MERUBAH BOOT GRUB LOADER
Biasanya terjadi setelah update OS,
CARA AMAN :
MELIHAT KERNEL YANG SEDANG BERJALAN / SETELAH REBOOT
uname -r
Cek default aktif:
sudo grubby --default-kernel
/boot/vmlinuz-6.12.0-107.59.3.3.el9uek.x86_64
MELIHAT DAFTAR KERNEL
sudo grubby --info=ALL | grep -E "index=|kernel="
Contoh Output daftar kernel
index=0
kernel="/boot/vmlinuz-6.12.0-107.59.3.3.el9uek.x86_64"
args="ro crashkernel=1G-64G:448M,64G-:512M resume=UUID=97b834c2-62b8-4896-9a85-e2c869e41ddf rhgb quiet"
index=1
kernel="/boot/vmlinuz-6.12.0-105.51.5.el9uek.x86_64"
args="ro crashkernel=1G-64G:448M,64G-:512M resume=UUID=97b834c2-62b8-4896-9a85-e2c869e41ddf rhgb quiet $tuned_params"
index=2
kernel="/boot/vmlinuz-6.12.0-1.23.3.2.el9uek.x86_64"
args="ro crashkernel=1G-64G:448M,64G-:512M resume=UUID=97b834c2-62b8-4896-9a85-e2c869e41ddf rhgb quiet numa=off transparent_hugepage=never $tuned_params"
index=3
kernel="/boot/vmlinuz-5.14.0-611.26.1.el9_7.x86_64"
args="ro crashkernel=1G-64G:448M,64G-:512M resume=UUID=97b834c2-62b8-4896-9a85-e2c869e41ddf rhgb quiet $tuned_params"
index=4
kernel="/boot/vmlinuz-5.14.0-570.62.1.0.1.el9_6.x86_64"
args="ro crashkernel=1G-64G:448M,64G-:512M resume=UUID=97b834c2-62b8-4896-9a85-e2c869e41ddf rhgb quiet $tuned_params"
index=5
kernel="/boot/vmlinuz-5.14.0-570.12.1.0.1.el9_6.x86_64"
args="ro crashkernel=1G-64G:448M,64G-:512M resume=UUID=97b834c2-62b8-4896-9a85-e2c869e41ddf rhgb quiet numa=off transparent_hugepage=never $tuned_params"
index=6
kernel="/boot/vmlinuz-0-rescue-5bf4dc711f4e4b7bae8848890c281122"
args="ro crashkernel=1G-64G:448M,64G-:512M resume=UUID=97b834c2-62b8-4896-9a85-e2c869e41ddf rhgb quiet numa=off transparent_hugepage=never"
MERUBAH DEFAULT KE 4
sudo grubby --set-default-index=4
The default is /boot/loader/entries/5bf4dc711f4e4b7bae8848890c281122-5.14.0-611.26.1.el9_7.x86_64.conf with index 4 and kernel /boot/vmlinuz-5.14.0-570.62.1.0.1.el9_6.x86_64
CEK DEFAULT KERNEL YG AKTIF
sudo grubby --default-kernel
/boot/vmlinuz-5.14.0-570.62.1.0.1.el9_6.x86_64