Difference between revisions of "Reset Proxmox Root Password via GRUB"
(Created page with "Home > Debian > Proxmox virtual environment > Reset Proxmox Root Password via GRUB = Reset Proxmox Root Password via GRUB = == 1. Reboot the Proxmox Server == Restart the server from the terminal or via remote management. == 2. Interrupt the GRUB Bootloader == When the GRUB menu appears, quickly press <code>e</code> to edit the default boot entry. == 3. Modify the Boot Parameters == Locate the line starting with <code>linux</code> (e.g....") |
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= Reset Proxmox Root Password via GRUB = | = Reset Proxmox Root Password via GRUB = | ||
== 1. Reboot the Proxmox Server == | === 1. Reboot the Proxmox Server === | ||
Restart the server from the terminal or via remote management. | Restart the server from the terminal or via remote management. | ||
== 2. Interrupt the GRUB Bootloader == | === 2. Interrupt the GRUB Bootloader === | ||
When the GRUB menu appears, quickly press <code>e</code> to edit the default boot entry. | When the GRUB menu appears, quickly press <code>e</code> to edit the default boot entry. | ||
== 3. Modify the Boot Parameters == | === 3. Modify the Boot Parameters === | ||
Locate the line starting with <code>linux</code> (e.g., <code>linux /boot/vmlinuz...</code>). | Locate the line starting with <code>linux</code> (e.g., <code>linux /boot/vmlinuz...</code>). | ||
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</syntaxhighlight> | </syntaxhighlight> | ||
== 4. Boot with Modified Settings == | === 4. Boot with Modified Settings === | ||
Press <code>Ctrl + X</code> or <code>F10</code> to boot with the modified parameters. | Press <code>Ctrl + X</code> or <code>F10</code> to boot with the modified parameters. | ||
== 5. Remount Root Filesystem as Read/Write == | === 5. Remount Root Filesystem as Read/Write === | ||
Once you are at the shell prompt (e.g., <code>bash-5.1#</code>), run: | Once you are at the shell prompt (e.g., <code>bash-5.1#</code>), run: | ||
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</syntaxhighlight> | </syntaxhighlight> | ||
== 6. Reset the Root Password == | === 6. Reset the Root Password === | ||
Execute the following command: | Execute the following command: | ||
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Enter and confirm the new root password when prompted. | Enter and confirm the new root password when prompted. | ||
== 7. Reboot the System == | === 7. Reboot the System === | ||
Try to execute: | Try to execute: | ||
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</syntaxhighlight> | </syntaxhighlight> | ||
== 8. Login with New Password == | === 8. Login with New Password === | ||
After reboot, you should now be able to log in as <code>root</code> | After reboot, you should now be able to log in as <code>root</code> | ||
Revision as of 10:47, 5 June 2025
Home > Debian > Proxmox virtual environment > Reset Proxmox Root Password via GRUB
Reset Proxmox Root Password via GRUB
1. Reboot the Proxmox Server
Restart the server from the terminal or via remote management.
2. Interrupt the GRUB Bootloader
When the GRUB menu appears, quickly press e to edit the default boot entry.
3. Modify the Boot Parameters
Locate the line starting with linux (e.g., linux /boot/vmlinuz...).
At the end of this line, append:
init=/bin/bash
Example full line (for reference):
linux /boot/vmlinuz-5.x... root=ZFS=rpool/ROOT/pve-1 ro quiet splash init=/bin/bash
4. Boot with Modified Settings
Press Ctrl + X or F10 to boot with the modified parameters.
5. Remount Root Filesystem as Read/Write
Once you are at the shell prompt (e.g., bash-5.1#), run:
mount -o remount,rw /
6. Reset the Root Password
Execute the following command:
passwd
Enter and confirm the new root password when prompted.
7. Reboot the System
Try to execute:
exec /sbin/init
If that does not work, force reboot using:
reboot -f
8. Login with New Password
After reboot, you should now be able to log in as root
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