How to solve resolv.conf in ubuntu - failed removing file /etc/resolv.conf Operation not permitted
i want to change the content or remove file at /etc/resolv.conf, but getting this error:
readony option is set (add ! to override), /etc/resolv.conf E212: Can't open file for writing
and
rm: cannot remove '/etc/resolv.conf': Operation not permitted
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resolution:
sudo chattr -i /etc/resolv.conf
