88 lines
2.1 KiB
Bash
88 lines
2.1 KiB
Bash
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#!/bin/bash
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# logo
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echo -e "Ubuntu Overssh Reinstallation: Update grub"
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# check for root user
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if [ "$EUID" -ne 0 ]
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then echo "Please run as root"
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exit
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fi
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# default iso url
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DEFAULT_ISO_URL='http://archive.ubuntu.com/ubuntu/dists/xenial/main/installer-amd64/current/images/netboot/mini.iso'
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# check dependencies
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echo "Checking dependencies...".
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REQUIRE_COMMAND[0]='realpath'
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REQUIRE_COMMAND[1]='mkisofs'
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REQUIRE_COMMAND[2]='dirname'
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REQUIRE_COMMAND[3]='awk'
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REQUIRE_COMMAND[4]='cut'
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REQUIRE_COMMAND[5]='head'
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REQUIRE_COMMAND[6]='grep'
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REQUIRE_COMMAND[7]='apt-get'
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REQUIRE_COMMAND[8]='update-grub'
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for command in "${REQUIRE_COMMAND[@]}"
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do
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if ! type ${command} > /dev/null 2>&1; then
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echo "Please install '${command}' for continue installation"
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exit 1
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fi
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done
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echo "Done"
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SCRIPT=`realpath $0`
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PROJECTPATH=`dirname $SCRIPT`
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CONFIGFILE=$PROJECTPATH/config
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if [ ! -f $CONFIGFILE ]; then
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echo "Please create config file config"
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exit 1
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fi
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UBUNTUOVERSSHISO_FILE=$PROJECTPATH/ubuntu-overssh-reinstall.iso
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if [ ! -f $UBUNTUOVERSSHISO_FILE ]; then
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echo "Please create image first."
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exit 1
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fi
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source $CONFIGFILE
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apt-get install -y -qq grub-imageboot
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if [ ! -f /etc/default/grub ]; then
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echo "Seems be grub dosnt install or not matched version"
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exit 1
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fi
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rm /boot/images -rf
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mkdir -p /boot/images/
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cp $UBUNTUOVERSSHISO_FILE /boot/images/iso.iso
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update-grub
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BOOTABLEGRUBNAME=`cat /boot/grub/grub.cfg | grep iso | head -n 1 | cut -d \" -f2`
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if [ -z "$BOOTABLEGRUBNAME" ]; then
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echo "Seems be grub imageboot not work as expected. try manual"
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exit 1
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fi
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GRUBBACKUPFILE=$PROJECTPATH/grub.backup
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if [ ! -f $GRUBBACKUPFILE ]; then
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cp /etc/default/grub $GRUBBACKUPFILE
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fi
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sed -i "s/GRUB_DEFAULT=0/GRUB_DEFAULT='$BOOTABLEGRUBNAME'/g" /etc/default/grub
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update-grub
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echo "1. Upload 'preseed.cfg' file for $PRESEED_URL"
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echo " ==================================== "
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cat $PROJECTPATH/preseed.cfg
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echo " ==================================== "
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echo "2. Reboot current machine and wait to init to ssh installer"
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echo "3. Connect using ssh client ssh installer@$INTERFACE_IP"
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echo "4. Your password is $PASSWORD"
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