Base snaps are a specific type of snap that include libraries and dependencies common to many applications. They provide a consistent and reliable execution environment for the snap packages that use them.
The core20 base snap provides a runtime environment based on Ubuntu 20.04 LTS (Focal Fossa).
Other Ubuntu environment base snaps include:
Using a base snap
Base snaps are installed automatically when a snap package requires them. Only one of each type of base snap is ever installed.
Manually removing a base snap may affect the stability of your system.
Building snaps with core20
Snap developers can use this base in their own snaps by adding the following to the snap's snapcraft.yaml:
base: core20
Additional Information*
For more details, and guidance on using base snaps, see our documentation: https://snapcraft.io/docs/base-snaps
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Snaps are applications packaged with all their dependencies to run on all popular Linux distributions from a single build. They update automatically and roll back gracefully.
Snaps are discoverable and installable from the Snap Store, an app store with an audience of millions.
Snap is available for CentOS 7.6+, and Red Hat Enterprise Linux 7.6+, from the Extra Packages for Enterprise Linux (EPEL) repository. The EPEL repository can be added to your system with the following command:
sudo yum install epel-release
Snap can now be installed as follows:
sudo yum install snapd
Once installed, the systemd unit that manages the main snap communication socket needs to be enabled:
sudo systemctl enable --now snapd.socket
To enable classic snap support, enter the following to create a symbolic link between /var/lib/snapd/snap and /snap:
sudo ln -s /var/lib/snapd/snap /snap
Either log out and back in again, or restart your system, to ensure snap’s paths are updated correctly.
To install Core 20 base snap, simply use the following command:
sudo snap install core20
Browse and find snaps from the convenience of your desktop using the snap store snap.
Interested to find out more about snaps? Want to publish your own application? Visit snapcraft.io now.
