[sagher]

i reboot vps and run clean command. after then again repeat update command. now got this at the end

root@xxxxxxxxxx:~# apt-get clean all
root@xxxxxxxxxx:~# apt-get update
Hit:1 http://deb.debian.org/debian testing InRelease
Hit:2 http://deb.debian.org/debian testing-updates InRelease
Ign:3 https://packages.sury.org/php stretch InRelease
Hit:4 http://deb.debian.org/debian-security testing/updates InRelease
Ign:5 https://packages.sury.org/php stretch Release
Ign:6 https://packages.sury.org/php stretch/main amd64 Packages
Ign:7 https://packages.sury.org/php stretch/main all Packages
Ign:8 https://packages.sury.org/php stretch/main Translation-en
Ign:6 https://packages.sury.org/php stretch/main amd64 Packages
Ign:7 https://packages.sury.org/php stretch/main all Packages
Ign:8 https://packages.sury.org/php stretch/main Translation-en
Ign:6 https://packages.sury.org/php stretch/main amd64 Packages
Ign:7 https://packages.sury.org/php stretch/main all Packages
Ign:8 https://packages.sury.org/php stretch/main Translation-en
Ign:6 https://packages.sury.org/php stretch/main amd64 Packages
Ign:7 https://packages.sury.org/php stretch/main all Packages
Ign:8 https://packages.sury.org/php stretch/main Translation-en
Ign:6 https://packages.sury.org/php stretch/main amd64 Packages
Ign:7 https://packages.sury.org/php stretch/main all Packages
Ign:8 https://packages.sury.org/php stretch/main Translation-en
Err:6 https://packages.sury.org/php stretch/main amd64 Packages
 The HTTP server sent an invalid reply header
Ign:7 https://packages.sury.org/php stretch/main all Packages
Ign:8 https://packages.sury.org/php stretch/main Translation-en
Reading package lists... Done
W: The repository 'https://packages.sury.org/php stretch Release' does not have a Release file.
N: Data from such a repository can't be authenticated and is therefore potentially dangerous to use.
N: See apt-secure(8) manpage for repository creation and user configuration details.
E: Failed to fetch https://packages.sury.org/php/dists/stre...4/Packages  The HTTP server sent an invalid reply header
E: Some index files failed to download. They have been ignored, or old ones used instead.

@Hidden Refuge

_____________________________________________________________

Added quotation tags - @sagher - please remember to add quotes when the content is not personally written by you.  And copied and pasted. @deanhills