How to execute some command always after hard reboot (ubuntu server)?

Kristi Jorgji

7/30/23, 7:55 PM

I am facing an issue that everytime I hard restart my server (maybe went bananas due to out of memory, ddosed etc) supervisor fails to run. And the reason for that is identified and simply /var/run/supervisor directory is deleted.

I learned that /var/run folders are deleted on hard reboot (via ec2 panel for instance force stop then start), so my humble question is:

How can I execute this mkdir /var/run/supervisor after every hard reboot ? Where is the perfect place to add such logic. I guess it is not /etc/profile for sure

(the rest works fine, supervisor is configured as service + uses unix sock at var/run/supervisor/supervisor.sock)

My ubuntu version:

lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description:    Ubuntu 20.04.2 LTS
Release:        20.04
Codename:       focal

0 + 0

ubuntu

Score:1

Server

NoBody

7/31/23, 8:10 AM

In Ubuntu 20 I would expect that supervisor is started as a systemd service unit.

In the service unit for supervisor you need to specify that the directory is created: (the unit name might be different)

https://serverfault.com/a/779648 & https://serverfault.com/a/840999

sudo systemctl edit --full supervisor

and add a directive:

RuntimeDirectory=supervisor

0 + 0

Kristi Jorgji

7/31/23, 9:08 AM

Thank you. I edited `systemctl edit --full supervisord.service` because nothing was found with supervisor to ```[Unit] Description=Supervisor daemon Documentation=http://supervisord.org After=network.target [Service] ExecStart=/usr/local/bin/supervisord -n -c /etc/supervisord.conf ExecStop=/usr/local/bin/supervisorctl $OPTIONS shutdown ExecReload=/usr/local/bin/supervisorctl $OPTIONS reload KillMode=process Restart=on-failure RestartSec=42s RuntimeDirectory=supervisor [Install] WantedBy=multi-user.target Alias=supervisord.service ```

Kristi Jorgji

7/31/23, 9:50 AM

I chose your answer as solution , thank you. Next time hard reboot happens can verify if worked correctly

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EN: How to execute some command always after hard reboot (ubuntu server)?

TH: จะดำเนินการคำสั่งบางอย่างเสมอหลังจากรีบูตเครื่อง (เซิร์ฟเวอร์ Ubuntu) ได้อย่างไร

RO: Cum se execută o comandă întotdeauna după o repornire completă (server ubuntu)?

RU: Как выполнить какую-либо команду всегда после жесткой перезагрузки (сервер ubuntu)?

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