E45 'Readonly' option is set, vi won't save file changes even with sudo

Asked Jul 28 '19 at 14:17

Active Jul 28 '19 at 14:30

Viewed 55 times

I am the only user on my laptop. I want to do some changes on readonly .conf file for netbeans and after hit ESC and try to save I get this error E45 'Readonly' option is set. Even though I opened the file using sudo and provided my password. What am I missing?

asked Jul 28 '19 at 14:17

Nano

"It wont work when using sudo, even with :w! any idea?" this is the last comment on that answer. Any idea? – Nano Jul 28 '19 at 14:46
Is the target filesystem itself mounted readonly? in a terminal (or using vi shell escape) use the command findmnt -T path/to/file – steeldriver Jul 28 '19 at 14:56
Yes it is mounted as readonly – Nano Jul 28 '19 at 14:59
no user will be able to write to a readonly filesystem – Adeerlike Mar 10 '21 at 19:49

E45 'Readonly' option is set, vi won't save file changes even with sudo

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