i created a tap and gave it an address like that:
sudo ip tuntap add mode tap dev tapa
sudo ip addr add 192.168.2.20/24 dev tapa
sudo ip link set dev tapa up
and i use it in an omnet++ simulation and i want to connect a real application so that all the packets from the application will go only through that TAP.
is it possible and how?
Related
I'm new to raspberry pi's and Linux in general. I'm setting up some Pi's to access a webpage. I have tried using:
nano /home/pi/.config/lxsessions/LXDE-pi/autostart
then adding the line
#chromium-browser www.etc.com
but what I found is that while it auto starts chromium, it boots into openbox and the ethernet interface is disabled. I made sure to add
sudo nano /etc/network/interfaces and iface eth0 inet dhcp, but when I reboot again it changes nothing.
So my main question is how do I either make this same thing boot into the desktop AND open chromium, or have chromium startup auto AFTER boot up and log in.
I appreciate any insights and/or help with this.
You can run this alongside the GUI using the method below. I had the same issue and this was the only suggested method that worked.
sudo nano /etc/xdg/autostart/myapp.desktop
(Replace myapp with the desired file name)
Then add this to the file:
[Desktop Entry]
Exec=chromium-browser https://stackoverflow.com
Source : https://www.tomshardware.com/uk/how-to/run-script-at-boot-raspberry-pi
$ lsusb
Bus 001 Device 014: ID 12d1:14fe Huawei Technologies Co., Ltd. Modem (Mass Storage Mode)
$ gammu-detect
; Configuration file generated by gammu-detect.
; Please check The Gammu Manual for more information.
[gammu]
device = /dev/ttyS2
name = Phone on serial port 2
connection = at
The modem is detected as mass storage. I want the modem to be detected as Modem/Networkcard
I have searched and tried and finally this worked for me
Solution 1:
- /etc/mode_switch.config and turn on the following flag:
DisableSwitching=1
Go to following folder and create the 12d1:14fe file
$ cd /etc/usb_modeswitch.d/
$ sudo tar -xzvf /usr/share/usb_modeswitch/configPack.tar.gz 12d1:14fe
Edit 12d1:14fe file and add following lines and save it
DefaultVendor=0x12d1
DefaultProduct=0x14fe
TargetVendor=0x12d1
TargetProduct=0x1506
MessageContent="55534243123456780000000000000011062000000100000000000000000000"
If you remove the USB dongle and reconnect it. You have to run following command to bring it back in modem mode
sudo usb_modeswitch -c /etc/usb_modeswitch.d/12d1\:14fe
To auto detect the USB dongle as modem when it is connected then set following rule
sudo touch /etc/udev/rules.d/huawei_e3331.rules
Then create add following rules to file and save it
ACTION=="add", SUBSYSTEM=="usb", ATTRS{idVendor}=="12d1", ATTRS{idProduct}=="14fe", RUN+="/usr/sbin/usb_modeswitch -v 0x12d1 -p 0x14fe -V 0x12d1 -P 0x1506 -M '55534243123456780000000000000011062000000100000000000000000000'"
$ gammu-detect > .gammurc
$ sudo gammu-detect > .gammurc
$ gammu identify
Device : /dev/ttyUSB0
Manufacturer : Huawei
Model : unknown (E3331)
Firmware : 21.146.07.01.158
IMEI : 869************
SIM IMSI : 412************
$ echo "test" | sudo gammu sendsms TEXT 070*******
you will receive a test message
First of all, make sure that your mobile card has 3G permission, that is, 186 mobile phone number, and other 2G mobile phone numbers can also have 3G permission;
Anyway, it is the Unicom card of Waupaca brand;
Second, isn't there a PC Suite in the software of connecting the mobile phone to the computer? In the middle of the software installation, you will be asked if you want to install the driver, which must be confirmed. After that, if you uninstall the software, you can version it, but you can't uninstall the driver;
Connect the phone cable to the USB port of the computer. There will be an Android adapter in the computer manager, which means the driver is installed;
When the mobile phone is connected to the computer, it can't turn on the U-disk mode;
Run daily up for Android on the computer... Just click Connect right
It takes a lot of traffic
While following the instructions on Get Started with Edge TPU Dev Board, I can't get past Step 2:
$ screen /dev/ttyUSB0 115200
The issue is that screen immediately returns
[screen is terminating]
I have verified the contents of /etc/udev/rules.d/65-edgetpu-board.rules, verified the dmesg output, tried different USB ports, verified that all screen instances are closed, etc.
Solution = run screen command with sudo:
$ sudo screen /dev/ttyUSB0 115200
First you should flash your iptables
Coammands:
sudo iptables -F
mdt devices
I have a Pi that runs hostapd and dhcpd on arch linux to create it's own land with the Pi's (routers) IP being 10.0.0.1. This uses the wlan0 interface and it only serves as a standalone router running a web server.
Once I connect to the Pi, I use 10.0.0.1 to display the web pages, but I want to use a hostname such as firepi. I have tried using dnsmasq, but I haven't been successful. Any help would be greatly appreciated especially if you can give me some detailed examples as I am a novice.
The purpose of this system is that I have created a web app that you can use to ignite fireworks over WiFi at a safe distance. I would just like the convenience of using a hostname instead of the IP address.
I must add that I will more than likely be using an iPhone to connect to the server, should this affect anything.
Not too sure how or why but this is what I did and it is successfully working now, so this is just for future users who may need a similar setup to mine.
First I installed hostapd and dhcpd and made sure they were working. Next I changed '/etc/hostname' to firepi and the '/etc/hosts' and added '10.0.0.1 firepi'. Then I installed dnsmasq, and set the interface to wlan0, and finally added '10.0.0.1 firepi' to '/etc/resolv.conf'.
After a full reboot, I joined the network on my iPhone, navigated to firepi and sure enough, it worked!
Thanks to the other users for their advice and tips.
You can use avahi on Arch as well to resolve your hostname:
sudo pacman -S avahi nss-mdns
Start the avahi daemon:
sudo systemctl enable avahi-daemon.service
sudo systemctl start avahi-daemon.service
Edit /etc/nsswitch.conf
sudo vim /etc/nsswitch.conf
Change the line:
hosts: files myhostname dns
to
hosts: files myhostname mdns_minimal [NOTFOUND=return] dns
Reboot
Note: don't forget to add .local to your hostname.
See also:
http://blog.pixxis.be/post/77285636682/resolve-hostname-with-arch-linux-on-a-raspberry-pi
If you just want to be able to use "firepi" as hostname to connect to it, you can simply add it to your /etc/hosts file using the syntax "IP host".
To make it as easy as possible, run this command as root:
echo "10.0.0.1 firepi" >> /etc/hosts
That'll do the trick.
Can you try avahi ?
sudo apt-get install avahi-daemon and
sudo apt-get install avahi-browse
I've successfully used that on Raspian. Unless you change the hostname using
sudo raspi-config you will access via raspberrypi.local
Note that if you plan to access the RPi from Windows you will need to install Bonjour Service first(if you have iTunes intalled, you might have those, run services.msc and check if the Bonjour Service is started)
Another note: On a friend's iphone I've installed a generic vnc client and had x11vnc running on the RPi and succesfully managed to connect to the RPi (since avahi-daemon was installed)
I'm trying to capture packets from my iPhone app. It does not use HTTP to communicate, but a custom protocol to connect with my server. I can not use Paros to monitor the packets sent.
Is it possible to proxy the date through wireshark just like you can with Paros for http?
You can't proxy the data through Wireshark, per se; the problem is to have Wireshark running somewhere where it can see the traffic passing by. (If you had command line only, you could run tcpdump and capture packets, and then load the dump file into Wireshark somewhere else that had a UI.)
Are you on a Mac? If so, plug your mac into ethernet so that it has an internet connection (or connection to your server, anyway). Then share your Mac's internet connection over its wifi. Connect to this wifi point using your iPhone. Run Wireshark on the Mac (promiscuous mode enabled), then use your iPhone app and watch Wireshark. No need to mess around with servers or forwarding X11 connections! You could do something very similar with a Windows PC too.
The best solution that works:
Connect your device thru USB and type these commands:
rvictl -s UDID (UDID = id of device, 32 chars, you can locate it in iTunes or 'Devices & Simulators' in Xcode)
sudo launchctl list com.apple.rpmuxd
sudo tcpdump -n -t -i rvi0 -q tcp
OR just sudo tcpdump -i rvi0 -n
If rvictl is not working install Xcode (or see -bash : rvictl: command not found, Mac book pro OS X 10.7.5 & Xcode 4.6)
For more info:
Remote Virtual Interface
http://useyourloaf.com/blog/2012/02/07/remote-packet-capture-for-ios-devices.html
Run wireshark on the server - you'll see the traffic there.