如何释放/ boot中的更多空间？

#1 楼

sudo apt-get purge linux-image-{3.0.0-12,2.6.3{1-21,2-25,8-{1[012],8}}}

sudo apt-get purge linux-image-3.0.0-12 linux-image-2.6.31-21 linux-image-2.6.32-25 linux-image-2.6.38-10 linux-image-2.6.38-11 linux-image-2.6.38-12 linux-image-2.6.38-8

dpkg -l linux-image-\* | grep ^ii

kernelver=$(uname -r | sed -r 's/-[a-z]+//')
dpkg -l linux-{image,headers}-"[0-9]*" | awk '/ii/{print }' | grep -ve $kernelver

sudo apt-get purge $(dpkg -l linux-{image,headers}-"[0-9]*" | awk '/ii/{print }' | grep -ve "$(uname -r | sed -r 's/-[a-z]+//')")

#2 楼

uname -r

dpkg -l linux-{image,headers}-"[0-9]*" | awk '/^ii/{ print }' | grep -v -e `uname -r | cut -f1,2 -d"-"` | grep -e '[0-9]'

sudo apt-get -y purge

dpkg -l linux-{image,headers}-"[0-9]*" | awk '/^ii/{ print }' | grep -v -e `uname -r | cut -f1,2 -d"-"` | grep -e '[0-9]' | xargs sudo apt-get -y purge

#3 楼

sudo apt-get autoremove

#4 楼

sudo apt-get install synaptic

#5 楼

dpkg -l 'linux-*' | sed '/^ii/!d;/'"$(uname -r | sed "s/\(.*\)-\([^0-9]\+\)//")"'/d;s/^[^ ]* [^ ]* \([^ ]*\).*//;/[0-9]/!d' | xargs sudo apt-get -y purge

#6 楼

sudo add-apt-repository ppa:tualatrix/ppa
sudo apt-get update
sudo apt-get install ubuntu-tweak

#7 楼

#8 楼

sudo -s
umount /boot
mount /dev/sda2 /mnt
cp -a /mnt/* /boot/
umount /mnt
gedit /etc/fstab
grub-install /dev/sda

#9 楼

#10 楼

dpkg --list 'linux-image*'

uname -r

dpkg -l linux-{image,headers}-"[0-9]*" | awk '/^ii/{ print }' | grep -v -e `uname -r | cut -f1,2 -d"-"` | grep -e '[0-9]'

dpkg -l linux-{image,headers}-"[0-9]*" | awk '/^ii/{ print }' | grep -v -e `uname -r | cut -f1,2 -d"-"` | grep -e '[0-9]' | xargs sudo apt-get -y purge

sudo apt-get autoremove

ls -lh /boot/*-3.13.0-119*;

rm /boot/*-3.13.0-119*; 

sudo dpkg --purge linux-image-X.X.X-XXX-generic linux-image-extra-X.X.X-XXX-generic linux-signed-image-X.X.X-XXX-generic
sudo dpkg --purge linux-image-Y.Y.Y-YYY-generic linux-image-extra-Y.Y.Y-YYY-generic linux-signed-image-Y.Y.Y-YYY-generic

sudo apt-get -f install

dpkg -l linux-{image,headers}-"[0-9]*" | awk '/^ii/{ print }' | grep -v -e `uname -r | cut -f1,2 -d"-"` | grep -e '[0-9]' | xargs sudo apt-get -y purge

#11 楼

#12 楼

aptitude search ~ilinux-image

sudo apt-get autoremove linux-image-3.2.0-23-generic

uname -r

#13 楼

sudo gedit /etc/initramfs-tools/update-initramfs.conf

sudo dpkg --configure -a

#14 楼

#15 楼

git clone https://github.com/erichs/bootnukem.git
cd bootnukem
sudo ./install.sh

sudo bootnukem

#16 楼

#17 楼

#!/bin/bash

endCol='\e[0m'
bold_red='\e[1;31m'
bold_green='\e[1;32m'
bold_yellow='\e[1;33m'

title_color='\e[0;30;47m'

function show_kernel_info {
clear
current_kernel=$(uname -r)
echo "Current ACTIVE kernel is:"
echo -e "  "$bold_yellow$current_kernel$endCol
echo "This kernel will be TOTALLY EXCLUDED from all actions in this script."
echo "Also, one fallback non-active kernel will be always left untouched."
echo ""
echo "These are the non-active kernels stored in /boot:"
count_of_old_kernels_in_boot=$(ls -o /boot/initrd* | grep -c -v "$current_kernel")
if [ $count_of_old_kernels_in_boot = 0 ]; then
  echo " * No non-active kernels found! *"
else
  ls -o /boot/initrd* | grep -v "$current_kernel"
fi
echo ""
list_of_old_kernels=$(dpkg --list | grep linux-image | awk -F' ' '{ print  }' | grep -v "$current_kernel" | grep -v "linux-image-generic")
current_old_kernel=$(dpkg --list | grep linux-image | awk -F' ' '{ print  }' | grep -v "$current_kernel" | grep -v "linux-image-generic" | head -n 1)
count_of_old_kernels_installed=$(dpkg --list | grep linux-image | awk -F' ' '{ print  }' | grep -v "$current_kernel" | grep -c -v "linux-image-generic")
echo "Listing of all unused kernels still installed in the system (these may not exist in /boot):"
if [ $count_of_old_kernels_installed = 0 ]; then
  echo " * No unused kernel installs found! *"
else
  dpkg --list | grep linux-image | awk -F' ' '{ print  }' | grep -v "$current_kernel" | grep -v "linux-image-generic"
fi
echo ""
}

function exit_script {
free_space_after=$(df -BM /boot | tail -n 1 | awk -F' ' '{ print  }' | tr -d M)
let freed_space=$free_space_after-$free_space_before
echo ""
echo "Results (in MB)"
echo "---------------"
echo "Free space in /boot before script was run: "$free_space_before
echo "Free space now: "$free_space_after
echo ""
echo "Amount of space freed up = "$freed_space
echo ""
echo "Press any key to exit."
read -s -n 1
echo ""
exit
}

# Main code
echo ""
echo -e $title_color" --------------------------- "$endCol
echo -e $title_color" -   Kernel Cleanup v1.0   - "$endCol
echo -e $title_color" --------------------------- "$endCol
echo ""
echo "Maximise this window for readability."
echo "Press any key to continue."
read -s -n 1
echo ""
echo "This script will remove old unused kernels, but it will prompt you before removing each one."
echo "It will never remove the current running kernel, and will also leave one fallback kernel."
echo "It can also remove source files from /usr/src for each kernel removed."
echo "This is normally safe to do and will free up lots more space."
echo ""
echo "Do you want that done as well? (y/n, enter=yes)"
valid_input=0
while [ "$valid_input" = "0" ]; do
  read -s -n 1 YesNo_input
  if [ "$YesNo_input" = "" ]; then
    YesNo_input="y"
  fi
  case $YesNo_input
  in
    y)
    RemoveSource="y"
    valid_input=1
    ;;

    Y)
    RemoveSource="y"
    valid_input=1
    ;;

    n)
    RemoveSource="n"
    valid_input=1
    ;;

    N)
    RemoveSource="N"
    valid_input=1
    ;;
  esac
done

free_space_before=$(df -h /boot | tail -n 1 | awk -F' ' '{ print  }' | tr -d M)
show_kernel_info
while [ $count_of_old_kernels_in_boot -gt 1 ]; do
  # failsafe check if somehow the current kernel is about to be removed!
  if [ "$current_old_kernel" = "$current_kernel" ]; then
    echo -e $bold_red"ERROR!"$endCol" Somehow the current kernel has crept into the removal process!"
    echo "I refuse to do that! Aborting script."
    exit_script
  fi
  # failsafe check if somehow a linux-image-generic entry is about to be removed
  if [ "$current_old_kernel" = "linux-image-generic" ]; then
    echo -e $bold_red"ERROR!"$endCol" Somehow one of the linux-image-generic entries has crept into the removal process!"
    echo "I refuse to do that! Aborting script."
    exit_script
  fi
  echo "Command about to be executed is:"
  echo "  $ sudo apt-get purge \"$current_old_kernel\""
  check_in_boot=$(echo $current_old_kernel | sed 's/linux-image/initrd.img/g')
  if [ -e /boot/$check_in_boot ]; then
    echo -e $bold_yellow"Note:"$endCol" This kernel exists in /boot but it NON-active, so it's OK to remove."
  else
    echo -e $bold_green"Totally safe to remove:"$endCol" This kernel does NOT exist in /boot."
  fi
  echo ""
  echo "Are you sure you want to remove this kernel?"
  echo "(*upper case* Y=yes / any other key will exit the script)"
  read -s -n 1 yes_no
  echo ""
  # Only entering a single upper case Y will work!
  if [ "$yes_no" != "Y" ]; then
    echo "Aborting script."
    exit_script
  fi
  echo "Removing kernel "$current_old_kernel"..."
  sleep 1
  sudo apt-get -y purge $current_old_kernel
  if [ "$RemoveSource" = "y" ]; then
    current_old_source=$(echo $current_old_kernel | sed 's/linux-image/linux-headers/g')
    current_old_source=$(echo $current_old_source | sed 's/-generic//g')
    current_old_source=$(echo $current_old_source | sed 's/-pae//g')
    sudo apt-get -y purge $current_old_source
  fi
  show_kernel_info
done

if [ $count_of_old_kernels_in_boot = 0 ]; then
  echo -e $bold_red"There are no NON-active kernels to remove!"$endCol
else
  echo -e $bold_red"There is only one NON-active kernel left in /boot!"$endCol
  echo "This script will not remove the last non-active kernel so that you have at least one backup kernel."
fi
echo "Aborting script."
exit_script

#18 楼

#19 楼

#20 楼

#!/bin/sh
if test $(id -u) != 0; then
 echo Error: You must be root to run this script!
 exit 1
fi
apt purge $( dpkg --list | grep -P -o "linux-image-\d\S+" | grep -v $(uname -r | grep -P -o ".+\d") )
update-grub

#21 楼

#22 楼

sudo linux-purge --clear-boot --keep=1 --optimize

sudo linux-purge --fix

#23 楼