```sh
sudo apt install -y supervisor
supervisord -c supervisord.conf -n
```

```toml
[supervisord]
nodaemon=true
logfile=/dev/null
loglevel=critical

[program:process1]
command=sh -c "while true; do echo hello; sleep 2; done"
autostart=true
autorestart=true
stdout_logfile=/dev/stdout
stdout_logfile_maxbytes=0
stderr_logfile=/dev/stderr
stderr_logfile_maxbytes=0

[program:process2]
command=sh -c "while true; do echo world; sleep 3; done"
autostart=true
autorestart=true
stdout_logfile=/dev/stdout
stdout_logfile_maxbytes=0
stderr_logfile=/dev/stderr
stderr_logfile_maxbytes=0
```