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Im trying to install all the packages installed on the other host.

  • From host = Ubuntu 12.04 LTS
  • To host = Ubuntu 12.04 LTS

I've ran dpkg --get-selections > packages.txt on the 'old'-system. To import them to the newer system i've ran: dpkg --set-selections < packages.txt. This seems to be working fine.

But when I try to install them; apt-get tells me it wants to remove the following packages:

 e2fsprogs libblkid1 (due to e2fsprogs) libuuid1 (due to e2fsprogs) util-linux (due to e2fsprogs) hostname mount libmount1 (due to mount) acpid adduser aptitude console-setup cron dmsetup dselect e2fsprogs eject grub-common
  grub-gfxpayload-lists grub-pc grub-pc-bin grub2-common hostname ifupdown initramfs-tools
  initscripts kbd keyboard-configuration libblkid1 libdevmapper1.02.1 libmount1 libuuid1 libxapian22
  linux-image-3.2.0-49-virtual linux-image-virtual linux-virtual module-init-tools mount mountall
  netbase ntpdate openssh-client openssh-server passwd plymouth procps resolvconf rsync rsyslog
  tasksel tasksel-data ubuntu-minimal udev upstart ureadahead util-linux

The problem is; I see a couple of 'required' packages that I don't want to deinstall/remove. Is there a command like apt-get upgrade --only-install? Or is there a work-around to only INSTALL the packages?

2

The correct way was parsing the output of --get-selections before importing the list. Now to correct the situation some workarounds should be applied:

On 'old' system:

dpkg --get-selections | grep -v 'deinstall` > packages.txt

This will get you a list of only the packages installed. Now in the target system:

sudo dpkg --clear-selections
sudo dpkg --set-selections < packages.txt

Now lets fix the mess of the previous command:

Save the following to some file, lets call it packages.fix;

e2fsprogs install 
libblkid1 install 
libuuid1 install 
util-linux install 
hostname install 
mount install 
libmount1 install 
acpid install 
adduser install 
aptitude install 
console-setup install 
cron install 
dmsetup install 
dselect install 
e2fsprogs install 
eject install 
grub-common install 
grub-gfxpayload-lists install 
grub-pc install 
grub-pc-bin install 
grub2-common install 
hostname install 
ifupdown install 
initramfs-tools install 
initscripts install 
kbd install 
keyboard-configuration install 
libblkid1 install 
libdevmapper1.02.1 install 
libmount1 install 
libuuid1 install 
libxapian22 install 
linux-image-3.2.0-49-virtual install 
linux-image-virtual install 
linux-virtual install 
module-init-tools install 
mount install 
mountall install 
netbase install 
ntpdate install 
openssh-client install 
openssh-server install 
passwd install 
plymouth install 
procps install 
resolvconf install 
rsync install 
rsyslog install 
tasksel install 
tasksel-data install 
ubuntu-minimal install 
udev install 
upstart install 
ureadahead install 
util-linux install

Now lets do sudo dpkg --set-selections < packages.fix continue with your operation, it should be fine now.

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