سلام . برای برای آپدیت مخرن نرم اقزار از کد زیر در ترمینال استفاده کردم :
sudo apt-get update
ولی بعد از 300 آدرس عبارت زیر در ترمینال وارد شد :
Reading package lists... Done
E: The repository '
http://security.ubuntu.com/ubuntu zesty-security Release' does no longer have a Release file.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(
manpage for repository creation and user configuration details.
W: The repository '
http://ir.archive.ubuntu.com/ubuntu zesty 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(
manpage for repository creation and user configuration details.
W: The repository '
http://dl.google.com/linux/deb stable 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(
manpage for repository creation and user configuration details.
W: The repository '
http://ir.archive.ubuntu.com/ubuntu zesty-updates 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(
manpage for repository creation and user configuration details.
W: The repository '
http://ir.archive.ubuntu.com/ubuntu zesty-backports 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(
manpage for repository creation and user configuration details.
چگونه مشکلش را برطرف کنم ؟؟