حذف کرنل‌های قدیمی بدون استفاده در اوبونتو 18.04

1sudo dpkg --list | egrep -i --color 'linux-image|linux-headers'

1sudo dpkg --list | egrep -i --color 'linux-image|linux-headers' | wc -l

1// Output: 57

1df -H

1sudo apt --purge autoremove2// OR3sudo apt-get --purge autoremove

1v="$(uname -r | awk -F '-virtual' '{ print $1}')"2echo "$v"

14.15.0-65-generic

1i="linux-headers-virtual|linux-image-virtual|linux-headers-generic-hwe-|linux- 2image-generic-hwe-|linux-headers-${v}|linux-image-$(uname -r)|linux-image- 3generic|linux-headers-generic"4echo "$i"

1linux-headers-virtual|linux-image-virtual|linux-headers-generic-hwe-|linux-image-generic-hwe-|linux- 2headers-4.15.0-65-generic|linux-image-4.15.0-65-generic|linux-image-generic|linux-headers-generic

1dpkg --list | egrep -i 'linux-image|linux-headers' | awk '/ii/{ print $2}' | egrep -v "$i"

1linux-headers-4.15.0-452linux-headers-4.15.0-45-generic3linux-headers-4.15.0-644linux-headers-4.15.0-64-generic5linux-headers-4.15.0-656linux-headers-4.4.0-1657linux-headers-4.4.0-165-generic8linux-image-4.10.0-27-generic9linux-image-4.10.0-33-generic10linux-image-4.10.0-35-generic11linux-image-4.10.0-37-generic12linux-image-4.10.0-38-generic13linux-image-4.10.0-40-generic14linux-image-4.10.0-42-generic15linux-image-4.13.0-26-generic16linux-image-4.13.0-31-generic17linux-image-4.13.0-36-generic18linux-image-4.13.0-37-generic19linux-image-4.13.0-38-generic20linux-image-4.13.0-39-generic21linux-image-4.13.0-41-generic22linux-image-4.13.0-43-generic23linux-image-4.13.0-45-generic24linux-image-4.15.0-30-generic25linux-image-4.15.0-32-generic26linux-image-4.15.0-33-generic27linux-image-4.15.0-34-generic28linux-image-4.15.0-36-generic29linux-image-4.15.0-38-generic30linux-image-4.15.0-39-generic31linux-image-4.15.0-42-generic32linux-image-4.15.0-43-generic33linux-image-4.15.0-45-generic34linux-image-4.15.0-64-generic35linux-image-4.4.0-165-generic

1$ sudo -i2# apt-get --purge remove $(dpkg --list | egrep -i 'linux-image|linux-headers' | awk '/ii/{ print $2}' | egrep -v "$i")

1df -H

1Filesystem      Size  Used Avail Use% Mounted on2udev            1.1G     0  1.1G   0% /dev3tmpfs           210M  6.0M  204M   3% /run4/dev/vda1        42G  6.7G   35G  17% /5tmpfs           1.1G     0  1.1G   0% /dev/shm6tmpfs           5.3M     0  5.3M   0% /run/lock7tmpfs           1.1G     0  1.1G   0% /sys/fs/cgroup8tmpfs           103k     0  103k   0% /var/lib/lxd/shmounts9tmpfs           103k     0  103k   0% /var/lib/lxd/devlxd10tmpfs           210M     0  210M   0% /run/user/0