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I've read the question How do I install a .tar.gz (or .tar.bz2) file? But it is said that after extracting, I should have files like install, install.txt or README.

Make sure you read a file called INSTALL, INSTALL.txt, README, or something similar if one was extracted. You can check if such a file exists from the terminal by using the ls command. The file can be opened and read with the command:
xdg-open INSTALL
Where INSTALL is the name of your file. This file will contain the right steps to follow to continue the installation process.

But there's not such file. 7 of the files which contain the word install in their name, have the extension .sh. The file acinstallhelper is in type of a program. There's no file named README

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Sepideh Abadpour
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    Please don't add text as screenshot's. Insert as text and format correctly. – Soren A Sep 04 '18 at 13:15
  • Have you considered just using the AnyConnect compatible VPN client plugins and using your AnyConnect config with that VPN client plugin for NetworkManager? That might be the easier approach. – Thomas Ward Jan 29 '21 at 14:56

2 Answers2

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Well, those are generic instruction for a generic .tgz package.

I found a quite simple guide here on how to specifically install Cisco AnyConnet on Debian/Ubuntu systems.

Daniele Santi
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Cisco AnyConnect How To - Linux

  1. Download the .gz install archive from https://anyconnect.springernature.com to the desktop anyconnect-linux64-4.9.01095-predeploy-k9.tar.gz

  2. Extract the archive to the desktop in the following folder anyconnect-linux64- 4.8.03052-predeploy-k9.tar.gz

  3. Open a terminal window and navigate to the extracted folder in the terminal — for example, cd ~/Desktop/ anyconnect-linux64-4.9.0.1095/vpn

    Type sudo ./vpn_install.sh

    And cd ~/Desktop/ anyconnect-linux64-4.9.0.1095/posture

    Type sudo ./posture_install.sh When prompted enter your root password. Agree to the license agreement. The installation should now start and walk you through the setups.

  4. In some Linux version you might need to install libgtk2.0-0

  5. After installation if you can’t start AnyConnect client you need to reboot your Linux. After successful installation Start Cisco AnnyConnect Secure Mobility Client and type vpn.springernature.com in the line “Ready to connect“ (pic. 1) and click Connect. Then choose “SpringerNature” from the dropdown menu (pic.2) and log on using your AD credentials. After a successful log on all connection entries will be downloaded automatically. Next time when you want to log on choose SpringerNature-Int or other VPN Connection entries depending on where you are located.

Tejas Lotlikar
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hiranmayeeVijay
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  • This is useful, just I think spinger nature isn't needed, as we need to supply the URL of the company, not always spinger nature. Thank you – Benyamin Limanto Aug 01 '23 at 00:57