$ sudo apt install thumbnailer-service
Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following extra packages will be installed:
  libleveldb1 libsnappy1
The following packages will be REMOVED:
  libthumbnailer0
The following NEW packages will be installed:
  libleveldb1 libsnappy1
The following packages will be upgraded:
  thumbnailer-service
1 upgraded, 2 newly installed, 1 to remove and 110 not upgraded.