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WiFi Analyzer for Linux

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How to Install and Check for WiFi Interference at Your Premises and Produce a Report for NCF

Note: Instructions created using Ubuntu 18.04.1

Download and Install LinSSID

1. Navigate to this link to download and install “LinSSID

LinSSID download page
LinSSID Download Page

2. Click download - When prompted by your browser either:

  1. Firefox “Open with” Software Install (default) or
  2. Chromium/Chrome Allow file to download and then double click to open
LinSSID download confirmation
LinSSID Download Confirmation

3. Ubuntu Software will open with option to install LinSSID.

4. Click install. You will be prompted to authenticate with your administrator password. Install will proceed if password is correct.

LinSSID Software Install Confirmation
LinSSID Software Install Confirmation

5. When completed, click “launch” in Ubuntu Software, or locate “LinSSID” under the “Show Applications” link (resembles nine spheres) in your Taskbar.

LinSSID Launch confirmation
LinSSID Launch Confirmation

6. LinSSID will have you authenticate again using your password when launching the program.

Setting Up and Scanning Networks

1. Access the “File” menu and select “Preferences” add a checkmark next to “Log Data”. Click OK.

LinSSID Setting Log Data Preference
LinSSID Setting Log Data Preference

2. Select the wireless interface of your choice from the drop down list (most computers have only one).

3. Click the “Play” button (resembes a VCR) to start the test.

LinSSID Setting Wireless Interface and Starting Scan
LinSSID Setting Wireless Interface and Starting Scan

4. Sort the networks by “Signal” - lower numbers first(like golf, a lower number is better!

5. Ensure the “2.4 Ghz Channels” graph is showing! The channels with the most wifi networks represent the frequency bands with the most interference from other networks.

6. Click your network’s name to highlight it.

LinSSID Sorting Wireless Networks and Highlighting Your Network
LinSSID Sorting Wireless Networks and Highlighting Your Network

7. Leave the program to run for about 15 minutes and take a screenshot of the report. This will save the screenshot as an image in your “Pictures” file folder. Include the image in a reply to the most recent ticket email you received from support@ncf.ca as an attachment.