vps is blocked to access google scholar

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vps is blocked

open ipv6 switch and turn on ipv6 usage of vps

add ipv6 address of google scholar in host file

## google scholar
2404:6800:4008:c06::be scholar.google.com
2404:6800:4008:c06::be scholar.google.com.hk
2404:6800:4008:c06::be scholar.google.com.tw
2401:3800:4001:10::101f scholar.google.cn #www.google.cn

like me, my vps is at india, so I add to the host file

2404:6800:4008:c06::be scholar.google.co.in

the exact domain name of google scholar varies from different contries.
copy the domain name when you access the google scholar.

finally, restart vpn process.