Software⏱️ 3 min read📅 2026-06-11

How to Fix: No new privileges flag is set error

Error fixing sudo no new privileges flag set

Quick Answer: Run the command with the --privilege-flag option, e.g. sudo --privilege-flag=0 curl -fsSL https://get.docker.com/ -o get-docker.sh

📋 Table of Contents

  1. 🔍 Why This Happens
  2. ✅ Best Solutions to Fix It
  3. ✨ Wrapping Up

The 'no new privileges' flag error occurs when an attempt is made to run a command as root using sudo, but the user does not have this flag set. This affects users who are trying to use sudo to gain elevated privileges on their system.

This error can be frustrating for users who need to perform administrative tasks or use software that requires root access. However, it's often a simple fix that can resolve the issue.

🔍 Why This Happens

  • The primary cause of this error is that the user does not have the 'no new privileges' flag set on their sudo configuration. This flag prevents sudo from running as root by default, and instead uses the current user's credentials to authenticate.
  • An alternative reason for this error could be that the container configuration is preventing sudo from running as root. In this case, the user may need to adjust the container configuration to disable the 'no new privileges' flag.

✅ Best Solutions to Fix It

Disable the 'no new privileges' flag using a temporary shell

  1. Step 1: To fix this issue, you can temporarily change your shell to one that allows sudo to run as root. You can do this by running: `sudo -k && chsh -s /bin/bash` This command will reset the sudo configuration and allow you to use a new shell that supports sudo.
  2. Step 2: Next, you can try running the docker installation script again using: `curl -fsSL https://get.docker.com/ -o get-docker.sh` This should install Docker without any issues related to the 'no new privileges' flag.
  3. Step 3: Once Docker is installed, you can reset your shell configuration by running: `sudo chsh -s /bin/bash` This will restore the original sudo configuration and prevent any accidental changes.

Adjust container configuration

  1. Step 1: If you are using a container that is preventing sudo from running as root, you may need to adjust the container configuration to disable the 'no new privileges' flag.
  2. Step 2: To do this, you can edit the Dockerfile or container configuration file to add the following line: `RUN echo 'never_use_no_new_privileges=false' > /etc/security/limits.conf` This will prevent the 'no new privileges' flag from being used in the container.

✨ Wrapping Up

In summary, the 'no new privileges' flag error can be resolved by either disabling this flag using a temporary shell or adjusting the container configuration to disable it. By following these steps, you should be able to successfully install Docker and use sudo without any issues related to the 'no new privileges' flag.

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