Thanks for your quick answer.
I updated to Ubuntu to 20.04, but I still can’t install php8.0-redis tells me this:
Welcome to Ubuntu 20.04.6 LTS (GNU/Linux 4.15.0 x86_64)
- Documentation: https://help.ubuntu.com
- Management: https://landscape.canonical.com
- Support: Ubuntu Pro | Ubuntu
root@vpsfideo:~# sudo apt install php8.0-redis
Reading package lists… Done
Building dependency tree
Reading state information… Done
E: Unable to locate package php8.0-redis
E: Couldn’t find any package by glob ‘php8.0-redis’
i don’t know why.
Once again, thank you for your prompt response.