【温馨提醒】
❉大版本的系统更新会有更新失败的风险,更新前你要考虑清楚:能否承受更新失败带来的后果?以及更新系统后虚拟机能否顺利启动?
❉生产环境用机不建议升级更新!生产环境用机不建议升级更新!生产环境用机不建议升级更新!
❉根据PVE官网的【升级说明】,在升级到PVE8.0之前,需要先更新到PVE7.4-15。如果你的PVE系统还是6的版本,那么你先去看一下博主之前写的《Proxmox VE(PVE) 6.X 升级到 7.0 手记》这篇文章,把PVE系统更新到PVE7(任意版本均可)。
❉在正式操作之前,必须把虚拟机全部关机,并取消所有虚拟机的“自动启动”设置。有重要数据的话强烈建议先备份!
【升级步骤】
1、博主这台PVE的系统是7.4-3,点PVE左边菜单,找到Shell的菜单,点击进入到命令行的状态;![图片[1]9哥博客-Proxmox VE(PVE) 7.X 升级到 8.0 教程9哥博客-9哥博客](https://wp.gxnas.com/wp-content/uploads/2023/06/1688091836-1.jpg)
2、依次输入以下命令(每次复制一行,到PVE的Shell里面粘贴,按回车执行),目的是替换源以及把PVE版本更新到7.4-15版本;
rm -rf /etc/apt/sources.list.d/pve-install-repo.list
echo "deb https://enterprise.proxmox.com/debian/pve Bullseye pve-enterprise" > /etc/apt/sources.list.d/pve-enterprise.list
wget https://mirrors.ustc.edu.cn/proxmox/debian/proxmox-release-bullseye.gpg -O /etc/apt/trusted.gpg.d/proxmox-release-bullseye.gpg
echo "deb https://mirrors.ustc.edu.cn/proxmox/debian/pve bullseye pve-no-subscription" > /etc/apt/sources.list.d/pve-no-subscription.list
echo "deb https://mirrors.ustc.edu.cn/proxmox/debian/ceph-pacific bullseye main" > /etc/apt/sources.list.d/ceph.list
sed -i.bak "s#http://download.proxmox.com/debian#https://mirrors.ustc.edu.cn/proxmox/debian#g" /usr/share/perl5/PVE/CLI/pveceph.pm
sed -i.bak "s#ftp.debian.org/debian#mirrors.aliyun.com/debian#g" /etc/apt/sources.list
sed -i "s#security.debian.org#mirrors.aliyun.com/debian-security#g" /etc/apt/sources.list
echo "deb http://download.proxmox.com/debian/pve bullseye pve-no-subscription" >> /etc/apt/sources.list
apt update && apt dist-upgrade -y
4、当命令全部运行结束后,会回到“root@pve:~#”这样的命令行状态,点PVE菜单上的重启键,重启一次;![图片[4]9哥博客-Proxmox VE(PVE) 7.X 升级到 8.0 教程9哥博客-9哥博客](https://wp.gxnas.com/wp-content/uploads/2023/06/1688091840-4.jpg)
6、重启完成再进入到Shell状态下,此时可以看到系统版本已经变成7.4-15了;![图片[6]9哥博客-Proxmox VE(PVE) 7.X 升级到 8.0 教程9哥博客-9哥博客](https://wp.gxnas.com/wp-content/uploads/2023/06/1688091842-6.jpg)
7、输入命令pve7to8回车,检查一下是否符合升级要求;
8、还好只有一个警告项,然后FAILUSER这一项的数字为0,证明可以升级;![图片[8]9哥博客-Proxmox VE(PVE) 7.X 升级到 8.0 教程9哥博客-9哥博客](https://wp.gxnas.com/wp-content/uploads/2023/06/1688091844-8.jpg)
9、复制下面三行命令到PVE的Shell里面粘贴,按回车执行;
sed -i 's/bullseye/bookworm/g' /etc/apt/sources.list
echo "deb https://enterprise.proxmox.com/debian/pve bookworm pve-enterprise" > /etc/apt/sources.list.d/pve-enterprise.list
echo "deb http://download.proxmox.com/debian/ceph-quincy bookworm no-subscription" > /etc/apt/sources.list.d/ceph.list
10、输入apt update回车;
11、如果出现“Failed to fetch ******** 401 Unauthorized”这个错误;![图片[11]9哥博客-Proxmox VE(PVE) 7.X 升级到 8.0 教程9哥博客-9哥博客](https://wp.gxnas.com/wp-content/uploads/2023/06/1688091848-11.jpg)
12、复制下面命令到PVE的Shell里面粘贴,按回车执行;
echo "#deb https://enterprise.proxmox.com/debian/pve bullseye pve-enterprise" > /etc/apt/sources.list.d/pve-enterprise.list
13、再次输入命令apt update回车,这次就不会报错了;
14、输入命令apt dist-upgrade -y回车,开始升级PVE8.0;![图片[14]9哥博客-Proxmox VE(PVE) 7.X 升级到 8.0 教程9哥博客-9哥博客](https://wp.gxnas.com/wp-content/uploads/2023/06/1688091851-14.jpg)
15、升级过程中会弹出这些界面,需要我们手动确认,无需选择,全部直接按回车就行了;![图片[15]9哥博客-Proxmox VE(PVE) 7.X 升级到 8.0 教程9哥博客-9哥博客](https://wp.gxnas.com/wp-content/uploads/2023/06/1688091852-15.jpg)
16、当命令全部运行结束后,会回到“root@pve:~#”这样的命令行状态,这样就更新成功了;![图片[22]9哥博客-Proxmox VE(PVE) 7.X 升级到 8.0 教程9哥博客-9哥博客](https://wp.gxnas.com/wp-content/uploads/2023/06/1688091860-22.jpg)
17、不需要重启,直接把电脑浏览器关掉,重新登录进入PVE,会看到版本已经变成8.0.3了;![图片[23]9哥博客-Proxmox VE(PVE) 7.X 升级到 8.0 教程9哥博客-9哥博客](https://wp.gxnas.com/wp-content/uploads/2023/06/1688091861-23.jpg)
18、在Shell状态下输入apt autoremove回车,并输入y回车,自动清理本次升级更新产生的临时文件;![图片[24]9哥博客-Proxmox VE(PVE) 7.X 升级到 8.0 教程9哥博客-9哥博客](https://wp.gxnas.com/wp-content/uploads/2023/06/1688091862-24.jpg)

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