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*Security Alert*
Application confinement may be automatically disabled if snapd
fails to detect the required features. If you would like to disable
this automatic behavior, causing snapd to panic if its confinement
feature detection fails, then use this setting in package.use:
app-emulation/snapd -forced-devmode
Use this command to enable the snapd service:
systemctl enable snapd.socket
You can source /etc/profile.d/snapd.sh in your shell in order to
update PATH and XDG_DATA_DIRS environment variables to include
installed snaps.
Once you have snapd running (first refer to the *AppArmor Section*
below if you have that enabled), see the snap-store installation
instructions here:
https://snapcraft.io/docs/installing-snap-store-app
If snap-store does not work correctly then it may be due to a temporary
service outage which will hopefully be reported on this page:
https://status.snapcraft.io/
When snap-store is not working due to a service outage, it may still
be possible to install apps via the snap cli. See snap --help for
details. Many apps can be installed without a snap store (Ubuntu One)
account. The snap login, logout, and whoami subcommands are available
to manage snap store account details.
Note that you will need a polkit authentication agent running in
order to authenticate as root when installing snaps as a non-root user.
The agent is typically started by a desktop entry found in
/etc/xdg/autostart such as one of these:
polkit-gnome-authentication-agent-1.desktop
polkit-kde-authentication-agent-1.desktop
*AppArmor Section*
When apparmor is enabled you should enable these services:
systemctl enable apparmor.service snapd.apparmor.service
You also need it enabled in your kernel and you may need to add these
kernel parameters to your boot loader configuration:
apparmor=1 security=apparmor
Refer here for more information about apparmor:
https://wiki.gentoo.org/wiki/AppArmor
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