說明：本方案為紅帽官方鏡像源同步方案，方案中以紅帽7版本為案例（附帶6跟8版本的方法以及腳本），每個rpms大概需要60G左右空間。其中同步的賬號為紅帽開發者賬號，不涉及商業利益。

一：同步環境準備

1：redhat操作系統安裝（6，7，8）

?????? 本文不具體贅述redhat系統安裝方式，安裝前規劃好各級目錄，同步所需空間以及帶寬需求即可。

2：注冊到紅帽訂閱系統（subscription-manager）

1）：subscription-manager具體用法

2）：注冊綁定紅帽賬號：subscription-manager register

?????? 執行subscription-manager register會提示輸入賬號密碼（賬號密碼不在此處提供），輸入賬號密碼后系統提示綁定成功。

3）列出系統所有可用的訂閱，并記錄你在系統激活的訂閱池Id。

執行subscription-manager list --available –all，列出系統所有可用的訂閱，并記錄訂閱池ID。

4）：使用訂閱池id激活訂閱。

???? 執行subscription-manager attach --pool=Pool ID

5）：關閉當前系統所有倉庫

?????? 執行：subscription-manager repos --disable="*"

6）：僅打開rhel-7-server-rpms倉庫

???????? 執行subscription-manager repos --enable=rhel-7-server-rpms

7）：列出當前系統開啟的倉庫。

???????????? 執行：yum repolist，如果需要列出所有倉庫包括被關閉的則執行yum repolist all。

8）：測試下載軟件包

?????? 執行yum install XXX

到這里同步環境已經準備好, 以上對repo倉庫的操作為示例，只針對當前服務器有影響，后續同步軟件包的過程，不會檢查repo倉庫是否關閉/開啟，只要對應的配置(/etc/yum.repos.d/)存在，即可同步。

二：軟件倉庫同步

1：安裝reporsync命令

?????? 執行：yum install yum-utils

RHEL 6/7 版本需要的reposync命令需要單獨安裝rpm包:?yum-utils?RHEL 8 版本則是集成在dnf命令中

2：確認需要同步的各個rpms

本文以以下常見的幾個倉庫為例。

rhel-7-server-rpms

rhel-7-server-optional-rpms

rhel-7-server-extras-rpms

rhel-7-server-supplementary-rpms

rhel-ha-for-rhel-7-server-rpms

rhel-rs-for-rhel-7-server-rpms

rhel-7-server-debug-rpms

rhel-7-server-optional-debug-rpms

rhel-7-server-extras-debug-rpms

rhel-7-server-supplementary-debug-rpms

rhel-7-server-ansible-2-rpms

rhel-7-server-ansible-2-debug-rpms

rhel-ha-for-rhel-7-server-debug-rpms

rhel-rs-for-rhel-7-server-debug-rpms

3：編寫同步所需腳本

此處提供6，7，8三個系統版本的同步腳本

#!/bin/bashdownload_path="/repos"reposync --plugins --newest-only --delete --download_path=$download_path --repoid=rhel-6-server-rpms reposync --plugins --newest-only --delete --download_path=$download_path --repoid=rhel-6-server-optional-rpms reposync --plugins --newest-only --delete --download_path=$download_path --repoid=rhel-6-server-extras-rpms reposync --plugins --newest-only --delete --download_path=$download_path --repoid=rhel-6-server-supplementary-rpms reposync --plugins --newest-only --delete --download_path=$download_path --repoid=rhel-ha-for-rhel-6-server-rpms reposync --plugins --newest-only --delete --download_path=$download_path --repoid=rhel-rs-for-rhel-6-server-rpms reposync --plugins --newest-only --delete --download_path=$download_path --repoid=rhel-6-server-debug-rpms reposync --plugins --newest-only --delete --download_path=$download_path --repoid=rhel-6-server-optional-debug-rpms reposync --plugins --newest-only --delete --download_path=$download_path --repoid=rhel-6-server-extras-debuginfo reposync --plugins --newest-only --delete --download_path=$download_path --repoid=rhel-6-server-supplementary-debuginfo reposync --plugins --newest-only --delete --download_path=$download_path --repoid=rhel-ha-for-rhel-6-server-debug-rpms reposync --plugins --newest-only --delete --download_path=$download_path --repoid=rhel-rs-for-rhel-6-server-debug-rpms #!/bin/bash#定義下載回來的包存放的目錄 download_path="/repos"cat << EOF > /etc/yum.repos.d/epel.repo [epel] name=Extra Packages for Enterprise Linux 7 - \$basearch baseurl=http://mirrors.aliyun.com/epel/7/\$basearch failovermethod=priority enabled=1 gpgcheck=0 EOFreposync --plugins --newest-only --delete --download_path=$download_path --repoid=rhel-7-server-rpms reposync --plugins --newest-only --delete --download_path=$download_path --repoid=rhel-7-server-optional-rpms reposync --plugins --newest-only --delete --download_path=$download_path --repoid=rhel-7-server-extras-rpms reposync --plugins --newest-only --delete --download_path=$download_path --repoid=rhel-7-server-supplementary-rpms reposync --plugins --newest-only --delete --download_path=$download_path --repoid=rhel-ha-for-rhel-7-server-rpms reposync --plugins --newest-only --delete --download_path=$download_path --repoid=rhel-rs-for-rhel-7-server-rpms reposync --plugins --newest-only --delete --download_path=$download_path --repoid=epel reposync --plugins --newest-only --delete --download_path=$download_path --repoid=rhel-7-server-debug-rpms reposync --plugins --newest-only --delete --download_path=$download_path --repoid=rhel-7-server-optional-debug-rpms reposync --plugins --newest-only --delete --download_path=$download_path --repoid=rhel-7-server-extras-debug-rpms reposync --plugins --newest-only --delete --download_path=$download_path --repoid=rhel-7-server-supplementary-debug-rpms reposync --plugins --newest-only --delete --download_path=$download_path --repoid=rhel-7-server-ansible-2-rpms reposync --plugins --newest-only --delete --download_path=$download_path --repoid=rhel-7-server-ansible-2-debug-rpms reposync --plugins --newest-only --delete --download_path=$download_path --repoid=rhel-ha-for-rhel-7-server-debug-rpms reposync --plugins --newest-only --delete --download_path=$download_path --repoid=rhel-rs-for-rhel-7-server-debug-rpms#--plugins 啟用yum插件支持 #--newest-only 每次回購僅下載最新的軟件包。 #--download_path 軟件包存放地址 #--repoid 需要下載的倉庫ID #!/bin/bashdownload_path="/repos"cat << EOF > /etc/yum.repos.d/epel.repo [epel] name=Extra Packages for Enterprise Linux \$releasever - \$basearch baseurl=https://mirrors.aliyun.com/epel/\$releasever/Everything/\$basearch enabled=1 gpgcheck=0 [epel-modular] name=Extra Packages for Enterprise Linux Modular \$releasever - \$basearch baseurl=https://mirrors.aliyun.com/epel/\$releasever/Modular/\$basearch enabled=1 gpgcheck=0 EOFdnf reposync --newest-only --delete --download-path=$download_path --download-metadata --repoid=rhel-8-for-x86_64-appstream-rpms dnf reposync --newest-only --delete --download-path=$download_path --download-metadata --repoid=rhel-8-for-x86_64-baseos-rpms dnf reposync --newest-only --delete --download-path=$download_path --download-metadata --repoid=rhel-8-for-x86_64-highavailability-rpms dnf reposync --newest-only --delete --download-path=$download_path --download-metadata --repoid=rhel-8-for-x86_64-resilientstorage-rpms dnf reposync --newest-only --delete --download-path=$download_path --download-metadata --repoid=rhel-8-for-x86_64-appstream-debug-rpms dnf reposync --newest-only --delete --download-path=$download_path --download-metadata --repoid=rhel-8-for-x86_64-baseos-debug-rpms dnf reposync --newest-only --delete --download-path=$download_path --download-metadata --repoid=epel dnf reposync --newest-only --delete --download-path=$download_path --download-metadata --repoid=epel-modular dnf reposync --newest-only --delete --download-path=$download_path --download-metadata --repoid=codeready-builder-for-rhel-8-x86_64-rpms dnf reposync --newest-only --delete --download-path=$download_path --download-metadata --repoid=ansible-2-for-rhel-8-x86_64-rpms dnf reposync --newest-only --delete --download-path=$download_path --download-metadata --repoid=ansible-2-for-rhel-8-x86_64-debug-rpms

4：執行腳本同步

?????? 1）：執行sh 7_repo_update.sh

轉存失敗重新上傳取消

2）查看發現包正在陸續下載回來

轉存失敗重新上傳取消

至此紅帽倉庫開始同步，等待同步完成即可。以上提供的腳本可加入定時任務定時增量同步。

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