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          當前位置:主頁 > 技術支持 > Linux > CentOS 6.1操作系統升級至Centos 7.7.1908

          CentOS 6.1操作系統升級至Centos 7.7.1908

          時間:2024-04-13來源:風信官網 點擊: 2748次
          CentOS 6.1操作系統升級至Centos 7.7.1908操作過程記錄步驟如下:
           
          1.查看下當前的系統版本
           
          cat /etc/redhat-release
           
          CentOS release 6.10 (Final)
           
          2.配置更新源
           
          vi /etc/yum.repos.d/upgradetool.repo
           
          [upgrade]
          name=upgrade
          baseurl=http://vault.centos.org/centos/6/upg/x86_64/
          enable=1
          gpgcheck=0
           
          安裝更新助手
           
          由于centos 6.5自帶的助手之一版本較高,所以需要卸載了裝個更老的:
          yum erase openscap -y
          yum install redhat-upgrade-tool preupgrade-assistant-contents -y
           
          如果提示以下錯誤信息:
          Loaded plugins: fastestmirror, security
          Setting up Install Process
          Loading mirror speeds from cached hostfile
           * base: mirrors.aliyun.com
           * epel: my.mirrors.thegigabit.com
           * extras: mirrors.aliyun.com
           * updates: mirrors.aliyun.com
          http://vault.centos.org/centos/6/upg/x86_64/repodata/repomd.xml: [Errno 14] PYCURL ERROR 22 - "The requested URL returned error: 404 Not Found"
          Trying other mirror.
          To address this issue please refer to the below wiki article 
           
          https://wiki.centos.org/yum-errors
           
          If above article doesn't help to resolve this issue please use https://bugs.centos.org/.
           
          No package redhat-upgrade-tool available.
          No package preupgrade-assistant-contents available
           
          可以下載rmp包進行本地安裝
           
          https://buildlogs.centos.org/centos/6/upg/x86_64/Packages/preupgrade-assistant-1.0.2-33.0.3.el6.centos.x86_64.rpm
          https://buildlogs.centos.org/centos/6/upg/x86_64/Packages/preupgrade-assistant-contents-0.5.13-1.0.5.el6.centos.noarch.rpm
          https://buildlogs.centos.org/centos/6/upg/x86_64/Packages/preupgrade-assistant-ui-1.0.2-33.0.3.el6.centos.x86_64.rpm
          https://buildlogs.centos.org/centos/6/upg/x86_64/Packages/redhat-upgrade-tool-0.7.22-3.el6.centos.noarch.rpm
           
          使用yum localinstall redhat-upgrade-tool preupgrade-assistant-* -y
           
          執行工具的預升級助手查看可用內容
           
          preupg -s CentOS6_7
           
          采用本地ISO更新升級系統
           
          cd /home
          wget http://mirrors.aliyun.com/centos/7.7.1908/isos/x86_64/CentOS-7-x86_64-DVD-1908.iso
          centos-upgrade-tool-cli --iso=/home/CentOS-7-x86_64-DVD-1908.iso
          (如果有問題可以加--force參數,但生產環境不建議)
           
          設置好之后,執行重啟系統, 重啟系統會進入更新的操作
          熱門關鍵詞: CentOS 操作系統升級 Centos 7
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