「CentOs7 Grub2」の版間の差分
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| 1行目: | 1行目: | ||
| − | ==CentOs7 Grub2== | + | ==[[CentOs7 Grub2]]== |
[[CentOS]] | [[Linux]] | | [[CentOS]] | [[Linux]] | | ||
| 6行目: | 6行目: | ||
====起動OSの確認==== | ====起動OSの確認==== | ||
# grep "^menuentry" /boot/grub2/grub.cfg | cut -d "'" -f2 | # grep "^menuentry" /boot/grub2/grub.cfg | cut -d "'" -f2 | ||
| − | CentOS Linux (3.10.0-229.20.1.el7.x86_64) 7 (Core) | + | [[CentOS]] Linux (3.10.0-229.20.1.el7.x86_64) 7 (Core) |
| − | CentOS Linux (3.10.0-229.20.1.el7.x86_64) 7 (Core) with debugging | + | [[CentOS]] Linux (3.10.0-229.20.1.el7.x86_64) 7 (Core) with debugging |
| − | CentOS Linux (3.10.0-229.11.1.el7.x86_64) 7 (Core) | + | [[CentOS]] Linux (3.10.0-229.11.1.el7.x86_64) 7 (Core) |
| − | CentOS Linux (3.10.0-229.11.1.el7.x86_64) 7 (Core) with debugging | + | [[CentOS]] Linux (3.10.0-229.11.1.el7.x86_64) 7 (Core) with debugging |
| − | CentOS Linux 7 (Core), with Linux 3.10.0-229.el7.x86_64 | + | [[CentOS]] Linux 7 (Core), with Linux 3.10.0-229.el7.x86_64 |
| − | CentOS Linux 7 (Core), with Linux 0-rescue-4b00eec6f028470db654c2536ac2fc83 | + | [[CentOS]] Linux 7 (Core), with Linux 0-rescue-4b00eec6f028470db654c2536ac2fc83 |
| − | menuentry "Windows 10"{ | + | menuentry "[[Windows]] 10"{ |
====現在のデフォルト起動==== | ====現在のデフォルト起動==== | ||
# grub2-editenv list | # grub2-editenv list | ||
| − | saved_entry=CentOS Linux (3.10.0-229.20.1.el7.x86_64) 7 (Core) | + | saved_entry=[[CentOS]] Linux (3.10.0-229.20.1.el7.x86_64) 7 (Core) |
====変更==== | ====変更==== | ||
# grub2-set-default 6 | # grub2-set-default 6 | ||
# head -2 /boot/grub2/grubenv | # head -2 /boot/grub2/grubenv | ||
| − | # GRUB | + | # GRUB En[[vi]]ronment Block |
saved_entry=6 | saved_entry=6 | ||
サーバー再起動 | サーバー再起動 | ||
2020年2月16日 (日) 04:23時点における最新版
CentOs7 Grub2
デフォルト起動OSを変更する
起動OSの確認
# grep "^menuentry" /boot/grub2/grub.cfg | cut -d "'" -f2 CentOS Linux (3.10.0-229.20.1.el7.x86_64) 7 (Core) CentOS Linux (3.10.0-229.20.1.el7.x86_64) 7 (Core) with debugging CentOS Linux (3.10.0-229.11.1.el7.x86_64) 7 (Core) CentOS Linux (3.10.0-229.11.1.el7.x86_64) 7 (Core) with debugging CentOS Linux 7 (Core), with Linux 3.10.0-229.el7.x86_64 CentOS Linux 7 (Core), with Linux 0-rescue-4b00eec6f028470db654c2536ac2fc83 menuentry "Windows 10"{
現在のデフォルト起動
# grub2-editenv list saved_entry=CentOS Linux (3.10.0-229.20.1.el7.x86_64) 7 (Core)
変更
# grub2-set-default 6 # head -2 /boot/grub2/grubenv # GRUB Environment Block saved_entry=6
サーバー再起動
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