I see
New release '20.04 LTS' available.
I tried to do a 'do-release-upgrade' to upgrade my ubuntu lightsail from 18,04 to 20,04.
It started and went through but got stuck when trying to start the mysql server 8.0. I think it upgraded from 5.7.
ubuntu@ip-172-26-7-175:$ mysql -V
mysql Ver 8.0.34-0ubuntu0.20.04.1 for Linux on x86_64 ((Ubuntu))
ubuntu@ip-172-26-7-175:$ sudo systemctl status mysql
● mysql.service
Loaded: masked (Reason: Unit mysql.service is masked.)
Active: failed (Result: exit-code) since Wed 2023-09-06 16:42:32 UTC; 40min ago
Main PID: 947 (code=exited, status=0/SUCCESS)
Sep 06 16:42:32 ip-172-26-7-175 systemd[1]: mysql.service: Service hold-off time over, scheduling restart.
Sep 06 16:42:32 ip-172-26-7-175 systemd[1]: mysql.service: Scheduled restart job, restart counter is at 6.
Sep 06 16:42:32 ip-172-26-7-175 systemd[1]: Stopped MySQL Community Server.
Sep 06 16:42:32 ip-172-26-7-175 systemd[1]: mysql.service: Start request repeated too quickly.
Sep 06 16:42:32 ip-172-26-7-175 systemd[1]: mysql.service: Failed with result 'exit-code'.
Sep 06 16:42:32 ip-172-26-7-175 systemd[1]: Failed to start MySQL Community Server.
ubuntu@ip-172-26-7-175:$ sudo systemctl start mysql
Failed to start mysql.service: Unit mysql.service is masked.
ubuntu@ip-172-26-7-175:$ sudo systemctl status mysql
● mysql.service
Loaded: masked (Reason: Unit mysql.service is masked.)
Active: failed (Result: exit-code) since Wed 2023-09-06 16:42:32 UTC; 42min ago
Main PID: 947 (code=exited, status=0/SUCCESS)
Sep 06 16:42:32 ip-172-26-7-175 systemd[1]: mysql.service: Service hold-off time over, scheduling restart.
Sep 06 16:42:32 ip-172-26-7-175 systemd[1]: mysql.service: Scheduled restart job, restart counter is at 6.
Sep 06 16:42:32 ip-172-26-7-175 systemd[1]: Stopped MySQL Community Server.
Sep 06 16:42:32 ip-172-26-7-175 systemd[1]: mysql.service: Start request repeated too quickly.
Sep 06 16:42:32 ip-172-26-7-175 systemd[1]: mysql.service: Failed with result 'exit-code'.
Sep 06 16:42:32 ip-172-26-7-175 systemd[1]: Failed to start MySQL Community Server.
ubuntu@ip-172-26-7-175:$ ^C
ubuntu@ip-172-26-7-175:$ sudo systemctl unmask mysql.service
Removed /etc/systemd/system/mysql.service.
ubuntu@ip-172-26-7-175:$ sudo systemctl start mysql
Job for mysql.service failed because the control process exited with error code.
See "systemctl status mysql.service" and "journalctl -xe" for details.
ubuntu@ip-172-26-7-175:$ sudo systemctl start mysql
Job for mysql.service failed because the control process exited with error code.
See "systemctl status mysql.service" and "journalctl -xe" for details.
ubuntu@ip-172-26-7-175:~$ sudo systemctl status mysql
● mysql.service - MySQL Community Server
Loaded: loaded (/lib/systemd/system/mysql.service; enabled; vendor preset: enabled)
Active: failed (Result: exit-code) since Wed 2023-09-06 17:32:53 UTC; 4s ago
Process: 29759 ExecStartPre=/usr/share/mysql/mysql-systemd-start pre (code=exited, status=1/FAILURE)
Sep 06 17:32:53 ip-172-26-7-175 systemd[1]: mysql.service: Scheduled restart job, restart counter is at 5.
Sep 06 17:32:53 ip-172-26-7-175 systemd[1]: Stopped MySQL Community Server.
Sep 06 17:32:53 ip-172-26-7-175 systemd[1]: mysql.service: Start request repeated too quickly.
Sep 06 17:32:53 ip-172-26-7-175 systemd[1]: mysql.service: Failed with result 'exit-code'.
Sep 06 17:32:53 ip-172-26-7-175 systemd[1]: Failed to start MySQL Community Server.
ubuntu@ip-172-26-7-175:$ mysql -V
mysql Ver 8.0.34-0ubuntu0.20.04.1 for Linux on x86_64 ((Ubuntu))
ubuntu@ip-172-26-7-175:$
I checked the ubuntu version and it has upgraded to 20.04
ubuntu@ip-172-26-7-175:$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 20.04.6 LTS
Release: 20.04
Codename: focal
ubuntu@ip-172-26-7-175:$
I am on the lightsail 2GB RAM $10 version