SSH stops working after upgrade to Ubuntu 18.04 on AWS Lightsail












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I had a working ssh for my aws lighsail instance.



I upgraded by ubutu from 16.04 to 18.04 using $ sudo do-release-upgrade.



Upgrade went smoothly and asked for reboot in the end to complete the upgrade
After that I have lost the ssh connect and since then reconnect does not work.Tried both putty and web ssh.Not working.
I can see even sftp filezilla has stopped working.



The instance is running (in aws lighsail console) and I can also access the lightsail website that means upgrade has completed successfully and not crashed.



I have checked the lightsail networking tab and port 22 for ssh is enabled.I did a remove and add but did not help.



Please help



Regards
Ash









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    I had a working ssh for my aws lighsail instance.



    I upgraded by ubutu from 16.04 to 18.04 using $ sudo do-release-upgrade.



    Upgrade went smoothly and asked for reboot in the end to complete the upgrade
    After that I have lost the ssh connect and since then reconnect does not work.Tried both putty and web ssh.Not working.
    I can see even sftp filezilla has stopped working.



    The instance is running (in aws lighsail console) and I can also access the lightsail website that means upgrade has completed successfully and not crashed.



    I have checked the lightsail networking tab and port 22 for ssh is enabled.I did a remove and add but did not help.



    Please help



    Regards
    Ash









    share







    New contributor




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























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      0








      I had a working ssh for my aws lighsail instance.



      I upgraded by ubutu from 16.04 to 18.04 using $ sudo do-release-upgrade.



      Upgrade went smoothly and asked for reboot in the end to complete the upgrade
      After that I have lost the ssh connect and since then reconnect does not work.Tried both putty and web ssh.Not working.
      I can see even sftp filezilla has stopped working.



      The instance is running (in aws lighsail console) and I can also access the lightsail website that means upgrade has completed successfully and not crashed.



      I have checked the lightsail networking tab and port 22 for ssh is enabled.I did a remove and add but did not help.



      Please help



      Regards
      Ash









      share







      New contributor




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












      I had a working ssh for my aws lighsail instance.



      I upgraded by ubutu from 16.04 to 18.04 using $ sudo do-release-upgrade.



      Upgrade went smoothly and asked for reboot in the end to complete the upgrade
      After that I have lost the ssh connect and since then reconnect does not work.Tried both putty and web ssh.Not working.
      I can see even sftp filezilla has stopped working.



      The instance is running (in aws lighsail console) and I can also access the lightsail website that means upgrade has completed successfully and not crashed.



      I have checked the lightsail networking tab and port 22 for ssh is enabled.I did a remove and add but did not help.



      Please help



      Regards
      Ash







      18.04 aws





      share







      New contributor




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










      share







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      Ash D is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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      share



      share






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      asked 7 mins ago









      Ash DAsh D

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      Ash D is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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