Question

HOW TO RECOVER FILE AFTER DROPLET RESTART- UBUNTU 16.04

Posted September 7, 2018 1.1k views
MySQLApache

I all of a sudden started encountering this error “sshexchangeidentification: read: Connection reset by peer” . then i tried turning off the droplet and on again and when i connected back the the linux, all my files on /var/www/html was wiped out, the sudo service mysql start returns this error: Sep 07 09:10:36 ubuntu-s-2vcpu-4gb-sfo2-01 systemd[1]: Failed to start MySQL Community Server.
Sep 07 09:10:36 ubuntu-s-2vcpu-4gb-sfo2-01 systemd[1]: mysql.service: Unit entered failed state.
Sep 07 09:10:36 ubuntu-s-2vcpu-4gb-sfo2-01 systemd[1]: mysql.service: Failed with result ‘exit-code’.
Sep 07 09:10:37 ubuntu-s-2vcpu-4gb-sfo2-01 systemd[1]: mysql.service: Service hold-off time over, scheduling restart.
Sep 07 09:10:37 ubuntu-s-2vcpu-4gb-sfo2-01 systemd[1]: Stopped MySQL Community Server.
Sep 07 09:10:37 ubuntu-s-2vcpu-4gb-sfo2-01 systemd[1]: Starting MySQL Community Server…
Sep 07 09:10:37 ubuntu-s-2vcpu-4gb-sfo2-01 mysql-systemd-start[5980]: MySQL system database not found in /var/lib/mysql. Please run mysqld –initialize.
Sep 07 09:10:37 ubuntu-s-2vcpu-4gb-sfo2-01 systemd[1]: mysql.service: Control process exited, code=exited status=1
Sep 07 09:10:37 ubuntu-s-2vcpu-4gb-sfo2-01 systemd[1]: Failed to start MySQL Community Server.
Sep 07 09:10:37 ubuntu-s-2vcpu-4gb-sfo2-01 systemd[1]: mysql.service: Unit entered failed state.
Sep 07 09:10:37 ubuntu-s-2vcpu-4gb-sfo2-01 systemd[1]: mysql.service: Failed with result 'exit-code’.
Sep 07 09:10:37 ubuntu-s-2vcpu-4gb-sfo2-01 systemd[1]: mysql.service: Service hold-off time over, scheduling restart.
Sep 07 09:10:37 ubuntu-s-2vcpu-4gb-sfo2-01 systemd[1]: Stopped MySQL Community Server.
Sep 07 09:10:37 ubuntu-s-2vcpu-4gb-sfo2-01 systemd[1]: mysql.service: Start request repeated too quickly.
Sep 07 09:10:37 ubuntu-s-2vcpu-4gb-sfo2-01 systemd[1]: Failed to start MySQL Community Server.

I have tried sudo mysqld —initialize and I got this error:
2018-09-07T08:45:45.504752Z 0 [ERROR] Can’t change data directory owner to mysql
2018-09-07T08:45:45.504983Z 0 [ERROR] Aborting

i have tried the recovery steps on this tutorial : https://www.digitalocean.com/docs/droplets/resources/recovery-iso/ with no luck.

Please how do I restore my os / recover my files. Thanks

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1 answer
jarland September 7, 2018

Hey friend!

This situation is a bit deeper than anyone can know from an external perspective. If you have a system administrator that you trust, you should ask them to review that server for you. Files don’t really just go missing from a reboot, and it’s especially odd if they do and yet the operating system still boots (as that kind of file system corruption is unlikely to specifically target items non-essential to boot).

My concern is that your server was compromised and configured by an attacker to act this way. Most likely you’re not going to restore that data in a meaningful way and should start pulling your external backups. I would not re-deploy on this server, but I would have a sysadmin look at it to see if any evidence remains of what occurred so that it might be prevented.

Jarland

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