从现有 Linux 系统上安装 Archlinux[云环境无 VNC] - V2EX
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klh
V2EX    Linux

从现有 Linux 系统上安装 Archlinux[云环境无 VNC]

  •  
  •   klh
    hkwk Jul 7, 2020 3998 views
    This topic created in 2134 days ago, the information mentioned may be changed or developed.

    以 Oracle Cloud 环境为例,从现有 Linux 系统上安装 Archlinux [理论上可以无 VNC 实现]

    以 Oracle Cloud 环境为例,启用一个 Oracle Linux 7.8 的实例,opc 登陆系统,sudo -i切换为 root 用户。继续后续操作:

    原系统

    [root@jpt2 tmp]# lsblk NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT sda 8:0 0 46.6G 0 disk ├─sda2 8:2 0 8G 0 part [SWAP] ├─sda3 8:3 0 38.4G 0 part / └─sda1 8:1 0 200M 0 part /boot/efi cd /tmp wget https://mirrors.edge.kernel.org/archlinux/iso/latest/archlinux-bootstrap-2020.07.01-x86_64.tar.gz #下载最新 archlinux-bootstrap 压缩包 tar -xf archlinux-bootstrap-*.tar.gz mount --bind /tmp/root.x86_64 /tmp/root.x86_64 # vim /tmp/root.x86_64/etc/pacman.d/mirrorlist # /tmp/root.x86_64/bin/arch-chroot /tmp/root.x86_64/ #第一层 chroot 命令 

    第一层 Chroot

    #第一层 Chroot export PS1='root@arch-chroo-1 #' pacman-key --init pacman-key --populate archlinux pacman -Syy mount /dev/sda3 /mnt mount /dev/sda1 /mnt/boot/efi root@arch-chroot-1 #lsblk NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT sda 8:0 0 46.6G 0 disk |-sda1 8:1 0 200M 0 part /mnt/boot/efi |-sda2 8:2 0 8G 0 part [SWAP] `-sda3 8:3 0 38.4G 0 part /mnt cd /mnt #!!!!!除了 boot 、tmp 、dev 、proc 、run 、sys 几个目录外的其他所有文件!!!!! root@arch-chroot-1 #ls bin boot dev etc home lib lib64 media mnt opt proc root run sbin srv sys tmp usr var root@arch-chroot-1 #rm -rf bin etc home lib lib64 opt root sbin srv usr var newroot=/mnt mkdir -m 0755 -p "$newroot"/var/{cache/pacman/pkg,lib/pacman,log} "$newroot"/{dev,run,etc} mkdir -m 1777 -p "$newroot"/tmp mkdir -m 0555 -p "$newroot"/{sys,proc} mount --bind "$newroot" "$newroot" mount -t proc /proc "$newroot/proc" mount --rbind /sys "$newroot/sys" mount --rbind /run "$newroot/run" mount --rbind /dev "$newroot/dev" pacman -r "$newroot" --cachedir="$newroot/var/cache/pacman/pkg" -Sy base linux linux-firmware openssh xfsprogs sudo vi vim cp -a /etc/pacman.d/gnupg "$newroot/etc/pacman.d/" cp -a /etc/pacman.d/mirrorlist "$newroot/etc/pacman.d/" genfstab -U /mnt >> /mnt/etc/fstab chroot "$newroot" 

    第二层 Chroot #以快速配置为目标,不做其它额外配置

    #第二层 Chroot export PS1='root@arch-chroot-2 #' #检查一下 /etc/fstab,看看 uuid,卷之类的有没有错误,我这边就重复生成了一个根目录的配置,要删除 mount /dev/sda1 /boot/efi vim /etc/locale.gen #添加 en_US.UTF-8 UTF-8 locale-gen #新建 systemd 网络配置 vim /etc/systemd/network/20-wired.network root@arch-chroot-2 #cat /etc/systemd/network/20-wired.network [Match] Name=ens3 [Network] DHCP=ipv4 #配置 root 密码 passwd #允许 root 远程 ssh 登陆 vim /etc/ssh/sshd_config #添加 PermitRootLogin yes #添加 PermitRootLogin yes #启用 DHCP 网络和 sshd systemctl enable systemd-networkd systemctl enable sshd #以下引导内容视个人情况,理论上可以达到无 VNC 环境的覆盖安装原有的 Linux 系统 #编辑原来的 grub 配置增加 archlinux 启动项 grub-mkconfig -o /boot/efi/EFI/redhat/grub.cfg 
    #我这边还要手动修改一下生成的 grub 配置文件 linux /vmlinuz-linux 改成 linuxefi /vmlinuz-linux initrd /initramfs-linux 改成 initrdefi /initramfs-linux 

    接下来就可以爽快地玩 Arch 了

    [root@archlinux ~]# neofetch -` root@archlinux .o+` -------------- `ooo/ OS: Arch Linux x86_64 `+oooo: Host: KVM/QEMU (Standard PC (i440FX + PIIX, 1996) pc-i440fx-2.9) `+oooooo: Kernel: 5.7.7-arch1-1 -+oooooo+: Uptime: 6 mins `/:-:++oooo+: Packages: 129 (pacman) `/++++/+++++++: Shell: bash 5.0.17 `/++++++++++++++: Resolution: 1024x768 `/+++ooooooooooooo/` Terminal: /dev/pts/0 ./ooosssso++osssssso+` CPU: AMD EPYC 7551 (2) @ 1.996GHz .oossssso-````/ossssss+` GPU: 00:02.0 Vendor 1234 Device 1111 -osssssso. :ssssssso. Memory: 63MiB / 976MiB :osssssss/ osssso+++. /ossssssss/ +ssssooo/- `/ossssso+/:- -:/+osssso+- `+sso+:-` `.-/+oso: `++:. `-/+/ .` `/ [root@archlinux ~]# 

    refer: https://www.vnf.cc/2020/07/install-archlinux-from-linux/

    3 replies    2023-02-13 15:18:36 +08:00
    klh
        1
    klh  
    OP
       Jul 8, 2020
    试了下 efi 的 ubuntu 镜像的话最后直接 grub-mkconfig -o /boot/grub/grub.cfg 覆盖掉原来的配置文件即可
    blankmiss
        2
    blankmiss  
       Feb 13, 2023
    这样做是不是太麻烦了 我自己想用 netboot 去实现但是失败了 在 chroot 里根据 arch guide 安装完以后 开机 systemboot 就报错 找不到 driver
    klh
        3
    klh  
    OP
       Feb 13, 2023
    @blankmiss 复杂倒是不算复杂,不过年代有点久远不保证方法现在还能用了
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