How to Boot into Single User Mode in CentOS/RHEL 7

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Aaron Kili

Aaron Kili is a Linux and F.O.S.S enthusiast, an upcoming Linux SysAdmin, web developer, and currently a content creator for TecMint who loves working with computers and strongly believes in sharing knowledge.

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9 Responses

  1. Rodolfo says:

    Works perfect, thanks I could recover my sudo access .. !!

  2. Raj says:

    How to start the networking in RHEL 7 on single user mode?

    systemctl start network
    Failed to get D-Bus Connection: Operation not permitted
    • Ravi Saive says:


      In single user mode on RHEL 7 or CentOS 7, the networking not enabled at startup. To get networking, you need get into runlevel 2 (local multi-user with networking) by running following command.

      # telinit 2
  3. João Olavo Vasconcelos says:

    Nice! Could you show us how to password-protect single user mode on CentOS 7?

  4. Jean-Pierre says:

    Great, it’s very useful .Thanks for the work

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