Software⏱️ 3 min read📅 2026-06-19

How to Fix: how to fix the weird error “Operation not permitted”

Operation not permitted error on CentOS Linux release 7.4.1708 (Core), possible solution: check file permissions.

Quick Answer: Check the file permissions of /usr/bin/sysupdate and ensure that the user running the command has execute privileges.

📋 Table of Contents

  1. ⚠️ Common Causes
  2. ✅ Best Solutions to Fix It
  3. 💡 Conclusion

The 'Operation not permitted' error is a frustrating issue that affects users who are unable to execute certain commands, such as './sysupdate', due to a lack of necessary permissions. This error can be particularly bothersome for system administrators and developers who rely on these commands for their daily tasks.

In this guide, we will walk you through the steps to troubleshoot and resolve the 'Operation not permitted' error, providing you with a clear understanding of why it occurs and how to fix it.

⚠️ Common Causes

  • The primary cause of the 'Operation not permitted' error is that the user running the command lacks the necessary permissions to execute it. This can be due to a variety of reasons, such as incorrect file ownership, inadequate group permissions, or insufficient privileges. In some cases, the issue may also arise from conflicting file system attributes or incorrect file access controls.
  • Another alternative reason for this error is that the command itself has been misconfigured or corrupted, preventing it from executing correctly.

✅ Best Solutions to Fix It

Chmoding and Sudoing

  1. Step 1: To resolve the 'Operation not permitted' error, first attempt to execute the command with elevated privileges using the 'sudo' command. Add a '#' symbol at the beginning of the line containing the './sysupdate' command.
  2. Step 2: If this step does not work, then change the ownership of the './sysupdate' file to the current user's ID and group ID using the 'chown' command (e.g., 'chown hadoop:hadoop ./sysupdate').
  3. Step 3: Alternatively, try changing the permissions of the './sysupdate' file to allow execution by all users using the 'chmod' command (e.g., 'chmod +x ./sysupdate').

Reference Method

  1. Step 1: If the above steps do not work, then create a symbolic link to an existing version of the './ls' command on your system. Use the 'ln -s' command (e.g., 'ln -s /usr/bin/ls ./ls') to create a reference to the original '/usr/bin/ls' file.
  2. Step 2: This method may require some additional configuration and testing, but it can be an effective way to resolve the issue.

💡 Conclusion

In conclusion, the 'Operation not permitted' error can often be resolved by adjusting permissions, using elevated privileges, or creating symbolic links. By following these steps, you should be able to successfully execute commands that were previously inaccessible due to permission issues. Remember to test your solutions thoroughly and verify that they do not introduce any unintended consequences.

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