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

Stop the goferd service on content hosts:
```
systemctl stop goferd.service
```
```
# systemctl stop goferd.service
```
Copy to Clipboard Toggle word wrap
Disable the goferd service on content hosts:
```
systemctl disable goferd.service
```
```
# systemctl disable goferd.service
```
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.
```
yum remove katello-agent
```
```
# yum remove katello-agent
```
Copy to Clipboard Toggle word wrap
Distribute the remote execution SSH keys to the content hosts. For more information, see Section 12.8, “Distributing SSH Keys for Remote Execution”.
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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