Steps to install new VPN client for UBUNTU without upgrading the ADC

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1. Replace the file nsgclient18_64.deb in /var/netscaler/gui/vpn/scripts/linux/ on ADC
2. Open /var/netscaler/gui/vpn/scripts/linux/clientversions.xml  
3. Replace the following line (line number 8) with new version.

    <component pkgname="nsgclient18" currentversion="1.0.0.143" minversion="1.0.0.143" ostype="ubuntu64" minkernelve    rsion="3.0" maxkernelversion="5.0" updatetype="compatible" action="/vpn/scripts/linux/nsgclient18_64.deb" />

    to 

    <component pkgname="nsgclient18" currentversion="1.0.0.146" minversion="1.0.0.146" ostype="ubuntu64" minkernelve    rsion="3.0" maxkernelversion="5.0" updatetype="compatible" action="/vpn/scripts/linux/nsgclient18_64.deb" />

4. Run the command "set vpn parameter -clientversions all" on ADC
5. The clients should be able to install the new version of Ubuntu VPN client.


FIXES :

1. Ubuntu plugin crashes if files larger than 3GB are transferred through the VPN.
2. Added dependency of package resolvconf on installation.