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I'm currently running 14.04lts but i want to upgrade to 15.04. The things is that in the file where you change the prompt=lts to normal, when I try to change it to normal i can't save it and i just want to know how.

afuentes0224
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1 Answers1

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Edit the file with sudo rights

sudo nano /etc/update-manager/release-upgrades

As you can see here

ls -la /etc/update-manager/release-upgrades 
-rw-r--r-- 1 root root 832 Feb 26 17:30 /etc/update-manager/release-upgrades

the file is only writable for root.

A.B.
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