Centos配置阿里雲yum源
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進入到yum源文件存放目錄 cd /etc/yum.repos.d，執行 yum install -y wget，之后備份系統自帶的yum文件
# 執行 yum install -y wget [root@localhost yum.repos.d]# yum install -y wget 已加載插件：fastestmirror Loading mirror speeds from cached hostfile * base: mirrors.tuna.tsinghua.edu.cn * extras: ftp.sjtu.edu.cn * updates: ftp.sjtu.edu.cn 正在解決依賴關系 --> 正在檢查事務 ---> 軟件包 wget.x86_64.0.1.14-18.el7_6.1 將被 安裝 --> 解決依賴關系完成 依賴關系解決 ====================================================================================================================================== Package 架構 版本 源 大小 ====================================================================================================================================== 正在安裝: wget x86_64 1.14-18.el7_6.1 base 547 k 事務概要 ====================================================================================================================================== 安裝 1 軟件包 總下載量：547 k 安裝大小：2.0 M Downloading packages: 警告：/var/cache/yum/x86_64/7/base/packages/wget-1.14-18.el7_6.1.x86_64.rpm: 頭V3 RSA/SHA256 Signature, 密鑰 ID f4a80eb5: NOKEY wget-1.14-18.el7_6.1.x86_64.rpm 的公鑰尚未安裝 wget-1.14-18.el7_6.1.x86_64.rpm | 547 kB 00:00:00 從 file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7 檢索密鑰 導入 GPG key 0xF4A80EB5: 用戶ID : "CentOS-7 Key (CentOS 7 Official Signing Key) <security@centos.org>" 指紋 : 6341 ab27 53d7 8a78 a7c2 7bb1 24c6 a8a7 f4a8 0eb5 軟件包 : centos-release-7-4.1708.el7.centos.x86_64 (@anaconda) 來自 : /etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7 Running transaction check Running transaction test Transaction test succeeded Running transaction 正在安裝 : wget-1.14-18.el7_6.1.x86_64 1/1 驗證中 : wget-1.14-18.el7_6.1.x86_64 1/1 已安裝: wget.x86_64 0:1.14-18.el7_6.1 # 進入到yum源文件目錄並備份 [root@localhost yum.repos.d]# [root@localhost ~]# cd /etc/yum.repos.d [root@localhost yum.repos.d]# [root@localhost yum.repos.d]# [root@localhost yum.repos.d]# ls -lrt 總用量 8 -rw-r--r--. 1 root root 1919 3月 15 19:21 docker-ce.repo -rw-r--r--. 1 root root 2523 3月 16 11:10 Centos-7.repo drwxr-xr-x. 2 root root 187 3月 16 2022 bak [root@localhost yum.repos.d]# [root@localhost yum.repos.d]# mkdir bak [root@localhost yum.repos.d]# ls -lrt 總用量 28 -rw-r--r--. 1 root root 3830 8月 30 2017 CentOS-Vault.repo -rw-r--r--. 1 root root 1331 8月 30 2017 CentOS-Sources.repo -rw-r--r--. 1 root root 630 8月 30 2017 CentOS-Media.repo -rw-r--r--. 1 root root 314 8月 30 2017 CentOS-fasttrack.repo -rw-r--r--. 1 root root 649 8月 30 2017 CentOS-Debuginfo.repo -rw-r--r--. 1 root root 1309 8月 30 2017 CentOS-CR.repo -rw-r--r--. 1 root root 1664 8月 30 2017 CentOS-Base.repo drwxr-xr-x. 2 root root 6 3月 16 13:03 bak [root@localhost yum.repos.d]# [root@localhost yum.repos.d]# [root@localhost yum.repos.d]# mv CentOS-* ./bak/ [root@localhost yum.repos.d]# ls -lrt 總用量 0 drwxr-xr-x. 2 root root 187 3月 16 13:03 bak [root@localhost yum.repos.d]# -
執行 wget http://mirrors.aliyun.com/repo/Centos-7.repo 下載repo文件,
[root@localhost yum.repos.d]# wget http://mirrors.aliyun.com/repo/Centos-7.repo --2022-03-16 14:12:31-- http://mirrors.aliyun.com/repo/Centos-7.repo 正在解析主機 mirrors.aliyun.com (mirrors.aliyun.com)... 221.195.209.67, 221.204.226.116, 221.204.195.26, ... 正在連接 mirrors.aliyun.com (mirrors.aliyun.com)|221.195.209.67|:80... 已連接。 已發出 HTTP 請求，正在等待回應... 200 OK 長度：2523 (2.5K) [application/octet-stream] 正在保存至: “Centos-7.repo” 100%[============================================================================================>] 2,523 --.-K/s 用時 0s 2022-03-16 14:12:32 (170 MB/s) - 已保存 “Centos-7.repo” [2523/2523]) # ls 查看文件已下載到目錄 [root@localhost yum.repos.d]# ls -lrt 總用量 4 -rw-r--r--. 1 root root 2523 12月 26 2020 Centos-7.repo drwxr-xr-x. 2 root root 187 3月 16 13:03 bak [root@localhost yum.repos.d]# [root@localhost yum.repos.d]# -
如果提示下載失敗，直接登錄到 http://mirrors.aliyun.com/repo/ 源文件下載地址，點擊對應的版本下載即可。之后用winscp或其他工具將文件拖入到 /etc/yum.repos.d 目錄下。
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更新yum源
# yum clean all 清理緩存 [root@localhost yum.repos.d]# yum clean all 已加載插件：fastestmirror 正在清理軟件源： base extras updates Cleaning up everything Maybe you want: rm -rf /var/cache/yum, to also free up space taken by orphaned data from disabled or removed repos Cleaning up list of fastest mirrors [root@localhost yum.repos.d]# [root@localhost yum.repos.d]# # yum makecache 生成緩存 [root@localhost yum.repos.d]# yum makecache 已加載插件：fastestmirror base | 3.6 kB 00:00:00 extras | 2.9 kB 00:00:00 updates | 2.9 kB 00:00:00 base/7/x86_64/primary_db FAILED ] 0.0 B/s | 0 B --:--:-- ETA http://mirrors.cloud.aliyuncs.com/centos/7/os/x86_64/repodata/6d0c3a488c282fe537794b5946b01e28c7f44db79097bb06826e1c0c88bad5ef-primary.sqlite.bz2: [Errno 14] curl#6 - "Could not resolve host: mirrors.cloud.aliyuncs.com; Name or service not known" 正在嘗試其它鏡像。 (1/10): base/7/x86_64/group_gz | 153 kB 00:00:00 (2/10): extras/7/x86_64/filelists_db | 277 kB 00:00:01 (3/10): extras/7/x86_64/other_db | 147 kB 00:00:00 (4/10): base/7/x86_64/other_db | 2.6 MB 00:00:07 (5/10): updates/7/x86_64/filelists_db | 7.8 MB 00:00:19 base/7/x86_64/filelists_db FAILED http://mirrors.aliyuncs.com/centos/7/os/x86_64/repodata/d6d94c7d406fe7ad4902a97104b39a0d8299451832a97f31d71653ba982c955b-filelists.sqlite.bz2: [Errno 14] curl#7 - "Failed connect to mirrors.aliyuncs.com:80; Connection refused" 正在嘗試其它鏡像。 extras/7/x86_64/primary_db FAILED http://mirrors.aliyuncs.com/centos/7/extras/x86_64/repodata/6b9d4ba8d12dfc1d42c81979e0452874b9dd3240afd9060c4a14b7dbd1cd439c-primary.sqlite.bz2: [Errno 14] curl#7 - "Failed connect to mirrors.aliyuncs.com:80; Connection refused" 正在嘗試其它鏡像。 (6/10): extras/7/x86_64/primary_db | 246 kB 00:00:00 updates/7/x86_64/primary_db FAILED ] 407 kB/s | 12 MB 00:01:10 ETA http://mirrors.aliyuncs.com/centos/7/updates/x86_64/repodata/2d69d28700b725aac11caa123929a65d95c7e5d02d45445438cc7c5583aee364-primary.sqlite.bz2: [Errno 14] curl#7 - "Failed connect to mirrors.aliyuncs.com:80; Connection refused" 正在嘗試其它鏡像。 updates/7/x86_64/other_db FAILED ] 682 kB/s | 16 MB 00:00:35 ETA http://mirrors.aliyuncs.com/centos/7/updates/x86_64/repodata/a2b80243882b3efdca177a96bdb9c327e81b469c669f10d3317f1a80ac632e27-other.sqlite.bz2: [Errno 14] curl#7 - "Failed connect to mirrors.aliyuncs.com:80; Connection refused" 正在嘗試其它鏡像。 (7/10): updates/7/x86_64/other_db | 1.0 MB 00:00:02 (8/10): base/7/x86_64/filelists_db | 7.2 MB 00:00:17 base/7/x86_64/primary_db FAILED ======- ] 628 kB/s | 26 MB 00:00:21 ETA http://mirrors.aliyuncs.com/centos/7/os/x86_64/repodata/6d0c3a488c282fe537794b5946b01e28c7f44db79097bb06826e1c0c88bad5ef-primary.sqlite.bz2: [Errno 14] curl#7 - "Failed connect to mirrors.aliyuncs.com:80; Connection refused" 正在嘗試其它鏡像。 (9/10): base/7/x86_64/primary_db | 6.1 MB 00:00:15 (10/10): updates/7/x86_64/primary_db | 14 MB 00:00:37 Determining fastest mirrors * base: mirrors.aliyun.com * extras: mirrors.aliyun.com * updates: mirrors.aliyun.com 元數據緩存已建立 [root@localhost yum.repos.d]#