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Installation

Xermius is available for Windows, macOS, and Linux. Choose your platform below to get started.

System Requirements​

Before installing, make sure your system meets the minimum requirements:

Windows​

  • OS: Windows 10 or later (64-bit)
  • RAM: 4 GB minimum, 8 GB recommended
  • Disk Space: 500 MB free space
  • Network: Internet connection for sync features

macOS​

  • OS: macOS 10.13 (High Sierra) or later
  • Processor: Intel or Apple Silicon (M1/M2/M3)
  • RAM: 4 GB minimum, 8 GB recommended
  • Disk Space: 500 MB free space

Linux​

  • OS: Ubuntu 18.04+, Debian 10+, Fedora 32+, or equivalent
  • Architecture: x64 (64-bit)
  • RAM: 4 GB minimum, 8 GB recommended
  • Disk Space: 500 MB free space
  • Dependencies: GTK 3, libnotify

Download Xermius​

Visit the official Xermius website to download the installer for your operating system:

👉 Download Xermius

The website will automatically detect your operating system and provide the appropriate installer. Once downloaded, follow the installation instructions below for your platform.

Installation Instructions​

Windows Installation​

  1. Download the installer (Xermius-Setup-x.x.x.exe) from the website

  2. Run the installer by double-clicking the downloaded file

  3. Follow the setup wizard:

    • Accept the license agreement
    • Choose installation location (recommended: default)
    • Click Install and wait for completion

  4. Launch Xermius from the desktop shortcut or Start Menu

Note: Windows may show a security warning on first install. Click "More info" → "Run anyway" to proceed.

macOS Installation​

  1. Download the DMG file (Xermius-x.x.x.dmg) from the website

  2. Open the DMG by double-clicking the downloaded file

  3. Drag Xermius to the Applications folder

  4. Launch Xermius from Applications folder or Spotlight

Note: On first launch, macOS may show a security warning. Go to System Settings → Privacy & Security and click "Open Anyway", or right-click the app and select "Open".

Linux Installation​

The website will provide the appropriate package format for your distribution:

Debian/Ubuntu (DEB Package)​

  1. Download the .deb file from the website
  2. Install by double-clicking the file, or use terminal:
sudo dpkg -i xermius_x.x.x_amd64.deb

Fedora/RHEL/CentOS (RPM Package)​

  1. Download the .rpm file from the website
  2. Install by double-clicking the file, or use terminal:
sudo rpm -i xermius-x.x.x.x86_64.rpm

Universal (AppImage)​

  1. Download the .AppImage file from the website
  2. Make it executable:
chmod +x Xermius-x.x.x.AppImage
  1. Run the AppImage:
./Xermius-x.x.x.AppImage

First Launch​

When you launch Xermius for the first time:

  1. Welcome screen appears

  2. Choose setup mode:

    • 🆕 Start from scratch - Create a new account
    • 📥 Import existing - Import from PuTTY, MobaXterm, etc.
    • 🔄 Sign in - Sync with existing Xermius account

  3. Grant permissions (if prompted):

    • Network access for SSH connections
    • File system access for SFTP and imports
    • Keychain access for secure credential storage

Updating Xermius​

Xermius will automatically notify you when a new version is available.

To update:

  1. Click the Update notification when it appears
  2. Choose Download and Install
  3. Restart Xermius to complete the update

You can also check manually by going to Help → Check for Updates.

Uninstallation​

Windows​

  1. Go to Settings → Apps → Installed apps
  2. Find Xermius and click Uninstall

macOS​

  1. Open Applications folder
  2. Drag Xermius to Trash
  3. Empty Trash

Linux​

  • DEB: sudo apt-get remove xermius
  • RPM: sudo rpm -e xermius
  • AppImage: Simply delete the file

Troubleshooting​

Windows​

"Windows protected your PC" warning

  • Click "More info" → "Run anyway"

macOS​

"Cannot be opened because it is from an unidentified developer"

  • Go to System Settings → Privacy & Security
  • Click "Open Anyway"

Linux​

AppImage doesn't run

  • Make sure it's executable: chmod +x Xermius-x.x.x.AppImage
  • Install FUSE if needed: sudo apt-get install fuse libfuse2

Missing dependencies (Debian/Ubuntu)

sudo apt-get install libgtk-3-0 libnotify4

Next Steps​

Now that Xermius is installed: