snap and flatpak in Linux CLI - Step-by-Step Execution

Concept Flow - snap and flatpak

User wants to install app

↓

Choose package system

↓

Snap

↓

Download snap

↓

Install snap

↓

Run app

↓

Update app

↓

Remove app

This flow shows how a user picks either Snap or Flatpak to install, run, update, and remove apps on Linux.

Execution Sample

Linux CLI

snap install vlc
flatpak install flathub org.videolan.VLC
snap run vlc
flatpak run org.videolan.VLC

Installs and runs VLC media player using Snap and Flatpak commands.

Execution Table

Step	Command	Action	Output Example	Notes
1	snap install vlc	Download and install VLC snap package	vlc 3.0.11 installed	Installs VLC via Snap store
2	flatpak install flathub org.videolan.VLC	Download and install VLC flatpak package	Installing: org.videolan.VLC/x86_64/stable Done	Installs VLC via Flathub repo
3	snap run vlc	Run VLC from snap	VLC media player opens	Starts VLC app installed by snap
4	flatpak run org.videolan.VLC	Run VLC from flatpak	VLC media player opens	Starts VLC app installed by flatpak
5	snap refresh vlc	Update VLC snap package	vlc refreshed	Updates VLC snap if new version
6	flatpak update org.videolan.VLC	Update VLC flatpak package	Updating: org.videolan.VLC Done	Updates VLC flatpak if new version
7	snap remove vlc	Remove VLC snap package	vlc removed	Uninstalls VLC snap
8	flatpak uninstall org.videolan.VLC	Remove VLC flatpak package	Uninstall complete	Uninstalls VLC flatpak

💡 All commands complete successfully or show errors if app not found or network issues.

Variable Tracker

Variable	Start	After snap install	After flatpak install	After snap run	After flatpak run	After snap remove	After flatpak uninstall
vlc_snap_installed	False	True	True	True	True	False	False
vlc_flatpak_installed	False	False	True	True	True	True	False
vlc_snap_running	False	False	False	True	True	False	False
vlc_flatpak_running	False	False	False	False	True	True	False

Key Moments - 3 Insights

Why do we need to specify 'flathub' in the flatpak install command?

Because Flatpak uses repositories, and 'flathub' is the common repo where VLC is hosted. This is shown in execution_table row 2.

Can we run VLC with 'snap run' if it was installed only via flatpak?

No, 'snap run' only works for snap-installed apps. See execution_table rows 3 and 4 for separate run commands.

Does removing VLC via snap also remove the flatpak version?

No, removing one package system's app does not affect the other. Variable tracker shows separate states for snap and flatpak installs.

Visual Quiz - 3 Questions

Look at the execution table, what output do you expect after running 'snap install vlc'?

A "Uninstall complete"

B "vlc 3.0.11 installed"

C "Installing: org.videolan.VLC/x86_64/stable"

D "vlc removed"

💡 Hint

Check execution_table row 1 for snap install output.

At which step does the VLC app start running from flatpak?

A Step 3

B Step 7

C Step 4

D Step 8

💡 Hint

See execution_table rows 3 and 4 for run commands.

If you remove VLC using 'snap remove vlc', what happens to 'vlc_snap_installed' variable?

A It becomes False

B It stays True

C It becomes None

D It becomes True only after flatpak uninstall

💡 Hint

Look at variable_tracker last columns for vlc_snap_installed.

Concept Snapshot

Snap and Flatpak are Linux app package systems.
Use 'snap install <app>' or 'flatpak install <repo> <app>' to install.
Run apps with 'snap run <app>' or 'flatpak run <app_id>'.
Update apps with 'snap refresh' or 'flatpak update'.
Remove apps with 'snap remove' or 'flatpak uninstall'.

Full Transcript

This visual execution shows how to install, run, update, and remove apps using Snap and Flatpak on Linux. The user chooses either Snap or Flatpak, downloads the app package, installs it, runs it, updates it, and finally removes it. Commands like 'snap install vlc' and 'flatpak install flathub org.videolan.VLC' install VLC media player. Running uses 'snap run vlc' or 'flatpak run org.videolan.VLC'. Updates and removals use their respective commands. Variables track if VLC is installed or running via each system separately. Key moments clarify why repository names are needed for Flatpak, and that Snap and Flatpak apps are managed independently. The quiz tests understanding of outputs, steps, and variable changes.

Practice

1. What is the main purpose of using snap and flatpak on Linux?

easy

A. To replace the Linux kernel with a new version

B. To install and run applications in a safe, isolated way

C. To manage user accounts and permissions

D. To compile source code into executable programs

Solution

1. Step 1: Understand the role of snap and flatpak

   Snap and Flatpak are tools to install and run apps safely on Linux by isolating them from the system.

2. Step 2: Compare options with this purpose

   The remaining options describe unrelated system tasks like kernel replacement, user management, and code compilation, so they are incorrect.

3. Final Answer:

   To install and run applications in a safe, isolated way -> Option B

4. Quick Check:

   Snap and Flatpak isolate apps = A [OK]

Hint: Snap and Flatpak isolate apps for safety and easy install [OK]

Common Mistakes:

• Thinking snap/flatpak manage system settings
• Confusing them with system update tools
• Assuming they compile code

2. Which command correctly installs the VLC media player using snap?

easy

A. snap install vlc

B. flatpak install vlc

C. snap get vlc

D. flatpak run vlc

Solution

1. Step 1: Identify the snap install syntax

   The correct command to install a snap package is snap install [package].

2. Step 2: Check options for VLC installation

   'snap get vlc' is not for installing. 'flatpak install vlc' uses the wrong tool for snap. 'snap install vlc' matches the correct syntax. 'flatpak run vlc' launches but does not install.

3. Final Answer:

   snap install vlc -> Option A

4. Quick Check:

   Snap install command = C [OK]

Hint: Use 'snap install' to add apps via snap quickly [OK]

Common Mistakes:

• Using 'snap get' instead of 'snap install'
• Confusing flatpak commands with snap
• Trying to run app before installing

3. What will be the output of the command flatpak list if you have installed two apps: VLC and GIMP?

medium

A. VLC and GIMP listed with their app IDs and versions

B. No output, command not found

C. Only VLC listed

D. Error: No apps installed

Solution

1. Step 1: Understand what 'flatpak list' does

   This command shows all installed flatpak apps with details like app ID and version.

2. Step 2: Apply to given apps

   Since VLC and GIMP are installed, both will appear in the list with their info.

3. Final Answer:

   VLC and GIMP listed with their app IDs and versions -> Option A

4. Quick Check:

   flatpak list shows installed apps = B [OK]

Hint: flatpak list shows all installed apps and details [OK]

Common Mistakes:

• Expecting no output or error if apps exist
• Thinking it lists only one app
• Confusing with snap commands

4. You run snap remove vlc but get an error saying "error: no matching snaps installed". What is the likely problem?

medium

A. You need to use 'snap uninstall' instead

B. You typed the command incorrectly

C. Snap service is not running

D. VLC was installed using flatpak, not snap

Solution

1. Step 1: Analyze the error message

   The error means snap cannot find an installed package named vlc.

2. Step 2: Consider installation methods

   If VLC was installed via flatpak, snap won't see it. So removing with snap fails.

3. Final Answer:

   VLC was installed using flatpak, not snap -> Option D

4. Quick Check:

   Snap can't remove apps installed by flatpak = A [OK]

Hint: Check if app was installed by snap or flatpak before removing [OK]

Common Mistakes:

• Assuming 'snap uninstall' is valid (it's 'remove')
• Ignoring which package manager installed the app
• Thinking snap service status causes this error

5. You want to automate installing multiple apps using flatpak in a script. Which snippet correctly installs VLC and GIMP and then lists installed apps?

hard

A. flatpak install -y org.videolan.VLC org.gimp.GIMP; snap list

B. flatpak install org.videolan.VLC org.gimp.GIMP && flatpak list

C. flatpak install -y flathub org.videolan.VLC org.gimp.GIMP && flatpak list

D. flatpak install -y org.videolan.VLC && flatpak install org.gimp.GIMP && flatpak list

Solution

1. Step 1: Understand flatpak install syntax for multiple apps

   You can install multiple apps in one command by listing them after 'flatpak install'. The '-y' flag auto-confirms prompts.

2. Step 2: Check command chaining and listing

   flatpak install -y flathub org.videolan.VLC org.gimp.GIMP && flatpak list installs both apps with '-y' and explicit remote, then lists. flatpak install org.videolan.VLC org.gimp.GIMP && flatpak list misses '-y', so prompts block automation. flatpak install -y org.videolan.VLC && flatpak install org.gimp.GIMP && flatpak list uses separate commands but misses '-y' on second install, causing a prompt. flatpak install -y org.videolan.VLC org.gimp.GIMP; snap list mixes flatpak install with snap list, which won't show flatpaks.

3. Final Answer:

   flatpak install -y flathub org.videolan.VLC org.gimp.GIMP && flatpak list -> Option C

4. Quick Check:

   Use '-y' for auto yes and chain commands = D [OK]

Hint: Use '-y' to auto-confirm and chain commands with && [OK]

Common Mistakes:

• Forgetting '-y' causes manual prompts
• Mixing snap and flatpak commands
• Installing apps one by one unnecessarily