FunOS

Obsidian is a powerful knowledge-management application designed for users who want to organize their ideas using a fast, flexible, and Markdown-based note-taking system. On FunOS, you can install Obsidian using two different methods: by installing the official .deb package provided on Obsidian’s GitHub Releases page, or by using the .tar.gz package for a manual installation. This guide will walk you through both methods step by step so you can choose the one that best fits your needs.

What is Obsidian?

Obsidian is a feature-rich, cross-platform note-taking and knowledge-base application built around local Markdown files. It allows you to create interconnected notes, visualize connections using a graph view, and extend functionality with a wide range of community plugins and themes. Because your notes are stored locally, you maintain full control over your data while benefiting from Obsidian’s advanced editing tools, customization options, and powerful linking system—making it an ideal tool for students, writers, developers, researchers, and productivity enthusiasts.

How to Install Obsidian on FunOS

Method 1: Using the .deb package from Obsidian Official GitHub

Step 1: Download the Obsidian .deb File

1. Go to the Obsidian Releases Page on GitHub (https://github.com/obsidianmd/obsidian-releases/releases/).
2. In the Assets section, download the file with the extension amd64.deb.
3. Save the file in your Downloads directory.

Step 2: Open a Terminal

Choose one of the following options:

• Click Menu in the left corner of the screen, then click Terminal
• Click the Terminal icon in the Tray
• Press Ctrl + Alt + T

Step 3: Navigate to the Downloads Directory

cd ~/Downloads

Step 4: Update the Package List

sudo apt update

Step 5: Install Obsidian

sudo apt install ./obsidian_*.deb

Step 6: Remove the Downloaded .deb File

rm -f obsidian_*.deb

Step 7: Reload the Menu

• Click the Menu button in the lower-left corner
• Click Reload menu

Method 2: Using the .tar.gz package from Obsidian Official GitHub

Step 1: Download the Obsidian .tar.gz File

1. Go to the Obsidian Releases Page on GitHub (https://github.com/obsidianmd/obsidian-releases/releases/).
2. In the Assets section, download the .tar.gz file.
3. Save the file in your Downloads directory.

Step 2: Open a Terminal

Choose one of the following options:

• Click Menu in the left corner of the screen, then click Terminal
• Click the Terminal icon in the Tray
• Press Ctrl + Alt + T

Step 3: Create the Obsidian Directory in /opt

sudo mkdir -p /opt/Obsidian

Step 4: Extract the .tar.gz File to the /opt/Obsidian Directory

sudo tar -xvzf ~/Downloads/obsidian-*.tar.gz --strip-components=1 -C /opt/Obsidian

Step 5: Create a Symbolic Link to the Obsidian Executable

sudo ln -sf /opt/Obsidian/obsidian /usr/bin/obsidian

Step 6: Create a Desktop Entry for Obsidian

1. Open the desktop entry file:

sudo mousepad /usr/share/applications/obsidian.desktop

2. Paste the following content into the file:

[Desktop Entry]
Name=Obsidian
Exec=/usr/bin/obsidian %U
Terminal=false
Type=Application
Icon=obsidian
StartupWMClass=obsidian
Comment=Obsidian
MimeType=x-scheme-handler/obsidian;
Categories=Office;

3. Save the file and close Mousepad.

Step 7: Remove the Downloaded File

rm -f ~/Downloads/obsidian-*.tar.gz

Step 8: Update the Package List

sudo apt update

Step 9: Install the Necessary Dependencies

sudo apt install libappindicator3-1

Step 10: Reload the Menu

• Click the Menu button in the lower-left corner
• Click Reload menu

Launching Obsidian

To launch Obsidian:

• Click the Menu button in the lower-left corner
• Open the Office category
• Click Obsidian

How to Uninstall Obsidian on FunOS

Uninstalling Obsidian from FunOS depends on how you originally installed it. This section provides complete instructions for removing Obsidian installed either through the official .deb package or manually using the .tar.gz archive.

Uninstall Obsidian Installed from the Obsidian .deb File

Step 1: Open a Terminal

Choose one of the options below:

• Click Menu in the left corner of the screen, then click Terminal
• Click the Terminal icon in the Tray
• Press Ctrl + Alt + T

Step 2: Remove Obsidian

Use the following command to remove Obsidian along with its configuration files under /etc:

sudo apt remove --purge obsidian

Step 3: Remove Any Unused Dependencies

Clean up packages no longer needed by the system:

sudo apt autoremove --purge

Step 4: Remove User Data (Optional)

If you also want to remove all personal settings and vault configurations, run:

rm -rf $HOME/.config/obsidian

Step 5: Reload the Menu

• Click the Menu button in the lower-left corner
• Click Reload menu

Uninstall Obsidian Installed from the Obsidian .tar.gz File

Step 1: Open a Terminal

Choose one of the following:

• Click Menu in the left corner of the screen, then click Terminal
• Click the Terminal icon in the Tray
• Press Ctrl + Alt + T

Step 2: Remove the Obsidian Directory

Delete the installation directory from /opt:

sudo rm -rf /opt/Obsidian

Step 3: Remove the Symbolic Link

Remove the symbolic link created during installation:

sudo rm -f /usr/bin/obsidian

Step 4: Remove the Desktop Entry

Delete the launcher file from the applications directory:

sudo rm -f /usr/share/applications/obsidian.desktop

Step 5: Remove User Data (Optional)

If you want to completely remove all user-related data:

rm -rf $HOME/.config/obsidian

Step 6: Reload the Menu

• Click the Menu button in the lower-left corner
• Click Reload menu

Conclusion

Installing Obsidian on FunOS is straightforward, whether you prefer using the official .deb package or manually setting up the .tar.gz version. Both methods allow you to enjoy Obsidian’s powerful note-taking and personal knowledge-management features. If you ever need to uninstall the application, the process is just as simple—this guide provides all the steps needed to remove Obsidian cleanly, along with its optional user data. With Obsidian properly installed or removed, you can keep your FunOS system clean, organized, and ready for your workflow.