How do I solve error "couldn't start tshark" in foren6 - github

I'm trying to use foren6 tool in contiki OS. I'm trying to import a packet trace of a RPL collect network from foren6 examples guide.
While loading pcap files, I'm getting error "could not start tshark". How do I solve this error?

In foren6, file->Preference-> click "Old Tshark" ! and Start.......

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having issues with "dfx start" and "dfx deploy" code

Does anyone know the solution to this? I am new to this and learning. I am on Macbook Air m1.
This is the end code while running dfx start in the terminal:
thread 'replica-actor' panicked at 'called Result::unwrap() on an Err value: Cannot start the replica: Timeout', src/dfx/src/actors/replica.rs:279:78
note: run with RUST_BACKTRACE=1 environment variable to display a backtrace
This is what happens while running dfx deploy in terminal:
Error: An error happened during communication with the replica: error sending request for url (http://127.0.0.1:8000/api/v2/status): error trying to connect: tcp connect error: Connection refused (os error 61)
Does anyone know anything about this?
Found the solution to the problem. I was running the code while it was stored in an external drive. When I created the same folder on my desktop and ran everything the same way, the problem got solved and I no longer have those errors in my terminal. I don't know how it is happening, but I just discovered it right now.
Try "dfx start --emulator"

Vivado: [XSIM 43-3294] Signal EXCEPTION_ACCESS_VIOLATION received

I'm getting the following error when I run the simulation.
ERROR: [Common 17-39] 'launch_simulation' failed due to earlier errors.
This project worked fine, but after reinstalling the same Vivado version, I keep getting errors when running the simulation. I have searched and searched several times and places, there are many who end up with this error, but got different suggestions. I honestly do not know what this error means.
The simulation referred me to the behav folder to open the elaborate log for more information about the error.
Here it is:
Vivado Simulator 2017.1
Copyright 1986-1999, 2001-2016 Xilinx, Inc. All Rights Reserved.
Running: C:/Xilinx2017v1/Vivado/2017.1/bin/unwrapped/win64.o/xelab.exe -wto 89ab4d8a8bd74d6d87079040762eb149 --debug typical --relax --mt 2 -L xil_defaultlib -L lib_cdc_v1_0_2 -L proc_sys_reset_v5_0_11 -L fit_timer_v2_0_8 -L secureip -L xpm --snapshot design_1_wrapper_behav xil_defaultlib.design_1_wrapper -log elaborate.log
Using 2 slave threads.
Starting static elaboration
Completed static elaboration
Starting simulation data flow analysis
ERROR: [XSIM 43-3294] Signal EXCEPTION_ACCESS_VIOLATION received.
What could the error 'Signal EXCEPTION_ACCESS_VIOLATION received' mean?
Someone who have tips and advices?
Are you using VHDL 2008 and trying to access a lower level signal in you test bench?
something like
alias CTL_empty is <<signal Inst_VMUX_Top.Inst_Switch_IF.CTL_empty : std_logic>>;
When I try to make decisions based on CTL_empty, my simulation fails

Error received while deploying code to Pixhawk4 from Simulink

I am trying to run an example Simulink model provided by Mathworks, but while deploying the model to the Pixhawk flight controller, I am receiving the following error:
Error(s) encountered while building "px4demo_uORBReadWrite":
### Failed to generate all binary outputs.
Caused by:
Validation error(s):
### Validating other build tools ...
Unable to locate build tool "GNU PX4 Archiver": echo
I have followed all the steps to configure the hardware properly, except the last part where I was not able to receive the accelerometer data too. The error received while testing the connection at that time was:
Error reading data from the serial port. Operation timed out before requested data was received.
Can someone explain why I am having this issue?
Thanks

while start the bro the error is coming "error occurred while trying to send mail: send-mail: SENDMAIL-NOTFOUND not found"

I've installed the Bro IDS but when I try to start the service an error is coming that :
Error: error occurred while trying to send mail: send-mail: SENDMAIL-NOTFOUND not found
starting ...
starting bro ...
bro terminated immediately after starting; check output with "diag"
I've already used broctl install and broctl update but still got the same error.
Kindly help
I've checked the configuration file i.e. node.cfg under /nsm/bro/etc and change the default interface eth0 with my system interface.
now bro has started
Bro can run without sendmail present but you may have been hit by a bug in Bro where it failed to include the Sendmail location in the config files. Whilst it says the bug was supposed to be fixed I've also seen the problem in Bro-2.5. So an easy fix is to do as suggested in the bug report and add the SendMail = /usr/sbin/sendmail to /usr/local/bro/etc/broctl.cfg and then rerun the deployment command:
sudo /usr/local/bro/bin/broctl deploy

Openocd reports "Failed with code (1)" for eclipse debugging a STM32F429 Discovery board

When I start a debugging session under eclipse (luna) for my STM32F429 Discovery board. I get the following error:
OpenOCD failed with code (1).
The information in the console pane is:
Open On-Chip Debugger 0.9.0-dev-00223-g1567cae (2015-01-12-13:43)
Licensed under GNU GPL v2
For bug reports, read
http://openocd.sourceforge.net/doc/doxygen/bugs.html
Info : The selected transport took over low-level target control. The results might differ compared to plain JTAG/SWD
adapter speed: 2000 kHz
adapter_nsrst_delay: 100
srst_only separate srst_nogate srst_open_drain connect_deassert_srst
Started by GNU ARM Eclipse
Info : clock speed 2000 kHz
Error: open failed
in procedure 'init'
in procedure 'ocd_bouncer'
in procedure 'transport'
in procedure 'init'
The "board" file being referenced in the debug setup is: stm32f429discovery.cfg
I did have this working for another ST-Micro board and I could do a full debug session with no problems. Suddenly it just stopped being able to access the board and I get the same errors for it as I get with this board.
I was hoping to be able to use the purely open source s/w that runs on Linux to be able to work with these boards. I'm hoping that someone can get me out of this situation.
Thanks in advance.
Cheers!!
What you use the command and debugger?
try:
openocd -f interface/jlink.cfg -f target/stm32f429discovery.cfg