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Changing ubuntu hostname has no effect


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I am new to ubuntu and I am trying to change hostname of my ubuntu server 18.04.2 LTS. I've already changed /etc/hostname and /etc/hosts and rebooted. But it didn't work.



My files:
/etc/hostname:




ubuntu-s2




/etc/hosts:




127.0.0.1 localhost.localdomain ubuntu-s2



::1 localhost6.localdomain6 localhost6



::1 localhost ip6-localhost ip6-loopback



fe00::0 ip6-localnet



ff02::1 ip6-allnodes



ff02::2 ip6-allrouters
ff02::3 ip6-allhosts




Is the only way to do it to change preserve hostname to true in /etc/cloud/cloud.cfg?










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    0















    I am new to ubuntu and I am trying to change hostname of my ubuntu server 18.04.2 LTS. I've already changed /etc/hostname and /etc/hosts and rebooted. But it didn't work.



    My files:
    /etc/hostname:




    ubuntu-s2




    /etc/hosts:




    127.0.0.1 localhost.localdomain ubuntu-s2



    ::1 localhost6.localdomain6 localhost6



    ::1 localhost ip6-localhost ip6-loopback



    fe00::0 ip6-localnet



    ff02::1 ip6-allnodes



    ff02::2 ip6-allrouters
    ff02::3 ip6-allhosts




    Is the only way to do it to change preserve hostname to true in /etc/cloud/cloud.cfg?










    share|improve this question









    New contributor




    j_skowron is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
    Check out our Code of Conduct.























      0












      0








      0








      I am new to ubuntu and I am trying to change hostname of my ubuntu server 18.04.2 LTS. I've already changed /etc/hostname and /etc/hosts and rebooted. But it didn't work.



      My files:
      /etc/hostname:




      ubuntu-s2




      /etc/hosts:




      127.0.0.1 localhost.localdomain ubuntu-s2



      ::1 localhost6.localdomain6 localhost6



      ::1 localhost ip6-localhost ip6-loopback



      fe00::0 ip6-localnet



      ff02::1 ip6-allnodes



      ff02::2 ip6-allrouters
      ff02::3 ip6-allhosts




      Is the only way to do it to change preserve hostname to true in /etc/cloud/cloud.cfg?










      share|improve this question









      New contributor




      j_skowron is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.












      I am new to ubuntu and I am trying to change hostname of my ubuntu server 18.04.2 LTS. I've already changed /etc/hostname and /etc/hosts and rebooted. But it didn't work.



      My files:
      /etc/hostname:




      ubuntu-s2




      /etc/hosts:




      127.0.0.1 localhost.localdomain ubuntu-s2



      ::1 localhost6.localdomain6 localhost6



      ::1 localhost ip6-localhost ip6-loopback



      fe00::0 ip6-localnet



      ff02::1 ip6-allnodes



      ff02::2 ip6-allrouters
      ff02::3 ip6-allhosts




      Is the only way to do it to change preserve hostname to true in /etc/cloud/cloud.cfg?







      linux networking ubuntu hostname






      share|improve this question









      New contributor




      j_skowron is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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      share|improve this question









      New contributor




      j_skowron is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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      share|improve this question




      share|improve this question








      edited 2 days ago







      j_skowron













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      asked 2 days ago









      j_skowronj_skowron

      11




      11




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      New contributor





      j_skowron is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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          You are missing one thing:



          hostnamectl set-hostname ubuntu-s2


          After that, reboot. Your hostname will then be ubuntu-s2






          share|improve this answer
























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            You are missing one thing:



            hostnamectl set-hostname ubuntu-s2


            After that, reboot. Your hostname will then be ubuntu-s2






            share|improve this answer




























              0














              You are missing one thing:



              hostnamectl set-hostname ubuntu-s2


              After that, reboot. Your hostname will then be ubuntu-s2






              share|improve this answer


























                0












                0








                0







                You are missing one thing:



                hostnamectl set-hostname ubuntu-s2


                After that, reboot. Your hostname will then be ubuntu-s2






                share|improve this answer













                You are missing one thing:



                hostnamectl set-hostname ubuntu-s2


                After that, reboot. Your hostname will then be ubuntu-s2







                share|improve this answer












                share|improve this answer



                share|improve this answer










                answered 2 days ago









                Nasir RileyNasir Riley

                636136




                636136






















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