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I discovered a bug in Ubuntu 18.04 in my system which didn't let me connect to PEAP networks. On searching I found the solution was to edit the configuration file of that wireless network. But whenever I try to edit file in system-connections, I get this page:

View of command

view of nano

The file opens as a blank and does not show any details. Can anyone please tell me correct command to open and edit the configuration file (with existing details showing)?

Edit: Yes I tried and failed to connect to the given Wi-Fi network which happened after I upgraded to 18.04 from 16.04. The commands I executed were:

$ cd /etc/NetworkManager/system-connections
/etc/NetworkManager/system-connections$ ls #to see list of connections
/etc/NetworkManager/system-connections$ sudo nano <network name>
anon012358
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    Have you tried and failed to connect to KIIT-WIFI-NET? Welcome to Ask Ubuntu. – chili555 Sep 24 '18 at 01:51
  • In a slightly unrelated note, which bug are you taking about? If it is [this one](https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/1748839), only *editing* the configuration file most likely won't fix the issue. – pomsky Sep 24 '18 at 02:20
  • If you are editing an existing file, then most likely you misspelled it when telling nano which file to open.. – user535733 Sep 24 '18 at 04:02
  • Can you write down the command you are using? Also provide the directory name and file name if possible. Meanwhile, you can try sudo vi filename. – user2849789 Sep 24 '18 at 04:15
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    Possible duplicate of [How do I get permissions to edit system configuration files?](https://askubuntu.com/questions/92379/how-do-i-get-permissions-to-edit-system-configuration-files) to get a graphical editor which may be more convenient. – David Foerster Sep 24 '18 at 10:16
  • @chili555 I have edited the question. Please see – anon012358 Sep 25 '18 at 02:12
  • @user2849789 I have edited the question. – anon012358 Sep 25 '18 at 02:12
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    Did you run the command as root? That directory is only accessible to root, IIRC. – muru Sep 25 '18 at 02:21
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    yes @muru I did – anon012358 Sep 25 '18 at 06:08

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