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Terminal command with sudo takes a long time


How to disable systemd-resolved and resolve DNS with dnsmasq?No password prompt at sudo commandKeyboard freezes in terminal after sudosudo -s takes a long time to execute and prompts sudo: was not possible to resolve machine XXXMy terminal takes a long time to respond to a command?How to automatically show sudo prompt when command doesn't have enough permissionsLock copy-paste input to terminal while sudo prompts for passwordPassword checking takes long even though it's not wrongUbuntu Terminal takes a while when performing commands using sudo






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margin-bottom:0;









22















I noticed that the terminal recently becomes too slow when I execute a command that needs my password. It takes some seconds to display [sudo] password for ...










share|improve this question


























  • Hi, could you add a bit more information to your question please. What OS are you using and is it 32 or 64-bit?

    – SimplySimon
    Jul 21 '13 at 10:04











  • What hardware do you have

    – Alvar
    Jul 21 '13 at 10:11












  • I'm using Dell XPS developer edition (i7,8g ram) with ubuntu 13.04 64bit.

    – Nasreddine
    Jul 21 '13 at 10:26






  • 1





    It's very strange, but, I receive "Ubuntu could not resolve the host" when connection isn't available. I execute this command "echo 0 | sudo tee /sys/class/backlight/intel_backlight/brightness "

    – Nasreddine
    Jul 25 '13 at 4:30






  • 2





    serverfault: Why does sudo command take long to execute?

    – Steven K
    Sep 20 '13 at 5:53

















22















I noticed that the terminal recently becomes too slow when I execute a command that needs my password. It takes some seconds to display [sudo] password for ...










share|improve this question


























  • Hi, could you add a bit more information to your question please. What OS are you using and is it 32 or 64-bit?

    – SimplySimon
    Jul 21 '13 at 10:04











  • What hardware do you have

    – Alvar
    Jul 21 '13 at 10:11












  • I'm using Dell XPS developer edition (i7,8g ram) with ubuntu 13.04 64bit.

    – Nasreddine
    Jul 21 '13 at 10:26






  • 1





    It's very strange, but, I receive "Ubuntu could not resolve the host" when connection isn't available. I execute this command "echo 0 | sudo tee /sys/class/backlight/intel_backlight/brightness "

    – Nasreddine
    Jul 25 '13 at 4:30






  • 2





    serverfault: Why does sudo command take long to execute?

    – Steven K
    Sep 20 '13 at 5:53













22












22








22


3






I noticed that the terminal recently becomes too slow when I execute a command that needs my password. It takes some seconds to display [sudo] password for ...










share|improve this question
















I noticed that the terminal recently becomes too slow when I execute a command that needs my password. It takes some seconds to display [sudo] password for ...







command-line sudo






share|improve this question















share|improve this question













share|improve this question




share|improve this question








edited Jun 26 '18 at 21:45









muru

1




1










asked Jul 21 '13 at 9:47









NasreddineNasreddine

3973 gold badges6 silver badges20 bronze badges




3973 gold badges6 silver badges20 bronze badges















  • Hi, could you add a bit more information to your question please. What OS are you using and is it 32 or 64-bit?

    – SimplySimon
    Jul 21 '13 at 10:04











  • What hardware do you have

    – Alvar
    Jul 21 '13 at 10:11












  • I'm using Dell XPS developer edition (i7,8g ram) with ubuntu 13.04 64bit.

    – Nasreddine
    Jul 21 '13 at 10:26






  • 1





    It's very strange, but, I receive "Ubuntu could not resolve the host" when connection isn't available. I execute this command "echo 0 | sudo tee /sys/class/backlight/intel_backlight/brightness "

    – Nasreddine
    Jul 25 '13 at 4:30






  • 2





    serverfault: Why does sudo command take long to execute?

    – Steven K
    Sep 20 '13 at 5:53

















  • Hi, could you add a bit more information to your question please. What OS are you using and is it 32 or 64-bit?

    – SimplySimon
    Jul 21 '13 at 10:04











  • What hardware do you have

    – Alvar
    Jul 21 '13 at 10:11












  • I'm using Dell XPS developer edition (i7,8g ram) with ubuntu 13.04 64bit.

    – Nasreddine
    Jul 21 '13 at 10:26






  • 1





    It's very strange, but, I receive "Ubuntu could not resolve the host" when connection isn't available. I execute this command "echo 0 | sudo tee /sys/class/backlight/intel_backlight/brightness "

    – Nasreddine
    Jul 25 '13 at 4:30






  • 2





    serverfault: Why does sudo command take long to execute?

    – Steven K
    Sep 20 '13 at 5:53
















Hi, could you add a bit more information to your question please. What OS are you using and is it 32 or 64-bit?

– SimplySimon
Jul 21 '13 at 10:04





Hi, could you add a bit more information to your question please. What OS are you using and is it 32 or 64-bit?

– SimplySimon
Jul 21 '13 at 10:04













What hardware do you have

– Alvar
Jul 21 '13 at 10:11






What hardware do you have

– Alvar
Jul 21 '13 at 10:11














I'm using Dell XPS developer edition (i7,8g ram) with ubuntu 13.04 64bit.

– Nasreddine
Jul 21 '13 at 10:26





I'm using Dell XPS developer edition (i7,8g ram) with ubuntu 13.04 64bit.

– Nasreddine
Jul 21 '13 at 10:26




1




1





It's very strange, but, I receive "Ubuntu could not resolve the host" when connection isn't available. I execute this command "echo 0 | sudo tee /sys/class/backlight/intel_backlight/brightness "

– Nasreddine
Jul 25 '13 at 4:30





It's very strange, but, I receive "Ubuntu could not resolve the host" when connection isn't available. I execute this command "echo 0 | sudo tee /sys/class/backlight/intel_backlight/brightness "

– Nasreddine
Jul 25 '13 at 4:30




2




2





serverfault: Why does sudo command take long to execute?

– Steven K
Sep 20 '13 at 5:53





serverfault: Why does sudo command take long to execute?

– Steven K
Sep 20 '13 at 5:53










2 Answers
2






active

oldest

votes


















39
















Hi I found this answer on another question -
The problem is if your hostname is not in your hosts file.



basically, type "hostname" in your terminal. That will tell you what your hostname is.



Next, type:



sudo nano /etc/hosts


and add:



127.0.0.1 yourhostname


then save - and you are done!
Sudo should be fast now!






share|improve this answer

























  • This post I guess ? : serverfault.com/questions/38114/…

    – monojohnny
    Mar 24 '16 at 0:19












  • I have the feeling that it can also be caused by DNS setting in NetworkManager: askubuntu.com/questions/898605/…

    – tobias47n9e
    Aug 8 '18 at 8:16






  • 2





    This is still valid in ubuntu 18.04. Thanks

    – Alexandre Neto
    Aug 17 '18 at 10:25


















5
















When you change your systems name in Gnome (The part that is displayed in the terminal after the @; e.g. tobias@laptop to tobias@newlaptop you might need to update your /etc/hosts:



127.0.1.1 laptop


needs to be changed to



127.0.1.1 newlaptop


If you get it right sudo should work without delay immediately after saving this setting.






share|improve this answer


























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    2 Answers
    2






    active

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    2 Answers
    2






    active

    oldest

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    active

    oldest

    votes






    active

    oldest

    votes









    39
















    Hi I found this answer on another question -
    The problem is if your hostname is not in your hosts file.



    basically, type "hostname" in your terminal. That will tell you what your hostname is.



    Next, type:



    sudo nano /etc/hosts


    and add:



    127.0.0.1 yourhostname


    then save - and you are done!
    Sudo should be fast now!






    share|improve this answer

























    • This post I guess ? : serverfault.com/questions/38114/…

      – monojohnny
      Mar 24 '16 at 0:19












    • I have the feeling that it can also be caused by DNS setting in NetworkManager: askubuntu.com/questions/898605/…

      – tobias47n9e
      Aug 8 '18 at 8:16






    • 2





      This is still valid in ubuntu 18.04. Thanks

      – Alexandre Neto
      Aug 17 '18 at 10:25















    39
















    Hi I found this answer on another question -
    The problem is if your hostname is not in your hosts file.



    basically, type "hostname" in your terminal. That will tell you what your hostname is.



    Next, type:



    sudo nano /etc/hosts


    and add:



    127.0.0.1 yourhostname


    then save - and you are done!
    Sudo should be fast now!






    share|improve this answer

























    • This post I guess ? : serverfault.com/questions/38114/…

      – monojohnny
      Mar 24 '16 at 0:19












    • I have the feeling that it can also be caused by DNS setting in NetworkManager: askubuntu.com/questions/898605/…

      – tobias47n9e
      Aug 8 '18 at 8:16






    • 2





      This is still valid in ubuntu 18.04. Thanks

      – Alexandre Neto
      Aug 17 '18 at 10:25













    39














    39










    39









    Hi I found this answer on another question -
    The problem is if your hostname is not in your hosts file.



    basically, type "hostname" in your terminal. That will tell you what your hostname is.



    Next, type:



    sudo nano /etc/hosts


    and add:



    127.0.0.1 yourhostname


    then save - and you are done!
    Sudo should be fast now!






    share|improve this answer













    Hi I found this answer on another question -
    The problem is if your hostname is not in your hosts file.



    basically, type "hostname" in your terminal. That will tell you what your hostname is.



    Next, type:



    sudo nano /etc/hosts


    and add:



    127.0.0.1 yourhostname


    then save - and you are done!
    Sudo should be fast now!







    share|improve this answer












    share|improve this answer



    share|improve this answer










    answered Apr 30 '14 at 3:32









    Paul PreibischPaul Preibisch

    5205 silver badges9 bronze badges




    5205 silver badges9 bronze badges















    • This post I guess ? : serverfault.com/questions/38114/…

      – monojohnny
      Mar 24 '16 at 0:19












    • I have the feeling that it can also be caused by DNS setting in NetworkManager: askubuntu.com/questions/898605/…

      – tobias47n9e
      Aug 8 '18 at 8:16






    • 2





      This is still valid in ubuntu 18.04. Thanks

      – Alexandre Neto
      Aug 17 '18 at 10:25

















    • This post I guess ? : serverfault.com/questions/38114/…

      – monojohnny
      Mar 24 '16 at 0:19












    • I have the feeling that it can also be caused by DNS setting in NetworkManager: askubuntu.com/questions/898605/…

      – tobias47n9e
      Aug 8 '18 at 8:16






    • 2





      This is still valid in ubuntu 18.04. Thanks

      – Alexandre Neto
      Aug 17 '18 at 10:25
















    This post I guess ? : serverfault.com/questions/38114/…

    – monojohnny
    Mar 24 '16 at 0:19






    This post I guess ? : serverfault.com/questions/38114/…

    – monojohnny
    Mar 24 '16 at 0:19














    I have the feeling that it can also be caused by DNS setting in NetworkManager: askubuntu.com/questions/898605/…

    – tobias47n9e
    Aug 8 '18 at 8:16





    I have the feeling that it can also be caused by DNS setting in NetworkManager: askubuntu.com/questions/898605/…

    – tobias47n9e
    Aug 8 '18 at 8:16




    2




    2





    This is still valid in ubuntu 18.04. Thanks

    – Alexandre Neto
    Aug 17 '18 at 10:25





    This is still valid in ubuntu 18.04. Thanks

    – Alexandre Neto
    Aug 17 '18 at 10:25













    5
















    When you change your systems name in Gnome (The part that is displayed in the terminal after the @; e.g. tobias@laptop to tobias@newlaptop you might need to update your /etc/hosts:



    127.0.1.1 laptop


    needs to be changed to



    127.0.1.1 newlaptop


    If you get it right sudo should work without delay immediately after saving this setting.






    share|improve this answer





























      5
















      When you change your systems name in Gnome (The part that is displayed in the terminal after the @; e.g. tobias@laptop to tobias@newlaptop you might need to update your /etc/hosts:



      127.0.1.1 laptop


      needs to be changed to



      127.0.1.1 newlaptop


      If you get it right sudo should work without delay immediately after saving this setting.






      share|improve this answer



























        5














        5










        5









        When you change your systems name in Gnome (The part that is displayed in the terminal after the @; e.g. tobias@laptop to tobias@newlaptop you might need to update your /etc/hosts:



        127.0.1.1 laptop


        needs to be changed to



        127.0.1.1 newlaptop


        If you get it right sudo should work without delay immediately after saving this setting.






        share|improve this answer













        When you change your systems name in Gnome (The part that is displayed in the terminal after the @; e.g. tobias@laptop to tobias@newlaptop you might need to update your /etc/hosts:



        127.0.1.1 laptop


        needs to be changed to



        127.0.1.1 newlaptop


        If you get it right sudo should work without delay immediately after saving this setting.







        share|improve this answer












        share|improve this answer



        share|improve this answer










        answered Sep 28 '18 at 6:08









        tobias47n9etobias47n9e

        2012 gold badges5 silver badges15 bronze badges




        2012 gold badges5 silver badges15 bronze badges































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