Chapter 4. Migrating Hosts From Katello Agent to Remote Execution

Remote Execution is the preferred way to manage package content on hosts. The Katello Agent is deprecated and will be removed in a future Satellite version. Follow these steps to switch to Remote Execution.

Prerequisites

You have enabled the Satellite Client 6 repository on Satellite Server. For more information, see Enabling the Satellite Client 6 Repository in Installing Satellite Server in a Connected Network Environment.
You have synchronized the Satellite Client 6 repository on Satellite Server. For more information, see Synchronizing the Satellite Client 6 Repository in Installing Satellite Server in a Connected Network Environment.
You have previously installed the katello-agent package on content hosts.

Procedure

If you have Remote Execution configured to use ssh mode, distribute the remote execution SSH keys to the hosts. For more information, see Section 12.14, “Distributing SSH Keys for Remote Execution”.
If you have Remote Execution configured to use pull-mqtt mode, deploy the remote execution pull client to the hosts. For more information, see Section 12.5, “Configuring a Host to Use the Pull Client”.
Stop the goferd service on content hosts:
```
systemctl stop goferd
```
```
# systemctl stop goferd
```
Copy to Clipboard Toggle word wrap
Disable the goferd service on content hosts:
```
systemctl disable goferd
```
```
# systemctl disable goferd
```
Copy to Clipboard Toggle word wrap
Remove the Katello agent on content hosts:
Warning
If your host is installed on Red Hat Virtualization version 4.4 or lower, do not remove the katello-agent package because the removed dependencies corrupt the host.
```
dnf remove katello-agent
```
```
# dnf remove katello-agent
```
Copy to Clipboard Toggle word wrap
In the Satellite web UI, navigate to Administer > Settings.
Select the Content tab.
Set the Use remote execution by default parameter to Yes.

The Satellite server now uses host management by remote execution instead of Katello Agent.

The following table shows the remote execution equivalent commands to perform specific package actions. See hammer job-invocation create --help to learn how to specify search queries to determine the target hosts or host collections.

Expand

Table 4.1. Hammer Commands
Action	Katello Agent	Remote Execution
Install a package	`hammer host package install`	`hammer job-invocation create --feature katello_package_install`
Install a package (host collection)	`hammer host-collection package install`	`hammer job-invocation create --feature katello_package_install`
Remove a package	`hammer host package remove`	`hammer job-invocation create --feature katello_package_remove`
Remove a package (host collection)	`hammer host-collection package remove`	`hammer job-invocation create --feature katello_package_remove`
Update a package	`hammer host package upgrade`	`hammer job-invocation create --feature katello_package_update`
Update a package (host collection)	`hammer host-collection package update`	`hammer job-invocation create --feature katello_package_update`
Update all packages	`hammer host package update`	`hammer job-invocation create --feature katello_package_update`
Install errata	`hammer host errata apply`	`hammer job-invocation create --feature katello_errata_install`
Install errata (host collection)	`hammer host-collection errata install`	`hammer job-invocation create --feature katello_errata_install`
Install a package group	`hammer host package-group install`	`hammer job-invocation create --feature katello_group_install`
Install a package group (host collection)	`hammer host-collection package-group install`	`hammer job-invocation create --feature katello_group_install`
Remove a package group	`hammer host package-group remove`	`hammer job-invocation create --feature katello_group_remove`
Remove a package group (host collection)	`hammer host-collection package-group remove`	`hammer job-invocation create --feature katello_group_remove`
Update a package group	`hammer host package-group update`	`hammer job-invocation create --feature katello_group_update`
Update a package group (host collection)	`hammer host-collection package-group update`	`hammer job-invocation create --feature katello_group_update`

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Chapter 4. Migrating Hosts From Katello Agent to Remote Execution

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