当你遇到“grub2-mkconfig: command not found”的错误时,可以按照以下步骤进行排查和解决: 确认系统中是否安装了GRUB2软件包: 在大多数Linux发行版中,你可以使用包管理器来检查GRUB2是否已安装。例如,在基于Debian的系统(如Ubuntu)上,你可以使用以下命令: bash dpkg -l | grep grub2 在基于RPM的系统(如Cent...
# grub2-mkconfig [-o {file name}] If you encounter the below error while running the grub2-mkconfig: grub2-mkconfig: command not found You may install the below package: # dnf install grub2-tools-1 Rebuilding Your GRUB Configuration File Whenever you change your GRUB configuration, you nee...
/usr/sbin/grub2-probe: error: failed to get canonical path of `/dev/mapper/vg_root-lv_root'. Server fails to boot and goes in dracut shell after reboot. From rescue mode, grub2-mkconfig command executed without any error which helped the server boot up successfully. Why grub2-mkconfig ...
The file created /boot/efi/EFI/redhat/grub.cfg.new is an empty file. Raw [root@rhel8 ~]# cat /boot/efi/EFI/redhat/grub.cfg.new # # DO NOT EDIT THIS FILE # # It is automatically generated by grub2-mkconfig using templates # from /etc/grub.d and settings from /etc/default/grub ...
Why does grub2-mkconfig command not reflect configuration change in /etc/default/grub? There are multiple same parameters in /etc/default/grub. The latest parameter is only affected. Raw $ /cat etc/default/grub GRUB_TIMEOUT=5 GRUB_DEFAULT=1 GRUB_DISABLE_SUBMENU=true GRUB_TERMINAL_OUTPUT="con...
Thegrub2-mkconfigcommand leavesbtrfs,raid6_pq, andxormodules loaded. Raw xor: automatically using best checksumming function: avx : 32764.000 MB/sec raid6: sse2x1 gen() 11410 MB/s raid6: sse2x2 gen() 14363 MB/s raid6: sse2x4 gen() 16796 MB/s raid6: avx2x1 gen() 22234 MB/s rai...