wget http://ccnet.ntu.edu.tw/vpn/Download/ps-pulse-linux-9.1r12.0-b10247-64-bit-installer.deb

sudo apt install libnss3-tools libcurl4

sudo dpkg --install ps-pulse-linux-9.1r12.0-b10247-64-bit-installer.deb

/opt/pulsesecure/bin/pulseUI

user@ubuntu20:~$ wget http://140.112.2.208/ps-pulse-linux-9.1r9.0-b255-ubuntu-debian-64-bit-installer.deb 
--2021-04-09 08:58:54--  http://140.112.2.208/ps-pulse-linux-9.1r9.0-b255-ubuntu-debian-64-bit-installer.deb
Connecting to 140.112.2.208:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 40244826 (38M) [text/plain]
Saving to: ps-pulse-linux-9.1r9.0-b255-ubuntu-debian-64-bit-installer.deb
ps-pulse-linux-9.1r9.0-b255-ubunt 100%[===========================================================>]  38.38M  9.19MB/s    in 4.1s
2021-04-09 08:58:58 (9.34 MB/s) - ns-pulse-linux-9.1r9.0-b255-ubuntu-debian-64-bit-installer.deb saved [40244826/40244826] 

user@ubuntu20:~$ sudo dpkg --install ps-pulse-linux-9.1r9.0-b255-ubuntu-debian-64-bit-installer.deb
[sudo] password for user:
Selecting previously unselected package pulse.
(Reading database ... 163623 files and directories currently installed.)
Preparing to unpack ps-pulse-linux-9.1r9.0-b255-ubuntu-debian-64-bit-installer.deb ...
Unpacking pulse (9.1R9-255) ...
Setting up pulse (9.1R9-255) ...
rm: cannot remove '/usr/local/pulse/libwebp.so.6': No such file or directory

user@ubuntu20:~$ /usr/local/pulse/PulseClient_x86_64.sh install_dependency_packages
Checking for missing dependency packages ...

user@ubuntu20:~$ /usr/local/pulse/pulsesvc -h sslvpn2.ntu.edu.tw -u ±zªº±b¸¹ -r "NTU EMail Account" -U https://sslvpn2.ntu.edu.tw/ 
VPN Password:

³s½u¦¨¥\: µe­±°±¯d¦b¦¹.

¦p±ý¤¤Â_¡A½Ð«ö: Ctrl + C µ²§ôVPN³s½u