Ubuntu – How to backup and restore all installed snap packages

backupsnap

I need to reinstall my Ubuntu 18.04 and I want to backup and restore all installed snap packages including all installation settings.

With snap list I get the list of installed packages. However, the list is not in a suitable format for reinstalling all the packages. I need something like apt-clone that would work for snap packages the same way it works for apt installed packages.

Best Answer

You can save installed packages using following code

snap save

And then all the installed packeges will be zipped with data to /var/lib/snapd/snapshots/

For more information go here https://snapcraft.io/docs

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Ubuntu – With Snap and Apt both existing, how to backup all the apps so that I can restore it on a new machine

For snaps I think a Snapshot is the way to go.

For normal apt(.deb) software packages installed on your machine I think you could try these options:

Check your apt archive directory(/var/cache/apt/archives) to see if this contains any .deb file. Those .deb are the software package from the applications you have in your system. If so, copy these .deb file to a USB stick from example, restore them on the new machine and once these files are on the new machine install them using sudo dpkg -i *.deb
A second option if the previous step doesn't find anything would be to create the .deb for your current system, on console type:
```
sudo apt-get install dpkg-repack
mkdir repack
cd repack
dpkg-repack `dpkg --get-selections | grep install | cut -f1` 
```

The above commands will create the .deb files from your current installed system in the repack directory, from there you could copy these file to an USB stick, then restore them on the new machine, and again, perform an sudo dpkg -i *.deb on the new machine to install these deb applications in there

Best Answer

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Ubuntu – With Snap and Apt both existing, how to backup all the apps so that I can restore it on a new machine

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