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Uploading code to arduino gives me the error: “avrdude: ser_open(): can't open device ”/dev/ttyACM0“: Permission denied”

No connection between Ubuntu 18.04 and ArduinoHow to install latest Arduino IDE?"fatal error: fstream: No such file or directory: when uploading code to Arduino/dev/ttyACM0 : Permission denied errorI have installed Arduino IDE on Ubuntu 16.04 and ran it. I wrote this simple code and have following errorArduino over /dev/ttyACM0 recognized but on group tty instead dialout. IDE fails to open the serial consoleVSCode installed with Anaconda on Ubuntu 18.04 LTS does not open, permission denied errorNo ttyACM0 for Arduino Nano on Ubuntu. How can I attach it?Permission denied to non-root user for USB deviceCan't open arduino IdeCan't set Permission to Arduino IDEArduino problem with uploading program to Arduino Uno WiFi through USB

6

My OS is Ubuntu 18.04 and arduino was working until now.

Although there are a few solutions, none of them seems to work for me.

I followed these instructions on the arduino website.

Then I tried this on arduino Stack Exchange, which should work in cases where the first solution didn't. The answer says we should create a few rules on /etc/udev/ruled.d/ path.

But none of them worked for me.

I also tested arduino in Windows 10 to see if it was a hardware problem, but it worked fine.

Does anyone have any other ideas on how to solve this issue?

UPDATE:

• My username, sergio, is part of both groups (tty and dialout);


• I logged out and back in as arduino official tutorial explains;


• In Arduino IDE, the configurations are correct: Arduino UNO and ttyACM0


• 
  

  This is the output of ll /dev/ttyACM0 after running the tutorial commands:

  
  
  

  crw-rw-rw- 1 root dialout 166, 0 Jul 15 05:41 /dev/ttyACM0
  

  
  

18.04 arduino

share|improve this question

edited Jul 16 '18 at 15:57

Zanna

51k13137241

asked Jul 15 '18 at 12:11

Sérgio MafraSérgio Mafra

74110

• 
  
  
  

  
  5
  

  
  
  
  
  
  

  
  
  Possible duplicate of How to install latest Arduino IDE? Did you forgot to logout and login again after running usermod?
  
  – N0rbert
  Jul 15 '18 at 12:51
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Nope. First I tried to log out and in. Then I tried to restart my notebook. Nothing seems to work...
  
  – Sérgio Mafra
  Jul 15 '18 at 12:54
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  crw-rw-rw- 1 root dialout 166, 0 Jul 15 05:41 /dev/ttyACM0 Login: sergio Name: Sérgio Mafra Directory: /home/sergio Shell: /bin/bash On since Sun Jul 15 08:26 (-03) on :0 from :0 (messages off) No mail. No Plan.
  
  – Sérgio Mafra
  Jul 15 '18 at 12:59
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  dialout:x:20:sergio. When I tried to run the second command, bash returned to me No such file or directory
  
  – Sérgio Mafra
  Jul 15 '18 at 13:15
  

  
  
  
  


• 
  
  
  

  
  2
  

  
  
  
  
  
  

  
  
  @N0rbert I don't think that this question should be closed as a duplicate of How to install latest Arduino IDE? because the accepted answer to this question is more specific to the question that was asked.
  
  – karel
  Jul 17 '18 at 13:12
  

  
  
  
  

 | 
show 2 more comments

6

My OS is Ubuntu 18.04 and arduino was working until now.

Although there are a few solutions, none of them seems to work for me.

I followed these instructions on the arduino website.

Then I tried this on arduino Stack Exchange, which should work in cases where the first solution didn't. The answer says we should create a few rules on /etc/udev/ruled.d/ path.

But none of them worked for me.

I also tested arduino in Windows 10 to see if it was a hardware problem, but it worked fine.

Does anyone have any other ideas on how to solve this issue?

UPDATE:

• My username, sergio, is part of both groups (tty and dialout);


• I logged out and back in as arduino official tutorial explains;


• In Arduino IDE, the configurations are correct: Arduino UNO and ttyACM0


• 
  

  This is the output of ll /dev/ttyACM0 after running the tutorial commands:

  
  
  

  crw-rw-rw- 1 root dialout 166, 0 Jul 15 05:41 /dev/ttyACM0
  

  
  

18.04 arduino

share|improve this question

edited Jul 16 '18 at 15:57

Zanna

51k13137241

asked Jul 15 '18 at 12:11

Sérgio MafraSérgio Mafra

74110

• 
  
  
  

  
  5
  

  
  
  
  
  
  

  
  
  Possible duplicate of How to install latest Arduino IDE? Did you forgot to logout and login again after running usermod?
  
  – N0rbert
  Jul 15 '18 at 12:51
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Nope. First I tried to log out and in. Then I tried to restart my notebook. Nothing seems to work...
  
  – Sérgio Mafra
  Jul 15 '18 at 12:54
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  crw-rw-rw- 1 root dialout 166, 0 Jul 15 05:41 /dev/ttyACM0 Login: sergio Name: Sérgio Mafra Directory: /home/sergio Shell: /bin/bash On since Sun Jul 15 08:26 (-03) on :0 from :0 (messages off) No mail. No Plan.
  
  – Sérgio Mafra
  Jul 15 '18 at 12:59
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  dialout:x:20:sergio. When I tried to run the second command, bash returned to me No such file or directory
  
  – Sérgio Mafra
  Jul 15 '18 at 13:15
  

  
  
  
  


• 
  
  
  

  
  2
  

  
  
  
  
  
  

  
  
  @N0rbert I don't think that this question should be closed as a duplicate of How to install latest Arduino IDE? because the accepted answer to this question is more specific to the question that was asked.
  
  – karel
  Jul 17 '18 at 13:12
  

  
  
  
  

 | 
show 2 more comments

My OS is Ubuntu 18.04 and arduino was working until now.

Although there are a few solutions, none of them seems to work for me.

I followed these instructions on the arduino website.

Then I tried this on arduino Stack Exchange, which should work in cases where the first solution didn't. The answer says we should create a few rules on /etc/udev/ruled.d/ path.

But none of them worked for me.

I also tested arduino in Windows 10 to see if it was a hardware problem, but it worked fine.

Does anyone have any other ideas on how to solve this issue?

UPDATE:

• My username, sergio, is part of both groups (tty and dialout);


• I logged out and back in as arduino official tutorial explains;


• In Arduino IDE, the configurations are correct: Arduino UNO and ttyACM0


• 
  

  This is the output of ll /dev/ttyACM0 after running the tutorial commands:

  
  
  

  crw-rw-rw- 1 root dialout 166, 0 Jul 15 05:41 /dev/ttyACM0
  

  
  

18.04 arduino

share|improve this question

edited Jul 16 '18 at 15:57

Zanna

51k13137241

asked Jul 15 '18 at 12:11

Sérgio MafraSérgio Mafra

74110

share|improve this question

edited Jul 16 '18 at 15:57

Zanna

51k13137241

asked Jul 15 '18 at 12:11

Sérgio MafraSérgio Mafra

74110

share|improve this question

edited Jul 16 '18 at 15:57

Zanna

51k13137241

asked Jul 15 '18 at 12:11

Sérgio MafraSérgio Mafra

74110

edited Jul 16 '18 at 15:57

Zanna

51k13137241

edited Jul 16 '18 at 15:57

Zanna

51k13137241

asked Jul 15 '18 at 12:11

Sérgio MafraSérgio Mafra

74110

asked Jul 15 '18 at 12:11

Sérgio MafraSérgio Mafra

74110

3 Answers
3

active

oldest

votes

5

Reinstall your arduino installed from Ubuntu software center:

sudo apt install --reinstall arduino

Reinstalling is necessary since your which avrdude command according to your comment returns nothing, but should be /usr/bin/avrdude. Check again:

which avrdude

Run your Arduino IDE after reinstalling and close it.

Check your arduino configuration. Open /home/sergio/.arduino/preferences.txt file and check there serial.port option. Try to change it to /dev/ttyACM0. Open that file:

sudo nano /home/sergio/.arduino/preferences.txt

and apply corresponding changes, i.e. the option should look

serial.port=/dev/ttyACM0

Restart computer afterwards.

share|improve this answer

edited Jul 15 '18 at 15:10

answered Jul 15 '18 at 14:33

BobBob

1,281112

• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  Thanks for all the help. I uninstalled it from Ubuntu Software Center and installed the version from arduino website and it worked.
  
  – Sérgio Mafra
  Jul 15 '18 at 15:11
  

  
  
  
  

add a comment | 

1

I had a similar issue when I tried to upload a sketch to Arduino. The issue was connected to the lack of permissions to read/write to the serial port. I was able to fix by using the following command:

To confirm the port exists enter the following from the root directory.

ls /dev/ttyACM0

To set read/write permissions, enter the following

sudo chmod a+rw /dev/ttyACM0

share|improve this answer

answered Jan 22 at 6:13

AdrianAdrian

111

add a comment | 

0

[In combination with all the posts i read, this is what i did to solve that issue by following directions from this thread.

In a new terminal, i typed the following as shown in the attached screenshot.]1

Go to https://i.stack.imgur.com/ifRmx.png for the screenshot

Please note that fourplus is my username.

share

edited 3 hours ago

answered 3 hours ago

Arafat MukasaArafat Mukasa

11

New contributor

Arafat Mukasa is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Welcome to ask ubuntu. In the future you should post text instead of images wherever possible.
  
  – Jeff
  45 mins ago
  

  
  
  
  

add a comment | 

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5

Reinstall your arduino installed from Ubuntu software center:

sudo apt install --reinstall arduino

Reinstalling is necessary since your which avrdude command according to your comment returns nothing, but should be /usr/bin/avrdude. Check again:

which avrdude

Run your Arduino IDE after reinstalling and close it.

Check your arduino configuration. Open /home/sergio/.arduino/preferences.txt file and check there serial.port option. Try to change it to /dev/ttyACM0. Open that file:

sudo nano /home/sergio/.arduino/preferences.txt

and apply corresponding changes, i.e. the option should look

serial.port=/dev/ttyACM0

Restart computer afterwards.

share|improve this answer

edited Jul 15 '18 at 15:10

answered Jul 15 '18 at 14:33

BobBob

1,281112

• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  Thanks for all the help. I uninstalled it from Ubuntu Software Center and installed the version from arduino website and it worked.
  
  – Sérgio Mafra
  Jul 15 '18 at 15:11
  

  
  
  
  

add a comment | 

5

Reinstall your arduino installed from Ubuntu software center:

sudo apt install --reinstall arduino

Reinstalling is necessary since your which avrdude command according to your comment returns nothing, but should be /usr/bin/avrdude. Check again:

which avrdude

Run your Arduino IDE after reinstalling and close it.

Check your arduino configuration. Open /home/sergio/.arduino/preferences.txt file and check there serial.port option. Try to change it to /dev/ttyACM0. Open that file:

sudo nano /home/sergio/.arduino/preferences.txt

and apply corresponding changes, i.e. the option should look

serial.port=/dev/ttyACM0

Restart computer afterwards.

share|improve this answer

edited Jul 15 '18 at 15:10

answered Jul 15 '18 at 14:33

BobBob

1,281112

• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  Thanks for all the help. I uninstalled it from Ubuntu Software Center and installed the version from arduino website and it worked.
  
  – Sérgio Mafra
  Jul 15 '18 at 15:11
  

  
  
  
  

add a comment | 

Reinstall your arduino installed from Ubuntu software center:

sudo apt install --reinstall arduino

Reinstalling is necessary since your which avrdude command according to your comment returns nothing, but should be /usr/bin/avrdude. Check again:

which avrdude

Run your Arduino IDE after reinstalling and close it.

Check your arduino configuration. Open /home/sergio/.arduino/preferences.txt file and check there serial.port option. Try to change it to /dev/ttyACM0. Open that file:

sudo nano /home/sergio/.arduino/preferences.txt

and apply corresponding changes, i.e. the option should look

serial.port=/dev/ttyACM0

Restart computer afterwards.

share|improve this answer

edited Jul 15 '18 at 15:10

answered Jul 15 '18 at 14:33

BobBob

1,281112

sudo apt install --reinstall arduino

which avrdude

sudo nano /home/sergio/.arduino/preferences.txt

serial.port=/dev/ttyACM0

share|improve this answer

edited Jul 15 '18 at 15:10

answered Jul 15 '18 at 14:33

BobBob

1,281112

answered Jul 15 '18 at 14:33

BobBob

1,281112

answered Jul 15 '18 at 14:33

BobBob

1,281112

1

I had a similar issue when I tried to upload a sketch to Arduino. The issue was connected to the lack of permissions to read/write to the serial port. I was able to fix by using the following command:

To confirm the port exists enter the following from the root directory.

ls /dev/ttyACM0

To set read/write permissions, enter the following

sudo chmod a+rw /dev/ttyACM0

share|improve this answer

answered Jan 22 at 6:13

AdrianAdrian

111

add a comment | 

1

I had a similar issue when I tried to upload a sketch to Arduino. The issue was connected to the lack of permissions to read/write to the serial port. I was able to fix by using the following command:

To confirm the port exists enter the following from the root directory.

ls /dev/ttyACM0

To set read/write permissions, enter the following

sudo chmod a+rw /dev/ttyACM0

share|improve this answer

answered Jan 22 at 6:13

AdrianAdrian

111

add a comment | 

I had a similar issue when I tried to upload a sketch to Arduino. The issue was connected to the lack of permissions to read/write to the serial port. I was able to fix by using the following command:

To confirm the port exists enter the following from the root directory.

ls /dev/ttyACM0

To set read/write permissions, enter the following

sudo chmod a+rw /dev/ttyACM0

share|improve this answer

answered Jan 22 at 6:13

AdrianAdrian

111

ls /dev/ttyACM0

sudo chmod a+rw /dev/ttyACM0

share|improve this answer

answered Jan 22 at 6:13

AdrianAdrian

111

answered Jan 22 at 6:13

AdrianAdrian

111

answered Jan 22 at 6:13

AdrianAdrian

111

0

[In combination with all the posts i read, this is what i did to solve that issue by following directions from this thread.

In a new terminal, i typed the following as shown in the attached screenshot.]1

Go to https://i.stack.imgur.com/ifRmx.png for the screenshot

Please note that fourplus is my username.

share

edited 3 hours ago

answered 3 hours ago

Arafat MukasaArafat Mukasa

11

New contributor

Arafat Mukasa is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Welcome to ask ubuntu. In the future you should post text instead of images wherever possible.
  
  – Jeff
  45 mins ago
  

  
  
  
  

add a comment | 

0

[In combination with all the posts i read, this is what i did to solve that issue by following directions from this thread.

In a new terminal, i typed the following as shown in the attached screenshot.]1

Go to https://i.stack.imgur.com/ifRmx.png for the screenshot

Please note that fourplus is my username.

share

edited 3 hours ago

answered 3 hours ago

Arafat MukasaArafat Mukasa

11

New contributor

Arafat Mukasa is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Welcome to ask ubuntu. In the future you should post text instead of images wherever possible.
  
  – Jeff
  45 mins ago
  

  
  
  
  

add a comment | 

[In combination with all the posts i read, this is what i did to solve that issue by following directions from this thread.

In a new terminal, i typed the following as shown in the attached screenshot.]1

Go to https://i.stack.imgur.com/ifRmx.png for the screenshot

Please note that fourplus is my username.

share

edited 3 hours ago

answered 3 hours ago

Arafat MukasaArafat Mukasa

11

New contributor

Arafat Mukasa is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

share

edited 3 hours ago

answered 3 hours ago

Arafat MukasaArafat Mukasa

11

New contributor

Arafat Mukasa is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

answered 3 hours ago

Arafat MukasaArafat Mukasa

11

New contributor

Arafat Mukasa is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

answered 3 hours ago

Arafat MukasaArafat Mukasa

11