DNF Package Manager

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Index

Introduction The DNF package manager provides operations that install, update, and removes packages on RPM-based Linux distributions. Also provided are operations to facilitate features such as cache cleansing, auto package removal, and upgrade all packages.

Related Articles IT Operations Management Business Process Designer KeySafe

Target Environment Requirements

Credentials

Accounts used when executing jobs against operations contained within this package must adhere to the following requirements:

• The target machine must have a local user that will be used for running the operations;
• SSH Remote Login must be enabled for the user above;
• Configuration for the user must be added to the sudoers file on the target machine to allow the above user to sudo without a password (example: __someadminuser ALL = (ALL) NOPASSWD:ALL__).

KeySafe Configuration

When creating SIS jobs for operations within this package, they need to be run on the target machine as a user who has the correct privileges.

To configure your Target Machine account authentication in KeySafe:

• In the Admin console, navigate to: System > Security > KeySafe;
• Click on + then select Username + Password;
• Give the KeySafe Key a Title (this is the name/identifier for the target machine account as you will see it when creating an IT Automation Job or adding an IT Automation node to a Business Process or Runbook);
• Optionally add a description;
• Populate the Username field with the domain/local account username for the account being used on the target machine;
• Populate the Password field with the password for the above account;
• Select Create Key to save.

Once you have created your KeySafe Key, you can use it when creating IT Automation Jobs from this package. See screenshots to the right for examples.

Package Operations

The DNF Package Manager package contains the following operations that can be used to create ITOM Jobs directly or included in your Business Processes and/or IT Operations Management Runbooks.

Install Package

Install a package using "dnf install".

Input Parameters

• package MANDATORY - Name of package to install

Output Parameters

• outcome MANDATORY The outcome of the operation (OK/FAIL)
• version
• errors Any errors returned by the operation

Remove Package

Remove a package using "dnf remove".

Input Parameters

• package MANDATORY - Name of package to remove

Output Parameters

• outcome MANDATORY The outcome of the operation (OK/FAIL)
• errors Any errors returned by the operation

Is Package Installed

Confirm the installation of a package using "dnf info", if installed the package version is returned.

Input Parameters

• PackageName MANDATORY - Name of the package to check is installed

Output Parameters

• outcome MANDATORY The outcome of the operation (OK/FAIL)
• version
• errors Any errors returned by the operation

Clean Package Cache

Removes the content of the yum cache using "dnf clean". You must specify the type of data (defaults to packages), with the following list of options available: [all|metadata|packages|dbcache|expire-cache]

Input Parameters

• type MANDATORY - [all|metadata|packages|dbcache|expire-cache]

Output Parameters

• outcome The outcome of the operation (OK/FAIL)
• errors Any errors returned by the operation

Auto Remove Packages

Remove packages installed to meet the dependencies of other packages but are no longer needed because either the program has been uninstalled or has updated packages using "dnf autoremove".

Input Parameters

No input parameters

Output Parameters

• outcome The outcome of the operation (OK/FAIL)
• errors Any errors returned by the operation

Upgrade All Packages

Update package database and upgrade all installed packages using "dnf upgrade".

Input Parameters

No input parameters

Output Parameters

• outcome The outcome of the operation (OK/FAIL)
• errors Any errors returned by the operation