Go to https://sslvpn.demo.sonicwall.com/cgi-bin/welcome log in with
demo/password
Click on NetExtender icon: this will download a tar.gz with the
client.
(Optional) sudo ln -s /lib/x86_64-linux-gnu/libssl.so.1.0.0 /usr/lib/libssl.so.6
(Optional) sudo ln -s /lib/x86_64-linux-gnu/libcrypto.so.1.0.0 /usr/lib/libcrypto.so.6
Untar the client, make install script executable (chmod u+x) and launch install
NB: When executing the installation script, do not allow root access
sudo ./install
--- Dell SonicWALL NetExtender 7.5.761 Installer ---
Checking library dependencies...
Checking pppd...
Do you want non-root users to be able to run NetExtender?
If so, I can set pppd to run as root, but this could be
considered a security risk.
Set pppd to run as root [y/N]? N
You have chosen NOT to allow non-root users to run NetExtender.
Copying files...
------------------------ INSTALLATION SUCCESSFUL -----------------------
To launch NetExtender, do one of the following:
- Click the NetExtender icon under the Applications menu
(look under the 'Internet' or 'Network' category)
or
- Type
netExtenderGui
Solution tested from Ubuntu 13 to 18.04.