Main ULN Channels

The following table lists the primary ULN channels for Oracle Linux 10. Extra channels are available. Check the ULN web interface for a complete list. The corresponding yum repositories are available on https://yum.oracle.com/.

Channel	Description
`ol10_arch_baseos_latest`	Core channel. Provides all the latest versions of the base OS packages in the current release of the distribution, including any errata. If no vulnerabilities have been found in a package, the package version might be the same as that included in the original distribution. For other packages, the version is set at the highest update level.
`ol10_arch_appstream`	Core channel. Provides all the latest versions of the Application Stream user space packages in the current release of the distribution, including any errata. If no vulnerabilities have been found in a package, the package version might be the same as that included in the original distribution. For other packages, the version is set at the highest update level.
`ol10_arch_addons`	Provides packages released by Oracle in addition to the upstream packages made available in the other channels listed here. These packages are specific to functionality that Oracle provides to improve user experience on Oracle Linux and to provide access to services specific to Oracle.
`ol10_arch_codeready_builder`	Provides the packages released in the upstream `codeready_builder` channel. The packages released in this channel are intended for developers who intend to build binary content from source packages. The packages include compilers, libraries, and source required for package building and other related tasks. Many of the packages in this channel have dependencies on packages in the `ol10_arch_appstream` channel. Support for the `codeready_builder` packages is limited to package installation help only.
`ol10_arch_developer`	Provides packages intended for developers to create test and development environments for Oracle Linux 10 and related technologies. Support for the developer packages is limited to package installation help only.
`ol10_un_arch_developer_EPEL`	Provides a mirror of the selected packages that are available on the EPEL (Extra Packages for Enterprise Linux) repository. Support for the EPEL packages is limited to package installation help only. Unlike in previous releases of Oracle Linux, the EPEL channels are synced with the update level of the release, for example, `ol10_u0_x86_64_developer_EPEL`.

The following table lists the primary ULN channels for Oracle Linux 9. Extra channels are available. Check the ULN web interface for a complete list. The corresponding yum repositories are available on https://yum.oracle.com/.

Channel	Description
`ol9_arch_baseos_latest`	Core channel. Provides all the latest versions of the base OS packages in the current release of the distribution, including any errata. If no vulnerabilities have been found in a package, the package version might be the same as that included in the original distribution. For other packages, the version is set at the highest update level.
`ol9_arch_appstream`	Core channel. Provides all the latest versions of the Application Stream user space packages in the current release of the distribution, including any errata. If no vulnerabilities have been found in a package, the package version might be the same as that included in the original distribution. For other packages, the version is set at the highest update level.
`ol9_arch_addons`	Provides packages released by Oracle in addition to the upstream packages made available in the other channels listed here. These packages are specific to functionality that Oracle provides to improve user experience on Oracle Linux and to provide access to services specific to Oracle.
`ol9_arch_codeready_builder`	Provides the packages released in the upstream `codeready_builder` channel. The packages released in this channel are intended for developers who intend to build binary content from source packages. The packages include compilers, libraries, and source required for package building and other related tasks. Many of the packages in this channel have dependencies on packages in the `ol9_arch_appstream` channel. Support for the `codeready_builder` packages is limited to package installation help only.
`ol9_arch_developer`	Provides packages intended for developers to create test and development environments for Oracle Linux 9 and related technologies. Support for the developer packages is limited to package installation help only.
`ol9_arch_developer_EPEL`	Provides a mirror of the selected packages that are available on the EPEL (Extra Packages for Enterprise Linux) repository. Support for the EPEL packages is limited to package installation help only.

The following table lists the primary ULN channels for Oracle Linux 8. Extra channels are available. Check the ULN web interface for a complete list. The corresponding yum repositories are available on https://yum.oracle.com/.

Channel	Description
`ol8_arch_baseos_latest`	Core channel Provides all the latest versions of the base OS packages in the distribution, including any errata. If no vulnerabilities have been found in a package, the package version might be the same as that included in the original distribution. For other packages, the version is set at the highest update level.
`ol8_arch_appstream`	Core channel Provides all the latest versions of the Application Stream user space packages in the distribution, including any errata. If no vulnerabilities have been found in a package, the package version might be the same as that included in the original distribution. For other packages, the version is set at the highest update level.
`ol8_arch_un_baseos_base`	Provides the base versions of the base OS packages in the distribution when a particular update level is released. The initial release of Oracle Linux 8, n has a value of 0. Errata patches aren't provided in this channel. To keep the system updated and secure, subscribe to the appropriate `_baseos_patch` channel or subscribe to the appropriate `_baseos_latest` channel. If the system is subscribed to the `_baseos_latest` channel, you don't need to subscribe to this channel.
`ol8_arch_un_baseos_patch`	Provides the patched versions of the base OS packages in the distribution when a particular update level is released. As errata patches are made available, the updates are released into this channel. Note that in the case of the initial release of Oracle Linux 8, n has a value of 0. Errata patches are provided in this channel until a new update release is made available. To keep a system updated and secure, subscribe to the appropriate `_baseos_latest` channel. If the system is subscribed to the `_baseos_latest` channel, you don't need to subscribe to a patch channel.
`ol8_arch_addons`	Provides packages released by Oracle in addition to the upstream packages made available in the other channels listed here. These packages are specific to functionality that Oracle provides to improve user experience on Oracle Linux and to provide access to services specific to Oracle.
`ol8_arch_codeready_builder`	Provides the packages released in the upstream `codeready_builder` channel. The packages released in this channel are intended for developers who intend to build binary content from source packages. The packages include compilers, libraries, and source required for package building and other related tasks. Many of the packages in this channel have dependencies on packages in the `ol8_arch_appstream` channel. Support for the `codeready_builder` packages is limited to package installation help only.
`ol8_arch_developer`	Provides packages intended for developers to create test and development environments for Oracle Linux 8 and related technologies. Support for the developer packages is limited to package installation help only.
`ol8_arch_developer_EPEL`	Provides a mirror of the selected packages that are available on the EPEL (Extra Packages for Enterprise Linux) repository. Support for the EPEL packages is limited to package installation help only.