The video demonstrates the process of verifying the integrity and authenticity of Linux Mint ISO file downloaded on a Linux System Login to your Linux system Open a web browser Navigate to Linux Mint Official Website https://linuxmint.com to download Linux Mint ISO file Navigate to Download page of latest version of Linux Mint Scroll down the page to choose an edition of your choice or proceed with cinnamon edition if you have no particular choice Choose 34-bit or 64-bit Architecture as per your System Configuration. If you have an old computer then you may choose 32-Bit however mostly its 64-bit nowadays on all modern computers Scroll down the page and choose download mirror nearest to your geographical location Save the ISO file on your computer Wait for the Download to Finish To verify the integrity and authenticity of the ISO file, we will use Linux Mint recommended method to very ISO Click on “verify your ISO” link Scroll down the page and select the version you have downloaded ISO of Linux Mint. Mostly it will be latest version Save the ‘sha256sum.txt’ and ‘shasum256.txt.gpg’ files on your computer in same location as of downloaded ISO file Now Lets perform the Integrity Check first Minimize the Browser and Open a Terminal Change the Present Working Directory to Download Location All 3 files viz. Linux Mint ISO, sha256sum.txt, sha256sum.txt.gpg should be available in this location You may adjust the terminal size to view the list of three files All 3 files viz. Linux Mint ISO, sha256sum.txt, sha256sum.txt.gpg should be available in this location Clear the screen Run sha256sum command to generate SHA256 sum of the downloaded ISO file It may take some time to generate the key as the file size is huge The SHA256 sum is successfully generated Now open a Libre Office Calc file to compare it with sum provided on Linux Mint website Label the cells to define positions for copying SHA256 Sum values Now copy the SHA256 sum generated in Terminal and paste in Calc sheet Now label cell to define cell for pasting value given in sha256sum.txt file Do not forget to save the file Minimize the terminal and Calc sheet and go to Download location Open ‘SHA256sum.txt’ file The SHA256 Sum for all available edition and architectures are present in this file Choose the key which is associated with the version you have downloaded Copy it and Paste in Calc sheet Use ‘=’ operator to compare both keys The result is ‘True’, thus the keys are matched and Integrity of the ISO file is verified Minimize all windows and go back to Linux Mint website We have verified the Integrity, now lets check the authenticity of the SHA256sum.txt file To import Linux Mint signing key, copy the given command and paste and run it in terminal The Linux Mint Key is successfully imported Now lets verify the Key with given key on Linux Mint website Copy the verify command, paste and run it on terminal Good Signature message ensures first step check of authenticity as per official recommendation of Linux Mint Now lets perform the second step of Authenticity check by matching the signing keys Open Calc Sheet and Label cells to put in the keys for comparison Copy signing from Linux Mint website and paste it in calc sheet Clear all formatting and change the value to plain text Label cell for Key imported in Terminal Copy the key from Terminal and paste it in Calc Sheet It appears the Length of this key is bigger than the key provided on Linux Mint website Check for and remove any extra white spaces in the key as recommended officially by Linux Mint The lengths are now matched Use ‘=’ operator to compare both keys The result is ‘True’, thus the keys are matched and Authenticity of SHA256sum.txt file is verified Thanks for Watching. Hope you find it useful. If yes, then don’t Forget to Like, Comment and Share the Video. Subscribe the channel to receive latest Updates.