Snappy : Install2022/08/30

	Install Snappy that is a software deployment and package management system.
[1]	Install and Run Snapd to use Snap packages.

root@dlp:~#

apt -y install snapd

root@dlp:~#

systemctl enable snapd.service snapd.socket

root@dlp:~#

source /etc/profile.d/apps-bin-path.sh

[2]	Basic usage of [Snap] command.

# list installed packages

root@dlp:~#

snap list

Name    Version        Rev    Tracking       Publisher   Notes
core20  20220719       1587   latest/stable  canonical✓  base
lxd     5.0.0-b0287c1  22923  5.0/stable/..  canonical✓  disabled
snapd   2.56.2         16292  latest/stable  canonical✓  snapd

# search packages with words in Snap repository

root@dlp:~#

snap find kubernetes

Name                         Version                Publisher              Notes    Summary
kubernetes-worker            0.0.2                  canonical✓             -        A complete Kubernetes worker
kubernetes-test              1.24.4                 canonical✓             classic  tests for kubernetes
kubernetes-test-eks          1.10.3                 canonical-cloud-snaps  classic  tests for kubernetes
microk8s                     v1.24.3                canonical✓             classic  Kubernetes for workstations and appliances
.....
.....

# install [hello-world] package

root@dlp:~#

snap install hello-world

hello-world 6.4 from Canonical✓ installed

root@dlp:~#

snap list

Name         Version        Rev    Tracking       Publisher   Notes
core         16-2.56.2      13425  latest/stable  canonical✓  core
core20       20220805       1611   latest/stable  canonical✓  base
hello-world  6.4            29     latest/stable  canonical✓  -
lxd          5.0.0-b0287c1  22923  5.0/stable/..  canonical✓  disabled
snapd        2.56.2         16292  latest/stable  canonical✓  snapd

# show package info

root@dlp:~#

snap info hello-world

name:      hello-world
summary:   The 'hello-world' of snaps
publisher: Canonical✓
store-url: https://snapcraft.io/hello-world
contact:   snaps@canonical.com
license:   unset
description: |
  This is a simple hello world example.
commands:
  - hello-world.env
  - hello-world.evil
  - hello-world
  - hello-world.sh
snap-id:      buPKUD3TKqCOgLEjjHx5kSiCpIs5cMuQ
tracking:     latest/stable
refresh-date: today at 06:22 UTC
channels:
  latest/stable:    6.4 2019-04-17 (29) 20kB -
  latest/candidate: 6.4 2019-04-17 (29) 20kB -
  latest/beta:      6.4 2019-04-17 (29) 20kB -
  latest/edge:      6.4 2019-04-17 (29) 20kB -
installed:          6.4            (29) 20kB -

# run application

root@dlp:~#

hello-world

Hello World!

# PATH

root@dlp:~#

which hello-world

/snap/bin/hello-world

root@dlp:~#

ll /snap/bin/hello-world

lrwxrwxrwx 1 root root 13 Aug 30 06:22 /snap/bin/hello-world -> /usr/bin/snap*

# disable application

root@dlp:~#

snap disable hello-world

hello-world disabled

root@dlp:~#

snap list

Name         Version        Rev    Tracking       Publisher   Notes
core         16-2.56.2      13425  latest/stable  canonical✓  core
core20       20220805       1611   latest/stable  canonical✓  base
hello-world  6.4            29     latest/stable  canonical✓  disabled
lxd          5.0.0-b0287c1  22923  5.0/stable/..  canonical✓  disabled
snapd        2.56.2         16292  latest/stable  canonical✓  snapd

root@dlp:~#

hello-world

-bash: /snap/bin/hello-world: No such file or directory

# enable application

root@dlp:~#

snap enable hello-world

hello-world enabled

root@dlp:~#

hello-world

Hello World!

# uninstall an application

root@dlp:~#

snap remove hello-world

hello-world removed

root@dlp:~#

snap list

Name    Version        Rev    Tracking       Publisher   Notes
core    16-2.56.2      13425  latest/stable  canonical✓  core
core20  20220805       1611   latest/stable  canonical✓  base
lxd     5.0.0-b0287c1  22923  5.0/stable/..  canonical✓  disabled
snapd   2.56.2         16292  latest/stable  canonical✓  snapd

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