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How to Protect Files and Directories from Deleting in Linux
Are you working as a Linux Admin? Do you generally defend script documents or any important files? You might be aware that, Chattr (change Attribute) is a command line Linux utility that is used to set/unset exact attributes to a file in Linux process to comfortable unintended deletion or change of major files and folders, although you’re logged in as a root user.
This article helps you to look after your records or folders that may support in disallowing an unauthorized user to delete your touchy contents.
Protecting File
In the below example abc.txt is the file name
Protecting a file
To protect file, use the following command –
$ sudo chattr +i abc.txt
Now try to remove file, using rm command as shown below –
$ rm abc.txt
The sample output should be like this –
rm: remove write-protected regular file 'abc.txt'?
Removing the protection to file
To remove the protection to file, use the following command –
$ sudo chattr -i abc.txt
To verify the above command, use the following command as shown below-
$ rm abc.txt
The above command removes the file without giving information.
Protecting Directories
In the below example abc is a directory name
Protecting a directory
To protect directory, use the following command –
$ sudo chattr -R +i abc
To verify the above command, use the following command as shown below –
$ rm -r abc
The sample output should be like this –
rm: descend into write-protected directory 'abc'?
Removing protection to the directory
To remove protection to the directory, use the following command-
$ sudo chattr -R -i abc
To verify the above command, use the following command as shown below –
$ rm -r abc
The above command remove the file without giving information.
In the above article, we have learnt about – Learn how to protect files & directories from delete. In our next articles, we will come up with more Linux based tricks and tips. Keep reading!
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