Essentials environment reference
Reference for services, sudo commands, and helper tools on Webscale Essentials environments.
Lookup-style reference for Essentials environments.
1. Service management
These services can be managed with systemctl (no password) by allowed users:
| Unit | Description |
|---|---|
rabbitmq |
Message queue |
opensearch |
Search backend |
valkey-persistent |
Persistent key-value store |
valkey-volatile |
Volatile cache |
vinyl |
Vinyl (Varnish) HTTP Cache |
php-fpm |
PHP application processes |
mysql |
MySQL database |
relay |
HTTP relay / reverse proxy |
Examples
systemctl status php-fpm
systemctl restart rabbitmq
systemctl restart mysql
2. Helper commands
Available to users in the adm group:
dev– run commands in thephp-fpmcontainer
Examples
dev 'php bin/magento --version'
# or
dev 'php bin/console --version'
3. Web root and key paths
-
Web root:
/var/www/html -
Logs and reports:
/var/log/{php-fpm,vinyl,opensearch,mysql, ... }
4. Queue / cache examples
# RabbitMQ
rabbitmqctl list_queues
# Valkey
valkey-cli ping
If it is password protected:
valkey-cli -p 6379 -a <volatile-secret> ping
valkey-cli -p 6380 -a <persistent-secret> ping
5. Related how-to guides
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Last modified February 6, 2026