{Li C Zhao}

• Download vpnclient-linux-4.8.00.0490-k9.tar.gz and extract it to your home directory
  • $ tar xvfz vpnclient-linux-4.8.00.0490-k9.tar.gz ~

• Download the patch to your home directory and patch the installer.
  • $ cd ~/vpnclient
  • $ patch < ../vpnclient-linux-2.6.22.diff

• Installing the VPN Client
  • $ sudo ./vpn_install

• Starting VPN Client service
  • $ sudo /etc/init.d/vpnclient_init start

• Copy VPN Profiles to /etc/opt/cisco-vpnclient/Profiles/ and changes permission of the *.pcf files
  • $ chmod 777 /etc/opt/cisco-vpnclient/Profiles/*.pcf

• Last change permission of vpn daemon (this allow regular user to use vpn client without sudo)
  • $ sudo chmod 4111 /opt/cisco-vpnclient/bin/cvpnd

• To connect to your <VPNProfile>.pcf do the following command
  • $ vpnclient connect <VPNProfile>

Reference: http://www.longren.org