Quick tuning openconnect.txt

# Fix DNS (for Linux)
sudo dpkg-reconfigure resolvconf

# Find execute command
which openconnect
/usr/sbin/openconnect

# Allow members of group sudo to execute openconnect without passwd
sudo visudo
Add the follow string
Cmnd_Alias KILLVPN = /usr/bin/kill $(cat ~/.vpn-pid)
# Allow members of group sudo to execute openconnect without passwd
%sudo   ALL=(ALL) NOPASSWD: /usr/sbin/openconnect, KILLVPN

# Add func to your shell
to-evilcorp-vpn () {
    if [[ $@ == "up" ]]; then
        sudo openconnect vpn.contoso.com -u username@contoso.com -b --pid-file ~/.vpn-pid
    elif
       [[ $@ == "down" ]]; then
        sudo kill $(cat ~/.vpn-pid)
    else
        echo -n "Error: unknown argument. Use either up or down."
    fi
}


# https://habr.com/ru/post/479034/
# https://habr.com/ru/post/547830/
# https://gist.github.com/moklett/3170636