [Network]
                              Address=192.168.0.169/24
                              #DHCP=yes
                              

                              Simply installing this service will allow most routers to keep the rb5 address the same when assigning IPs for a lease. Just comment #Address and uncomment DHCP to use dhcp.

                              You will also need to make sure to add the gatway to the routing table:

                              route add default gw $router_IP $network_interface

                              this is best to be configured as a oneshot service where the service has the field Requires=ipconfig.service

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