Home / ubuntu / Questions / 660389
In Process
Kim Stacks
Asked: 2015-08-12 17:37:22 +0800 CST

/boot continues to be above 90%

  • 772

I have checked my installed kernels

www-data@May:~$ dpkg -l linux-image-\* | grep ^ii
ii  linux-image-3.13.0-57-generic       3.13.0-57.95                        amd64        Linux kernel image for version 3.13.0 on 64 bit x86 SMP
ii  linux-image-3.13.0-61-generic       3.13.0-61.100                       amd64        Linux kernel image for version 3.13.0 on 64 bit x86 SMP
ii  linux-image-extra-3.13.0-57-generic 3.13.0-57.95                        amd64        Linux kernel extra modules for version 3.13.0 on 64 bit x86 SMP
ii  linux-image-extra-3.13.0-61-generic 3.13.0-61.100                       amd64        Linux kernel extra modules for version 3.13.0 on 64 bit x86 SMP
ii  linux-image-generic                 3.13.0.61.68                        amd64        Generic Linux kernel image

I have checked my boot

www-data@May:~$ ls /boot/
System.map-3.13.0-57-generic  grub              memtest86+.elf
System.map-3.13.0-61-generic  initrd.img-3.13.0-55-generic  memtest86+_multiboot.bin
abi-3.13.0-57-generic         initrd.img-3.13.0-57-generic  vmlinuz-3.13.0-57-generic
abi-3.13.0-61-generic         initrd.img-3.13.0-61-generic  vmlinuz-3.13.0-61-generic
config-3.13.0-57-generic      lost+found
config-3.13.0-61-generic      memtest86+.bin

The above is what I have AFTER I have run sudo apt-get autoremove

I continue to have > 90% of usage of boot.

Please advise.

boot

1 Answers

  1. There are many other kernel-specific packages. You should sudo apt-get remove the obsolete ones. Here is how I found my obsolete packages: 

    # first, use the current kernel version (DO NOT REMOVE YOUR CURRENT KERNEL)  
# to get a list of installed packages with the same version number.
dpkg -l | fgrep $(uname -r | sed -e 's/-generic//') | egrep '^ii'  

# Then, inspecting the output, and manually selecting non-version  
# substrings, construct a regular expression for egrep. I got:
dpkg -l | egrep 'linux-tools-|linux-source-|linux-libc-dev|linux-image-|linux-headers-'| egrep -v $(uname -r | sed -e 's/-generic//')

    This produces a list of candidates for sudo apt-get remove. Eliminate from this list your current kernel and all of its like-versioned kin (I did that in the last egrep) AND the previous N versions. Start with N=3, use N=2 with caution, and try to avoid the N=1 case.

    DO NOT REMOVE YOUR CURRENT KERNEL

    • 0