E45 'Readonly' option is set, vi won't save file changes even with sudo
109493
vim unable to write to files even though sudo is used
91145
Correcting /var permissions to it's original state
16825
How can I change all of the contents inside of directory to what the default file ownership and permissions are?
12201
Can't change the owner back to the root (can't use sudo command) in WSL Ubuntu
70513
How do I make a file NOT modifiable?
89489
How to restore default group/user ownership of all files under /var?
88381
how to use rsync (using password-less ssh), with sudo just on the local side?
66222
'sudo' not working after changing the permissions of '/usr' directory
16116
How to modify an invalid '/etc/sudoers' file?
18926
Type 'sudo' is not known in source list
59633
How do I edit a file in /proc that can be viewed with cat, but is not editable by mousepad and abiword?
7317
how to: Please sudo, do _not_ setup any environment, especially $SUDO_USER?
9180
Is there any 'sudo' command for Windows?
28988
Why do I get "Permission denied" when redirecting the output of sudo echo "xyz" to a file?
126864
How to export variable for use with sudo?
135081
How to prevent users from renaming files while providing write permissions on Linux
155630
How do I delete a read-only file?