I am attempting to disable text and screen blanking in my Raspberry Pi but I cannot save the changes as it says "Can't open file to write". How can I fix this?
Open the file with root access using sudo. To open it with Nano:
sudo nano /etc/kbd/config
You need root permission because the file is owned by root, not the pi user. You can learn more about sudo (which stands for super user do) by entering
man sudo which will open the manual page (help documentation) for the sudo command. Most commands will have a man page, for instance try
protected by Community♦ Mar 22 '16 at 16:18
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