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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:2024-01-17來源:風信官網 點擊: 2570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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