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Thread: Snap folders appear on their own

  1. #1
    Join Date
    Jul 2020
    Beans
    1

    Snap folders appear on their own

    Hi I have been using Ubuntu for a few months now, and I noticed recently that a couple of apps - Libreoffice and Opera - suddenly created a new folder each in Snap (they have number labels).

    For example, Opera usually has under Home >> Snap >> Opera >> 81, common and current. But a new folder 83 appeared.
    Libreoffice's usual 180 or 183 gained a friend.

    I did not update or upgrade, and when I reformatted and reinstalled the apps from the App Store they disappeared/went back to the usual.

    I am concerned if this means someone had gained root access, added a file and changed permissions on the file, and how they would do it.

  2. #2
    Join Date
    Jun 2007
    Location
    Arizona U.S.A.
    Beans
    4,688

    Re: Snap folders appear on their own

    There's nothing wrong. You had snap versions of LibreOffice and Opera. When you reformatted and reinstalled them, you installed the .deb versions.

    There is a folder in ~/snap for every snap application.

    Code:
    dmn@Sydney-vm:~/snap$ tree
    .
    ├── atari800-jz
    │** ├── 1
    │** ├── common
    │** └── current -> 1
    ├── chromium
    │** ├── 1193
    │** ├── 1213
    │** ├── common
    │** └── current -> 1213
    ├── gnome-calculator
    │** └── current -> 730
    ├── gnome-characters
    │** └── current -> 399
    ├── libreoffice
    │** ├── 180
    │** ├── 183
    │** ├── common
    │** └── current -> 183
    └── snap-store
        ├── 415
        ├── common
        └── current -> 415
    
    19 directories, 3 files
    A folder exists for each snap application with subfolders corresponding to each revision number that's installed. The system keeps at most two revisions, with a symbolic link to the currently used one. The numbered folders are (at the moment) empty on my system. The applications themselves are not stored here.

  3. #3
    Join Date
    Dec 2014
    Beans
    1,554

    Re: Snap folders appear on their own

    snap comes with a background process (called a daemon in UNIX parlance, which is why these programs often have names ending in 'd') called snapd. One of the things snapd does is keep your snaps up to date by downloading and installing newer versions automatically. A certain, configurable number of revisions is kept in case you want to roll back to an older version.

    Holger

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