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| 코드 블럭 | ||||||||
|---|---|---|---|---|---|---|---|---|
| ||||||||
grep ^menuentry /boot/grub2/grub.cfg | cut -d "'" -f2 | awk '{print i++ " : " $0}'
echo --
grub2-editenv list
echo --
echo How to change kernel on next boot
echo "grub2-set-default <number>"
echo "ex) grub2-set-default 0; reboot;" |
| 코드 블럭 | ||||
|---|---|---|---|---|
| ||||
# ./check-boot-order.sh 0 : CentOS Linux (5.7.0-1.el7.elrepo.x86_64) 7 (Core) 1 : CentOS Linux (4.20.13-1.el7.elrepo.x86_64) 7 (Core) 2 : CentOS Linux (3.10.0-1127.el7.x86_64) 7 (Core) 3 : CentOS Linux (0-rescue-8e8df52045d147c88c1e7e75e5351f0f) 7 (Core) -- saved_entry=CentOS Linux (3.10.0-1127.el7.x86_64) 7 (Core) |
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elrepo 미러 중에서 4.x 대의 커널 rpm을 보유한 곳 : http://mirror.rc.usf.edu/compute_lock/elrepo/kernel/el7/x86_64/RPMS/
https://www.linuxsecrets.com/2780-grub2-change-boot-order-from-command-line