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1. Reboot the server pressing by Ctrl+Alt+Del

2. When the boot-loader menu appears, press the cursor keys to highlight the default boot-loader entry

3. Press e to edit the current entry.

4. Use the cursor keys to navigate to the line that starts with linux.

5. Press End to move the cursor to the end of the line.

6. Append rd.break to the end of the line.

7. Press Ctrl+x to boot using the modified configuration.

8. At the switch_root prompt

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switch_root:/# mount -o remount,rw /sysroot

switch_root:/# chroot /sysroot

sh-4.4# echo kexdrams | passwd --stdin root

Changing password for user root.

passwd: all authentication tokens updated successfully.

sh-4.4# touch /.autorelabel

sh-4.4# exit; exit

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Type exit twice to continue booting your system as usual.