- 1 year ago
Electron fs - EPERM: operation not permitted, open 'C:\Windows\System32\drivers\etc\hosts'
The error message you encountered, "EPERM: operation not permitted, open 'C:\Windows\System32\drivers\etc\hosts'", suggests that you are facing a permissions issue while trying to access the 'hosts' file in the Windows system directory.
The Windows system directory is protected, and it requires administrative privileges to modify files within it. Here are a few steps you can take to resolve the issue:
Run your Electron application as an administrator:
Right-click on your Electron application's executable file or shortcut and select "Run as administrator". This ensures that your application has the necessary permissions to access and modify files in the protected system directory.Request elevated privileges in your Electron application:
If you need your Electron application to always run with elevated privileges, you can modify your application's manifest file (e.g.,electron.manifest
orpackage.json
) and set therequestedExecutionLevel
property to "requireAdministrator". This will prompt users to run your application with administrative privileges by default.Use the
runAs
orsudo
Electron modules:
You can utilize Electron modules likerunAs
orsudo
to execute specific privileged operations within your application. These modules allow you to prompt the user for elevated permissions when needed.Here's an example using the
runAs
module:javascriptconst runAs = require('run-as');
runAs({ admin: true }, function (err, argv) {
if (err) {
// Handle error
console.error(err);
} else {
// Use the elevated argv to execute privileged operations
console.log(argv);
}
});
You can install the
run-as
module using the npm package manager:arduinonpm install run-as
Remember, when accessing and modifying system files, such as the 'hosts' file, it is important to exercise caution and ensure that you have a valid reason to do so. Modifying system files without proper authorization can have unintended consequences and may pose security risks.