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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:2024-05-13來源:風信官網 點擊: 2817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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