Adrien Reslinger
898f8a8333
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35 lines
1.8 KiB
Bash
Executable file
35 lines
1.8 KiB
Bash
Executable file
#!/usr/bin/env bash
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. /etc/os-release
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if [ -d /sys/firmware/efi -a -e /boot/efi/EFI/centos/grub.cfg ]; then
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CONFDIR=/boot/efi/EFI/centos
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elif [ -d /sys/firmware/efi -a -e /boot/efi/EFI/rocky/grub.cfg ]; then
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CONFDIR=/boot/efi/EFI/rocky
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elif [ -d /sys/firmware/efi -a -e /boot/efi/EFI/almalinux/grub.cfg ]; then
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CONFDIR=/boot/efi/EFI/almalinux
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elif [ -d /sys/firmware/efi -a -e /boot/efi/EFI/redhat/grub.cfg ]; then
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CONFDIR=/boot/efi/EFI/redhat
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else
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CONFDIR=/boot/grub2
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fi
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#grep "^menuentry" /boot/grub2/grub.cfg | cut -d "'" -f2 | grep -Ev '(with debugging$|-rescue-)' | grep ^"$NAME" | sort -n | tail -n 1
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# grep "^menuentry" /boot/grub2/grub.cfg | cut -d "'" -f2 | grep -Ev '(with debugging$|-rescue-)' | head -n1
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# grub2-set-default "CentOS Linux (4.7.2-1.el7.elrepo.x86_64) 7 (Core)"
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# Contrôle : grub2-editenv list
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KERNLIST="$(ls -1 /boot/vmlinuz-* | grep -v rescue | sed 's|/boot/vmlinuz-\([.0-9]*\)-.*|\1|')"
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LASTMAJKERNEL="$(echo $KERNLIST | sed 's/ /\n/g' | cut -d. -f1 | sort -n -u | while read i; do
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echo $KERNLIST | sed 's/ /\n/g' | grep ^$i | cut -d. -f1-2 | sort -n -u -k2 -t.
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done | while read j; do
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echo $KERNLIST | sed 's/ /\n/g' | grep ^$j | sort -n -u -k3 -t.
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done | tail -n 1)"
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KERNLIST="$(ls -1 /boot/vmlinuz-* | grep -v rescue | sed 's|/boot/vmlinuz-'${LASTMAJKERNEL}'-\([.0-9]*\).*|\1|')"
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LASTKERNEL="${LASTMAJKERNEL}-$(echo $KERNLIST | sed -e 's/ /\n/g' -e 's/.$//' | cut -d. -f1 | sort -n -u | while read i; do
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echo $KERNLIST | sed 's/ /\n/g' | grep ^$i | cut -d. -f1-2 | sort -n -u -k2 -t.
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done | while read j; do
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echo $KERNLIST | sed 's/ /\n/g' | grep ^$j | sort -n -u -k3 -t.
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done | tail -n 1)"
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grub2-set-default "$(grep "^menuentry" "${CONFDIR}"/grub.cfg | cut -d \' -f2 | grep -Ev '(with debugging$|-rescue-)' | grep ^"$NAME" | grep $LASTKERNEL | sort -n | tail -n 1)"
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grub2-mkconfig -o "${CONFDIR}"/grub.cfg
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