RHEL – 订阅、注册系统和 Yum Repository(新版界面)

RHEL – 订阅、注册系统和 Yum Repository(新版界面)如果不执行前面的 subscription managerattac 命令关联有效订阅 此步将没有返回结果

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演示环境说明

  • 本文需要有 redhat.com 账号以及包含 RHEL 的有效订阅。
  • 演示环境使用了通过 minimal 方式安装的 RHEL 7.6 环境,RHEL 可以访问互联网。
  • 红帽网站 access.redhat.com 针对新用户提供了新版界面,对于较早的客户提供的还是老版界面(界面差异见以下 “查看当前用户的有效订阅” 小节的截图,另外还可参见新老版本对应关系)。

注册和注销 RHEL 系统

  1. 在 RHEL 中执行以下命令查看当前 RHEL 版本和订阅情况。
$ subscription-manager list +-------------------------------------------+ Installed Product Status +-------------------------------------------+ Product Name: Red Hat Enterprise Linux Server Product ID: 69 Version: 7.6 Arch: x86_64 Status: Unknown Status Details: Starts: Ends: 
  1. 查看本地 Yum Repo,确认当前本地没有可用的 Repo,另外配置文件中也无有效内容。
$ yum repolist Loaded plugins: product-id, search-disabled-repos, subscription-manager This system is not registered with an entitlement server. You can use subscription-manager to register. repolist: 0 $ ll /etc/yum.repos.d/redhat.repo -rw-r--r--. 1 root root 358 Sep 24 22:51 /etc/yum.repos.d/redhat.repo 
  1. 执行以下命令,可将该 RHEL 系统注册到红帽官方。
$ subscription-manager register --username xxx --password yyy Registering to: subscription.rhsm.redhat.com:443/subscription The system has been registered with ID: bc39c292-79d8-4482-ad5d-098506ff9bbe The registered system name is: rhel-repo 
  1. 可执行以下命令查看当前的系统也没有关联有效订阅。
$ subscription-manager list --consumed No consumed subscription pools were found. 
  1. 再次执行命令,确认 Status 已经从“Unknown” 变为 “Not Subscribed”,这说明系统还没有和订阅关联起来。
$ subscription-manager list +-------------------------------------------+ Installed Product Status +-------------------------------------------+ Product Name: Red Hat Enterprise Linux Server Product ID: 69 Version: 7.6 Arch: x86_64 Status: Not Subscribed Status Details: Starts: Ends: 
  1. 执行命令,确认本地已有 Yum Repo 和可用的 Repo 配置了。注意:缺省 “$releasever” 是 “7Server”。
$ subscription-manager repos --list-enabled +----------------------------------------------------------+ Available Repositories in /etc/yum.repos.d/redhat.repo +----------------------------------------------------------+ Repo ID: rhel-7-server-rpms Repo Name: Red Hat Enterprise Linux 7 Server (RPMs) Repo URL: https://cdn.redhat.com/content/dist/rhel/server/7/$releasever/$basearch/os Enabled: 1 $ ll /etc/yum.repos.d/redhat.repo -rw-r--r--. 1 root root  Sep 24 22:53 /etc/yum.repos.d/redhat.repo $ yum repolist Loaded plugins: product-id, search-disabled-repos, subscription-manager This system is registered with an entitlement server, but is not receiving updates. You can use subscription-manager to assign subscriptions. rhel-7-server-rpms | 3.5 kB 00:00:00 (1/3): rhel-7-server-rpms/7Server/x86_64/group | 631 kB 00:00:08 (2/3): rhel-7-server-rpms/7Server/x86_64/updateinfo | 4.3 MB 00:00:11 (3/3): rhel-7-server-rpms/7Server/x86_64/primary_db | 96 MB 00:00:44 repo id repo name status rhel-7-server-rpms/7Server/x86_64 Red Hat Enterprise Linux 7 Server (RPMs) 33,930 repolist: 33,930 
  1. 执行命令可以注销当前的系统。
$ subscription-manager unregister 

查看当前用户的有效订阅

  1. 登录 https://access.redhat.com/management,查看当前用户有的红帽订阅。
    在这里插入图片描述
  2. 在 “订阅” 中查看用户当前的有效订阅。
    在这里插入图片描述
  3. 查看有效订阅详细情况。
    在这里插入图片描述
  4. 可通过命令查看当前用户的有效订阅。
$ subscription-manager list --available +-------------------------------------------+ Available Subscriptions +-------------------------------------------+ Subscription Name: Red Hat Developer Subscription for Individuals Provides: Red Hat Beta Red Hat Enterprise Linux EUS Compute Node Red Hat Enterprise Linux Fast Datapath Red Hat Enterprise Linux for x86_64 Red Hat Build of Quarkus Red Hat Developer Tools (for RHEL Server for ARM) Red Hat OpenShift Enterprise JBoss EAP add-on Beta Red Hat Ansible Automation Platform Red Hat CodeReady Linux Builder for x86_64 Red Hat Enterprise Linux High Performance Networking (for RHEL Compute Node) Oracle Java (for RHEL Server) Red Hat Enterprise Linux High Performance Networking (for RHEL Server) - Extended Update Support Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support Red Hat JBoss AMQ Clients Red Hat Enterprise Linux Server dotNET on RHEL (for RHEL Server) Red Hat 3scale API Management Platform Red Hat JBoss Data Grid Red Hat Software Collections (for RHEL Server for ARM) Red Hat CodeReady Linux Builder for ARM 64 Red Hat Openshift Application Runtimes Red Hat Enterprise Linux Fast Datapath (for RHEL for ARM 64) Red Hat Enterprise Linux High Availability for x86_64 Red Hat Enterprise Linux Atomic Host Beta Red Hat Container Images Red Hat OpenShift Container Platform for ARM 64 Red Hat OpenShift Container Platform Red Hat Developer Tools Beta (for RHEL Server for ARM) Red Hat Enterprise Linux Resilient Storage for IBM z Systems - Extended Update Support Red Hat JBoss Core Services from RHUI Red Hat Enterprise Linux Load Balancer (for RHEL Server) Red Hat JBoss Middleware OpenJDK Java (for Middleware) Red Hat Enterprise Linux for SAP Solutions for x86_64 - Extended Update Support Red Hat Enterprise Linux for SAP Applications for x86_64 - Update Services for SAP Solutions Red Hat Enterprise Linux Atomic Host Red Hat Enterprise Linux High Availability (for IBM z Systems) - Extended Update Support Red Hat Enterprise Linux High Availability for x86_64 - Extended Update Support Red Hat Developer Toolset (for RHEL Server) Red Hat CodeReady Workspaces for OpenShift Red Hat Enterprise Linux for SAP Solutions for x86_64 Red Hat AMQ Interconnect Red Hat Enterprise Linux High Performance Networking (for RHEL Server) dotNET on RHEL Beta (for RHEL Server) Red Hat Developer Suite v.3 Red Hat Enterprise Linux for SAP Applications for Power LE - Update Services for SAP Solutions JBoss Enterprise Web Server from RHUI Red Hat Software Collections (for RHEL Server) Red Hat Openshift Application Runtimes for IBM Power LE Red Hat Ansible Engine MRG Realtime Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions Red Hat Container Images Beta Red Hat Developer Tools (for RHEL Server) JBoss Enterprise Application Platform from RHUI Red Hat Developer Tools Beta (for RHEL Server) Red Hat Software Collections Beta (for RHEL Server for ARM) Oracle Java (for RHEL Server) - Extended Update Support Red Hat Enterprise Linux for SAP Solutions for x86_64 - Update Services for SAP Solutions Red Hat S-JIS Support (for RHEL Server) - Extended Update Support Red Hat Software Collections Beta (for RHEL Server) Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support Red Hat Enterprise Linux for IBM z Systems - Extended Update Support Red Hat Enterprise Linux Load Balancer (for RHEL Server) - Extended Update Support Red Hat Enterprise Linux for ARM 64 Red Hat Enterprise Linux Fast Datapath Beta for x86_64 Red Hat OpenShift Enterprise JBoss EAP add-on Red Hat EUCJP Support (for RHEL Server) - Extended Update Support JBoss Enterprise Web Platform Red Hat Enterprise Linux for SAP Applications for x86_64 - Extended Update Support Red Hat OpenShift Enterprise JBoss A-MQ add-on Red Hat OpenShift Application Runtimes Beta Red Hat Enterprise Linux Scalable File System (for RHEL Server) - Extended Update Support Red Hat Enterprise Linux for Real Time Red Hat Migration Toolkit Red Hat Enterprise Linux Scalable File System (for RHEL Server) Red Hat Enterprise Linux High Availability for x86_64 - Update Services for SAP Solutions Red Hat OpenShift Enterprise JBoss FUSE add-on JBoss Enterprise Application Platform Red Hat Enterprise Linux for SAP Applications for x86_64 Red Hat JBoss Core Services Red Hat Enterprise Linux Resilient Storage for x86_64 - Extended Update Support Red Hat Enterprise Linux Resilient Storage for x86_64 Red Hat Container Development Kit Red Hat Enterprise Linux for x86_64 - Extended Update Support SKU: RH00798 Contract: Pool ID: 2c945dc486dbcc2a Provides Management: No Available: 16 Suggested: 1 Service Level: Self-Support Service Type: Subscription Type: Standard Starts: 03/23/2023 Ends: 03/21/2024 System Type: Physical Subscription Name: Red Hat Beta Access Provides: Red Hat Satellite Capsule Beta Red Hat Enterprise Linux for SAP Applications for IBM z Systems Beta Red Hat Enterprise Linux for SAP Applications for Power, little endian Beta Red Hat Enterprise Linux Fast Datapath Beta for Power, little endian Red Hat Enterprise Linux Resilient Storage Beta Red Hat Enterprise Linux for SAP Applications for x86_64 Beta Red Hat CodeReady Linux Builder for IBM z Systems Beta Red Hat Enterprise Linux for SAP HANA for x86_64 Beta Red Hat Enterprise Linux Advanced Virtualization Beta (for RHEL Server for IBM System Z) Red Hat CodeReady Linux Builder for x86_64 Beta Red Hat Enterprise Linux for SAP HANA for Power, little endian Beta Red Hat Directory Server Beta Red Hat Enterprise Linux for Power, little endian Beta Red Hat Certificate System Beta Red Hat Enterprise Linux for Real Time for NFV Beta Red Hat Enterprise Linux for Real Time Beta Red Hat Satellite Beta Red Hat Enterprise Linux Fast Datapath Beta for x86_64 Red Hat Enterprise Linux for x86_64 Beta Red Hat Enterprise Linux for IBM z Systems Beta Red Hat Enterprise Linux for ARM 64 Beta Red Hat CodeReady Linux Builder for ARM 64 Beta Red Hat CodeReady Linux Builder for Power, little endian Beta Red Hat Enterprise Linux High Availability Beta SKU: RH00069 Contract: Pool ID: 2c94d89286ea780d01870cc2f95b0021 Provides Management: No Available: Unlimited Suggested: 1 Service Level: Self-Support Service Type: L1-L3 Subscription Type: Standard Starts: 03/23/2023 Ends: 03/21/2024 System Type: Physical 

将 RHEL 系统关联和取关订阅

  1. 执行命令确认当前 RHEL 系统没有和订阅关联。
$ subscription-manager list --consumed No consumed subscription pools were found. 
  1. 执行命令,将当前系统和指定 pool 的订阅关联。
$ subscription-manager attach --pool=2c945dc486dbcc2a Successfully attached a subscription for: Red Hat Developer Subscription for Individuals 
  1. 查看已被使用的订阅。
$ subscription-manager list --consumed +-------------------------------------------+ Consumed Subscriptions +-------------------------------------------+ Subscription Name: Red Hat Developer Subscription for Individuals Provides: Red Hat Enterprise Linux High Availability for x86_64 - Update Services for SAP Solutions Red Hat Enterprise Linux Atomic Host Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support JBoss Enterprise Application Platform from RHUI Red Hat Enterprise Linux Atomic Host Beta JBoss Enterprise Web Server from RHUI Red Hat Developer Tools (for RHEL Server) Red Hat Container Images Red Hat Developer Tools Beta (for RHEL Server) Red Hat Container Images Beta Red Hat 3scale API Management Platform Red Hat OpenShift Enterprise JBoss EAP add-on Red Hat Software Collections (for RHEL Server for ARM) Red Hat Software Collections Beta (for RHEL Server for ARM) Red Hat OpenShift Enterprise JBoss FUSE add-on Red Hat Migration Toolkit Red Hat OpenShift Enterprise JBoss A-MQ add-on Red Hat JBoss Core Services from RHUI Red Hat Enterprise Linux for x86_64 Red Hat Enterprise Linux Resilient Storage for x86_64 Red Hat Enterprise Linux Resilient Storage for x86_64 - Extended Update Support dotNET on RHEL (for RHEL Server) Red Hat Enterprise Linux Scalable File System (for RHEL Server) dotNET on RHEL Beta (for RHEL Server) Red Hat Enterprise Linux Scalable File System (for RHEL Server) - Extended Update Support Red Hat Ansible Automation Platform Red Hat OpenShift Container Platform for ARM 64 Oracle Java (for RHEL Server) Red Hat Enterprise Linux for SAP Solutions for x86_64 OpenJDK Java (for Middleware) Red Hat Enterprise Linux for Real Time Red Hat AMQ Interconnect Red Hat Software Collections (for RHEL Server) Red Hat Enterprise Linux for SAP Applications for x86_64 - Extended Update Support Red Hat Openshift Application Runtimes for IBM Power LE Oracle Java (for RHEL Server) - Extended Update Support Red Hat Developer Tools (for RHEL Server for ARM) Red Hat Developer Tools Beta (for RHEL Server for ARM) Red Hat Enterprise Linux for SAP Solutions for x86_64 - Extended Update Support Red Hat S-JIS Support (for RHEL Server) - Extended Update Support Red Hat Software Collections Beta (for RHEL Server) Red Hat Enterprise Linux Fast Datapath Beta for x86_64 Red Hat Enterprise Linux Fast Datapath Red Hat Ansible Engine Red Hat Enterprise Linux Server Red Hat OpenShift Container Platform Red Hat Container Development Kit MRG Realtime Red Hat CodeReady Linux Builder for x86_64 Red Hat CodeReady Linux Builder for ARM 64 Red Hat Developer Toolset (for RHEL Server) Red Hat Enterprise Linux High Performance Networking (for RHEL Server) Red Hat Enterprise Linux High Performance Networking (for RHEL Server) - Extended Update Support Red Hat Enterprise Linux High Performance Networking (for RHEL Compute Node) Red Hat Build of Quarkus Red Hat OpenShift Application Runtimes Beta Red Hat Enterprise Linux EUS Compute Node Red Hat Enterprise Linux for x86_64 - Extended Update Support Red Hat Enterprise Linux Fast Datapath (for RHEL for ARM 64) Red Hat Openshift Application Runtimes Red Hat Enterprise Linux for IBM z Systems - Extended Update Support Red Hat Enterprise Linux for ARM 64 Red Hat Beta Red Hat EUCJP Support (for RHEL Server) - Extended Update Support JBoss Enterprise Application Platform JBoss Enterprise Web Platform Red Hat Developer Suite v.3 Red Hat Enterprise Linux for SAP Applications for Power LE - Update Services for SAP Solutions Red Hat Enterprise Linux High Availability (for IBM z Systems) - Extended Update Support Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions Red Hat Enterprise Linux for SAP Applications for x86_64 - Update Services for SAP Solutions Red Hat Enterprise Linux for SAP Applications for x86_64 Red Hat Enterprise Linux Resilient Storage for IBM z Systems - Extended Update Support Red Hat JBoss AMQ Clients Red Hat Enterprise Linux for SAP Solutions for x86_64 - Update Services for SAP Solutions Red Hat OpenShift Enterprise JBoss EAP add-on Beta Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support Red Hat JBoss Middleware Red Hat CodeReady Workspaces for OpenShift Red Hat JBoss Data Grid Red Hat JBoss Core Services Red Hat Enterprise Linux High Availability for x86_64 Red Hat Enterprise Linux High Availability for x86_64 - Extended Update Support Red Hat Enterprise Linux Load Balancer (for RHEL Server) Red Hat Enterprise Linux Load Balancer (for RHEL Server) - Extended Update Support SKU: RH00798 Contract: Account:  Serial:  Pool ID: 2c945dc486dbcc2a Provides Management: No Active: True Quantity Used: 1 Service Level: Self-Support Service Type: Status Details: Subscription is current Subscription Type: Standard Starts: 03/23/2023 Ends: 03/21/2024 System Type: Physical 
  1. 执行命令可以将当前的 RHEL 系统取关订阅。
$ subscription-manager remove --serial= 1 local certificate has been deleted. The entitlement server successfully removed these serial numbers:  

操作 Yum Repository

使用指定版本的 Repo

使用缺省的 Repo 版本

  1. 执行命令,确认当前没有指定特定版本。说明:如果没有指定版本,缺省 “$releasever” 是 “7Server”。
$ subscription-manager release --show Release not set $ subscription-manager repos --list-enabled +----------------------------------------------------------+ Available Repositories in /etc/yum.repos.d/redhat.repo +----------------------------------------------------------+ Repo ID: rhel-7-server-rpms Repo Name: Red Hat Enterprise Linux 7 Server (RPMs) Repo URL: https://cdn.redhat.com/content/dist/rhel/server/7/$releasever/$basearch/os Enabled: 1 
  1. 执行命令,根据提示确认当前的系统将升级到 RHEL 7.9(注意:正式升级前退出命令。说明:3.10.0-1160 是 RHEL 7.9 的版本号)。
$ yum update Loaded plugins: product-id, search-disabled-repos, subscription-manager rhel-7-server-rpms | 3.5 kB 00:00:00 (1/3): rhel-7-server-rpms/7Server/x86_64/group | 631 kB 00:00:03 (2/3): rhel-7-server-rpms/7Server/x86_64/updateinfo | 4.3 MB 00:00:08 (3/3): rhel-7-server-rpms/7Server/x86_64/primary_db | 96 MB 00:00:49 Resolving Dependencies --> Running transaction check ... ... Dependencies Resolved ================================================================================================================= Package Arch Version Repository Size ================================================================================================================= Installing: iwl7260-firmware noarch 25.30.13.0-80.el7_9 rhel-7-server-rpms 6.1 M replacing iwl7265-firmware.noarch 22.0.7.0-69.el7 kernel x86_64 3.10.0-1160.99.1.el7 rhel-7-server-rpms 52 M Updating: GeoIP x86_64 1.5.0-14.el7 rhel-7-server-rpms 1.5 M NetworkManager x86_64 1:1.18.8-2.el7_9 rhel-7-server-rpms 1.9 M ... ... Transaction Summary ================================================================================================================= Install 2 Packages (+12 Dependent packages) Upgrade 214 Packages Total download size: 303 M Is this ok [y/d/N]: N 

方法1:用固定配置指定使用的 Repo 版本

  1. 执行命令,查看当前 RHEL 有哪些发行版。注意1:“7Server” 将等同于最后一个小版本。
$ subscription-manager release --list +-------------------------------------------+ Available Releases +-------------------------------------------+ 7.0 7.1 7.2 7.3 7.4 7.5 7.6 7.7 7.8 7.9 7Server 

注意2:如果不执行前面的 subscription-manager attach 命令关联有效订阅,此步将没有返回结果。

  1. 执行命令,使用特定发行版。当前本地 Repo 的配置已经使用 7.7 版本了。
$ subscription-manager release --set=7.7 Release set to: 7.7 $ subscription-manager release --show Release: 7.7 $ subscription-manager repos --list-enabled +----------------------------------------------------------+ Available Repositories in /etc/yum.repos.d/redhat.repo +----------------------------------------------------------+ Repo ID: rhel-7-server-rpms Repo Name: Red Hat Enterprise Linux 7 Server (RPMs) Repo URL: https://cdn.redhat.com/content/dist/rhel/server/7/7.7/$basearch/os Enabled: 1 
  1. 为了使用新版本的 Repo,需要先清除本地已有 Repo 资源,执行完后确认 “enabled repos” 为 “0”。说明:如果命令没有指定删除的版本,将使用缺省的 7Server 版本。
$ yum clean all -v Not loading "rhnplugin" plugin, as it is disabled Loading "product-id" plugin Loading "search-disabled-repos" plugin Loading "subscription-manager" plugin Updating Subscription Management repositories. Config time: 5.335 Yum version: 3.4.3 Cleaning repos: rhel-7-server-rpms Operating on /var/cache/yum/x86_64/7Server (see CLEAN OPTIONS in yum(8) for details) Disk usage of /var/cache/yum/*/* after cleanup: 0 enabled repos 0 disabled repos 0 untracked repos 36 other data: 36 /var/cache/yum/x86_64/7Server/timedhosts 36 total 
  1. 再执行升级,确认此次操作会将系统升级到 Kernel 为 3.10.0-1062 的 RHEL 7.7 版本。
$ yum update Loaded plugins: product-id, search-disabled-repos, subscription-manager rhel-7-server-rpms | 3.5 kB 00:00:00 (1/3): rhel-7-server-rpms/x86_64/group | 767 kB 00:00:07 (2/3): rhel-7-server-rpms/x86_64/updateinfo | 3.6 MB 00:00:13 (3/3): rhel-7-server-rpms/x86_64/primary_db | 68 MB 00:12:49 Resolving Dependencies ... ... Dependencies Resolved ================================================================================================================= Package Arch Version Repository Size ================================================================================================================= Installing: kernel x86_64 3.10.0-1062.18.1.el7 rhel-7-server-rpms 50 M Updating: GeoIP x86_64 1.5.0-14.el7 rhel-7-server-rpms 1.5 M NetworkManager x86_64 1:1.18.0-5.el7_7.2 rhel-7-server-rpms 1.9 M ... ... Transaction Summary ================================================================================================================= Install 1 Package (+4 Dependent packages) Upgrade 176 Packages Total download size: 277 M Is this ok [y/d/N]: N 

方法2:用临时配置指定使用的 Repo 版本

  1. 取消版本设置。
$ subscription-manager release --unset Release preference has been unset $ subscription-manager release --show Release not set 
  1. 清除本地已有 Repo 资源。说明:如果没有指定特定次要版本,将使用指定主版本的最新次版本,即 7Server。
$ yum clean all -v Loaded plugins: product-id, search-disabled-repos, subscription-manager Cleaning repos: rhel-7-server-rpms 
  1. 清除本地已有指定版本的 Repo 资源。
$ yum clean all --releasever=7.7 --verbose Not loading "rhnplugin" plugin, as it is disabled Loading "product-id" plugin Loading "search-disabled-repos" plugin Loading "subscription-manager" plugin Updating Subscription Management repositories. Config time: 6.953 Yum version: 3.4.3 Cleaning repos: rhel-7-server-rpms Operating on /var/cache/yum/x86_64/7.7 (see CLEAN OPTIONS in yum(8) for details) Disk usage of /var/cache/yum/*/* after cleanup: 0 enabled repos 0 disabled repos 0 untracked repos ... 
  1. 执行升级命令,并在其中指定使用的版本。说明:Kernel 为 3.10.0-957 是 RHEL 7.6 版本。
$ yum update --releasever=7.6 Loaded plugins: product-id, search-disabled-repos, subscription-manager rhel-7-server-rpms | 3.4 kB 00:00:00 (1/3): rhel-7-server-rpms/7.6/x86_64/group | 773 kB 00:00:04 (2/3): rhel-7-server-rpms/7.6/x86_64/updateinfo | 3.2 MB 00:00:10 (3/3): rhel-7-server-rpms/7.6/x86_64/primary_db | 58 MB 00:02:59 Resolving Dependencies --> Running transaction check ... ... Dependencies Resolved ================================================================================================================= Package Arch Version Repository Size ================================================================================================================= Installing: kernel x86_64 3.10.0-957.27.2.el7 rhel-7-server-rpms 48 M Updating: NetworkManager x86_64 1:1.12.0-10.el7_6 rhel-7-server-rpms 1.7 M ... ... Transaction Summary ================================================================================================================= Install 1 Package Upgrade 76 Packages Total download size: 136 M Is this ok [y/d/N]: N 

启用和关闭 Repo

  1. 以下命令可以列出当前订阅包含的所有 Repo。
$ subscription-manager repos --list 
  1. 以下命令只列出当前使用的 Repo。
$ subscription-manager repos --list-enabled +----------------------------------------------------------+ Available Repositories in /etc/yum.repos.d/redhat.repo +----------------------------------------------------------+ Repo ID: rhel-7-server-rpms Repo Name: Red Hat Enterprise Linux 7 Server (RPMs) Repo URL: https://cdn.redhat.com/content/dist/rhel/server/7/$releasever/$basearch/os Enabled: 1 
  1. 执行命令启动和关闭指定 Repo。
$ subscription-manager repos --enable=rhel-ha-for-rhel-7-server-rpms $ subscription-manager repos --diseble=rhel-ha-for-rhel-7-server-rpms 

参考

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