Getting Started with Snap
Table of Contents
Getting Started
Setting Up
Install and Run your first Snap
More Features
Getting Started
- Snap (or
Snappypackage manager) is one of the best software deployment and package management system which is built byCanonical. - A
snapis a bundle of an app and works across many different Linux distributions as well. - App packages that are installed through
snap, calledSnaps. SoSnapsare containerized software packages. - These are disclosable and installable from the
Snap Store. snapdis the tool for usingsnaps.
The system is actually designed for IoT, Cloud and Desktop Computing that are
- Easy to install
- Secured
- Cross-Platform
- Dependency-free
Setting Up
Installing snapd on Ubuntu
$ sudo apt install snapdIt manages the snap environment on local the system and will include the snap tool for interacting with snaps as well. You can check whether snap is installed or not by running snap version on the command line:
$ snap version
snap 2.42.1
snapd 2.42.1
series 16
ubuntu 18.04
kernel 5.0.0-36-generic Install and Run your first Snap
Finding a snap
$ snap find something
Name Version Publisher Notes Summary
paintsupreme-3d 1.0.41 braindistrict - PaintSupreme 3D
syncthing 1.3.1 syncthing✓ - Open Source Continuous File Synchronization
openscad-nightly 0+git.eedfcc4 torsten-paul - The Programmers Solid 3D CAD Modeller
step 19.08.0 kde✓ - Simulate physics experiments
draftman 1.0.12 jsseidel classic A plain-text draft management tool for novelists.
spt v0.4.0 popey - Spotify TUIsnap find <search keywords> queries the store and list the results with their details. ✓ indecates that publisher has been verified.
Learning about a snap
$ snap info hello
name: hello
summary: GNU Hello, the "hello world" snap
publisher: Canonical✓
contact: snaps@canonical.com
license: GPL-3.0
description: |
GNU hello prints a friendly greeting. This is part of the snapcraft tour at https://snapcraft.io/
snap-id: mVyGrEwiqSi5PugCwyH7WgpoQLemtTd6
channels:
stable: 2.10 2019-04-17 (38) 98kB -
candidate: 2.10 2017-05-17 (20) 65kB -
beta: 2.10.1 2017-05-17 (29) 65kB -
edge: 2.10.42 2017-05-17 (34) 65kB -You will know details about a package by running this command.
Install and execution
$ sudo snap install hello
hello 2.10 from Canonical✓ installedFor running the command simply write hello in the command line.
$ hello
Hello, world! Keep tracking installed snaps
$ snap list
Name Version Rev Tracking Publisher Notes
core 16-2.42.1 8039 stable canonical✓ core
core18 20191030 1265 stable canonical✓ base
gnome-3-28-1804 3.28.0-16-g27c9498.27c9498 110 stable/… canonical✓ -Installed snaps on your system will be listed by this command.
Refreshing an installed snap
$ sudo snap refresh hello
snap "hello" has no updates availableAbove command will check whether a newer version is available or not and it will be downloaded and installed automatically.
$ sudo snap refresh --channel=beta hello
hello (beta) 2.10.1 from Canonical✓ refreshedYou can change the channel from which your snap will be tracked and refreshed with this single command.
More Features
Reverting an installed snap
$ sudo snap revert hello
hello reverted to 2.10$ snap list --all hello
Name Version Rev Tracking Publisher Notes
hello 2.10 38 beta canonical✓ -
hello 2.10.1 29 beta canonical✓ disabledAbove command will list all revisions of hello.
Revision is the sequence number which is assigned by the store when it was uploaded
$ snap list --allThis will list all revisions available for every installed snaps.
Enabling and Disabling a snap
$ sudo snap disable hello
hello disabled
$ sudo snap enable hello
hello enabled Removing a snap
$ sudo snap remove hello
hello removedAfter running this command, all snap's revisions will be removed. To remove specific revision add --revision=<revision-number> to the remove command.
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