在 Fedora 添加或移除软件源

Anthony McGlone Version F37 Last review: 2023-01-05

本章节将讲述如何使用 DNF 添加、启用和禁用软件源。

Adding repositories

This section describes how to add software repositories with the dnf config-manager command.

To add a new repository, do the following as root.
1. Define a new repository by adding a new file with the .repo suffix to the /etc/yum.repos.d/ directory. For details about various options to use in the .repo file, see the Setting [repository] Options section in the System Administrator’s Guide
2. Add the newly created repository.
  dnf config-manager --add-repo repository
  Where repository is the path to the created .repo file, for example:
  dnf config-manager addrepo --from-repofile=/tmp/fedora_extras.repo

Enabling repositories

This section shows how to enable a particular software repository by using the dnf config-manager command.

To enable a particular repository, run the following command as root.
```
dnf config-manager setopt repository.enabled=1
```
Where repository is the unique repository ID, for example:
```
dnf config-manager setopt fedora-extras.enabled=1
```

Disabling repositories

This section shows how to disable a particular software repository by using the dnf config-manager command.

To disable a particular repository, run the following command as root.
```
dnf config-manager setopt repository.enabled=0
```
Where repository is the unique repository ID, for example:
```
dnf config-manager setopt fedora-extras.enabled=0
```

Removing repositories

This section shows how to remove a Yum repository (or .repo file).

If you know the ID of a repository, but you’re not sure what .repo it belongs to, you can run the following command grep -E "^\[.*]" /etc/yum.repos.d/*. This will print a list of the repository IDs that are associated with each Yum repository.

To remove a Yum repository, run the following command as root.
```
rm /etc/yum.repos.d/file_name.repo
```
Where file_name is the name of the .repo file.

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