[bitfolk] Errors from apt-get upgrade in Ubuntu 18.04

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Author: Ian Hobson
Date:  
To: users
Subject: [bitfolk] Errors from apt-get upgrade in Ubuntu 18.04
Hi All,

I have just done a "sudo apt-get update" and "sudo apt-get upgrade" and
got the following messages on the screen.

update-initramfs: Generating /boot/initrd.img-4.15.0-54-generic
update-initramfs: Generating /boot/initrd.img-4.15.0-52-generic
depmod: WARNING: could not open 
/var/tmp/mkinitramfs_hecyM2/lib/modules/4.15.0-5 
2-generic/modules.order: No such file or directory
depmod: WARNING: could not open 
/var/tmp/mkinitramfs_hecyM2/lib/modules/4.15.0-5 
2-generic/modules.builtin: No such file or directory
update-initramfs: Generating /boot/initrd.img-4.15.0-50-generic
update-initramfs: Generating /boot/initrd.img-4.15.0-48-generic
depmod: WARNING: could not open 
/var/tmp/mkinitramfs_1XbniU/lib/modules/4.15.0-4 
8-generic/modules.order: No such file or directory
depmod: WARNING: could not open 
/var/tmp/mkinitramfs_1XbniU/lib/modules/4.15.0-4 
8-generic/modules.builtin: No such file or directory
update-initramfs: Generating /boot/initrd.img-4.15.0-47-generic
update-initramfs: Generating /boot/initrd.img-4.15.0-46-generic
depmod: WARNING: could not open 
/var/tmp/mkinitramfs_acPqsQ/lib/modules/4.15.0-4 
6-generic/modules.order: No such file or directory
depmod: WARNING: could not open 
/var/tmp/mkinitramfs_acPqsQ/lib/modules/4.15.0-4 
6-generic/modules.builtin: No such file or directory
update-initramfs: Generating /boot/initrd.img-4.15.0-45-generic
depmod: WARNING: could not open 
/var/tmp/mkinitramfs_bPQxlw/lib/modules/4.15.0-4 
5-generic/modules.order: No such file or directory
depmod: WARNING: could not open 
/var/tmp/mkinitramfs_bPQxlw/lib/modules/4.15.0-4 
5-generic/modules.builtin: No such file or directory
update-initramfs: Generating /boot/initrd.img-4.4.0-116-generic
WARNING: missing /lib/modules/4.4.0-116-generic
Ensure all necessary drivers are built into the linux image!
depmod: ERROR: could not open directory /lib/modules/4.4.0-116-generic: 
No such                      file or directory
depmod: FATAL: could not search modules: No such file or directory
depmod: WARNING: could not open 
/var/tmp/mkinitramfs_B46ktb/lib/modules/4.4.0-11 
6-generic/modules.order: No such file or directory
depmod: WARNING: could not open 
/var/tmp/mkinitramfs_B46ktb/lib/modules/4.4.0-11 
6-generic/modules.builtin: No such file or directory
update-initramfs: Generating /boot/initrd.img-4.4.0-112-generic
WARNING: missing /lib/modules/4.4.0-112-generic
Ensure all necessary drivers are built into the linux image!
depmod: ERROR: could not open directory /lib/modules/4.4.0-112-generic: 
No such                      file or directory
depmod: FATAL: could not search modules: No such file or directory
depmod: WARNING: could not open 
/var/tmp/mkinitramfs_gDoz9s/lib/modules/4.4.0-11 
2-generic/modules.order: No such file or directory
depmod: WARNING: could not open 
/var/tmp/mkinitramfs_gDoz9s/lib/modules/4.4.0-11 
2-generic/modules.builtin: No such file or directory
Setting up apache2 (2.4.29-1ubuntu4.8) ...
Processing triggers for initramfs-tools (0.130ubuntu3.8) ...
update-initramfs: Generating /boot/initrd.img-4.15.0-54-generic
ian@hobsoni:~$


I am using the standard Ubunutu 18.04 LTS kernel and software.

What do these warnings and errors mean? Can I safely ignore them? And if
not, how can I fix?

Regards

Ian

--
Ian Hobson
Tel (+351) 910 418 473