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Home > Linux > Ubuntu > Tip : How to solve “agent admitted failure to sign using the key” error ?

Tip : How to solve “agent admitted failure to sign using the key” error ?

July 4, 2010 by 48 Comments

A very simple tip that can save a lot of time.

When i wanted to do a git clone, I had the given error : 

Agent admitted failure to sign using the key.
Permission denied (publickey).

I found that this is an SSH error.

One of the readers, Leonardo Hessel, pointed that out that ssh-add is also a solution: 

ssh-add

Another solution is simply to login and logout and it should work.

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    • Dima

      Thanks, it work’s :-)

      • Baptiste Wicht

        You’re welcome :)

        Good to see that my posts are helpful.

        • http://www.facebook.com/people/Mahlatse-Makalancheche/100001807022804 Mahlatse Makalancheche

          ssh-add is queen. Thanks a lot to you for the idea
          By the way, if like me, you just got stuck with that message and you were wondering where to run the command, you have to run it on the client machine

          • Bnvijay

            Thanks solved my prob…………

    • Dima

      Thanks, it work’s :-)

      • Baptiste Wicht

        You’re welcome :)

        Good to see that my posts are helpful.

    • Leonardo Hessel

      ssh-add, its solve the problem.

      • http://pulse.yahoo.com/_KL4RCWOSWPU6B5BWYNLRZNCFMQ Ruben

        ssh-add solved my issue as well. Thanks

      • http://twitter.com/amila_sampath Amila Sampath

        I just tried with ssh-add.its solved my issue.
        You saved my day.
        Thank you very much Leonardo.

      • Erick

        Thx a lot, you saved me a lot of time.

      • Rohit

        Worked for me too… Thanks 

      • greatghoul

        it works, thx.

      • MeetJesus!

         mee tooo ssh-add! oh yeah!

      • Sourav Gulati

         Thank you so much Leanardo…  it helped a lot

      • http://www.facebook.com/people/Sugar-Ui/100001768970179 Sugar Ui

        I don’t know what ‘ssh-add’ does or means, but anyway I typed ‘ssh-add’ at my working directory(terminal), and now… it works. I already spent a day for it. Thank you a lot.

        • wichtounet

          ssh-add simply adds your private key identities to the authentication agent, fixing the error ;)

          • http://www.facebook.com/people/Sugar-Ui/100001768970179 Sugar Ui

            Thank you for reply!

    • http://www.direitoconstitucional.net Fred Junior

      ssh-add, man!

    • Arramad

      you are briliant…..hundreds of stupid posts out there are trying so freakin complicated solutions without even working..but you are giving it that simple! and it works!
      keep going man!

    • http://twitter.com/monyiliev Simeon Iliev

      Brilliant, using ssh-add on Ubuntu Desktop 11.04 beta 2 worked. Thanks dude

    • Sachchidanand

      Thank you so much…!!

      You saved my day..!!

    • Moorick

      Thanks for idea ))

    • Blah

      you can also just sudo su –

    • http://twitter.com/seancorfield Sean Corfield

      Thanx for this tip. I’d never seen that error until today and yours was the #1 hit on Google – and solved the problem straight away!

    • http://www.facebook.com/people/Luis-García-Acosta/1574298579 Luis García Acosta

      ooohhh goodness, I never comment on posts but I am soooo happy, that have to say THANKS!! you saved my day :-)

      • Baptiste Wicht

        you’re welcome :)

    • Frostmind

      Thank you for this tip! :) it saved indeed a lot of time

    • dhiii

      I can’t believe it.  ssh-add worked.   I’ve been messing with this for days.   THANK YOU!

    • dhiii

      I can’t believe it.  ssh-add worked.   I’ve been messing with this for days.   THANK YOU!

    • Kevein

      thank you…..

    • http://www.facebook.com/matthews.willie Willie Matthews

      I been sitting here for hours trying to figure this out.

    • Adelin_H

      thank you very much ! 

    • john

      Thank you very much!

    • Anonymous

      shh-add works!

    • Harish Es

      Thanks, that helped on my Ubuntu 11.04 and cloning from Git.

    • Rahulpatil2387

      it;s work by your suggestion, Thanks

    • Talespin_kit

      thanks very much

    • D21anthony

      This worked for me as well, Thank you!

      Agent admitted failure to sign using the key.
      Permission denied (publickey)git-add

    • Dkumar431

      ssh-add, its solve the problem. i weasted a whole day for this.

    • Guess

      Worked as advertised, thanks.

    • Johnny

      yes, it works like charm. Thanks!

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    • Art

      jeez. log in and logout. thanks! 

    • Raviteja

      thankx Baptiste Wicht just a simple lout and login solved my problem

    • Pingback: Prepare your Ubuntu laptop as a git client « blog.lebrijo.com

    • Isabelle

      Thank you !! I’ve been searching for an hour how to repair my problem, and “ssh-add” solved it.

    • http://www.facebook.com/Pweetymizlizee Oche Elizabeth Onyeche

      thanks alot the ssh-add worked, may the Lord bless you

    • xeroCuil

      I needed exactly this. Thanks for the post.