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Elastic Compute Service

Cloud assistant

Cloud assistant overview

The cloud assistant is a native tool for automatic O&M, which is developed by VolcanoEngine. With the cloud assistant, you can execute O&M commands on one or multiple objects. You do not need to input passwords, log in, or use a jump server.

Usage notes

For ECS instances that are installed with the cloud assistant Agent and are in a Running state, you can perform batch O&M operations in the Cloud Assistant console. For example, install the Cloud Monitor plugin and modify instance passwords. You can also use the operation orchestration feature to combine and execute multiple cloud product actions and operations steps.

tip

There are some differences between cloud assistant command execution and direct in-instance command execution. For details, refer to Description of differences between cloud assistant command executions and in-instance command executions.

Limits

Currently, you can only install and use the cloud assistant Agent on instances running the following operating system versions.

Image	Operating system type	Operating system version
Linux	veLinux	veLinux 2.0 64 bit veLinux 2.0 for TDX 64 bit veLinux 2.0 CentOS Compatible for TDX 64 bit veLinux 2.0 CentOS Compatible 64 bit
	veLinux			veLinux 1.0 64 bit veLinux 1.0 CentOS Compatible with 5.10 kernel 64 bit veLinux 1.0 CentOS Compatible 64 bit veLinux 1.0 with 5.10 kernel 64 bit
		Red Hat Enterprise Linux	Red Hat 9.3 64 bit Red Hat 9.2 64 bit Red Hat 9.1 64 bit Red Hat 9.0 64 bit Red Hat 8.10 64 bit Red Hat 8.9 64 bit Red Hat 8.8 64 bit Red Hat 8.7 64 bit Red Hat 8.6 64 bit Red Hat 8.5 64 bit Red Hat 8.4 64 bit Red Hat 8.3 64 bit Red Hat 8.2 64 bit
		CentOS	CentOS Stream 9 64 bit CentOS Stream 8 64 bit CentOS 7.9 BIOS 64 bit CentOS 7.9 64 bit CentOS 7.8 64 bit CentOS 7.7 64 bit CentOS 7.6 64 bit CentOS 7.5 64 bit CentOS 7.4 64 bit CentOS 7.3 64 bit CentOS 7.2 64 bit CentOS 7.1 64 bit CentOS 6.9 64 bit
		Ubuntu	Ubuntu 24.04 64 bit Ubuntu 22.04 64 bit Ubuntu 22.04 BIOS 64 bit Ubuntu 20.04 64 bit Ubuntu 20.04 BIOS 64 bit Ubuntu 18.04 64 bit Ubuntu 16.04 64 bit
		Debian	Debian 12 64 bit Debian 11 64 bit Debian 10 64 bit Debian 10 BIOS 64 bit Debian 9 64 bit
		OpenSUSE	OpenSUSE 15.4 64 bit
		Fedora	Fedora 37 64 bit
		Rocky Linux	Rocky Linux 9.4 64 bit Rocky Linux 9.2 64 bit Rocky Linux 9.1 64 bit Rocky Linux 9.0 64 bit Rocky Linux 8.10 64 bit Rocky Linux 8.9 64 bit Rocky Linux 8.8 64 bit Rocky Linux 8.7 64 bit Rocky Linux 8.6 64 bit Rocky Linux 8.5 64 bit
		AlmaLinux	AlmaLinux 9.4 64 bit AlmaLinux 9.3 64 bit AlmaLinux 9.2 64 bit AlmaLinux 9.1 64 bit AlmaLinux 8.10 64 bit AlmaLinux 8.9 64 bit AlmaLinux 8.8 64 bit AlmaLinux 8.7 64 bit
Windows	Windows Server 2022	Windows Server 2022 Datacenter Edition 64 bit Chinese Windows Server 2022 Datacenter Edition 64 bit English
		Windows Server 2019	Windows Server 2019 Datacenter Edition 64 bit Chinese Windows Server 2019 Datacenter Edition 64 bit English
		Windows Server 2016	Windows Server 2016 Datacenter Edition 64 bit Chinese Windows Server 2016 Datacenter Edition 64 bit English
		Windows Server 2012 R2	Windows Server 2012 R2 Datacenter Edition 64 bit Chinese Windows Server 2012 R2 Datacenter Edition 64 bit English

Concepts

Concept	Description
Command	A command or script that can be executed on an object, typically for a specific atomic O&M action. For example, "Install software" and "Change password".
Execute task	Execute a command on the specified object.
Object	The object selected for command execution in an O&M task (such as an ECS instance). The command then runs on each object.
Status	When a task runs, it transitions between different states.
Custom parameter	When defining a command, you can define variables with undetermined values as parameters. When creating the task, you need to enter the values of these parameters manually. For example, when running a password change script, you are required to enter the new password manually.

Procedure

Install the cloud assistant Agent: You can install the cloud assistant Agent for objects by selecting the installation option during instance creation, or by using the cloud assistant Agent installation feature.

Manage commands: Before creating O&M tasks, you can check whether preset public commands meet your O&M requirements first. If those public commands fall short of what you expect, you can create custom commands yourself.

Create a job: Create and run an O&M task. The cloud assistant then executes O&M commands on the objects specified in the task.

View the job execution result: After the job starts, you can view the job execution progress and result.

Last updated: 2026.01.20 16:14:30