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when I run sudo apt-get update command, I got these errors:

E: The repository 'http://in.archive.ubuntu.com/ubuntu zesty-updates 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(8) manpage for repository creation and user configuration details.
E: The repository 'http://in.archive.ubuntu.com/ubuntu zesty-backports 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(8) manpage for repository creation and user configuration details
Ali Razmdideh
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kethan bravo
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    Ubuntu 17.04 is no longer supported, you should upgrade your system to 17.10. – Ali Razmdideh Apr 04 '18 at 20:48
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    Possible duplicate of [How to install software or upgrade from an old unsupported release?](https://askubuntu.com/questions/91815/how-to-install-software-or-upgrade-from-an-old-unsupported-release) – Eliah Kagan Apr 04 '18 at 20:51

1 Answers1

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Zesty is already EOL as per https://wiki.ubuntu.com/Releases My suggestion would be to upgrade to latest supported version of Ubuntu

Also you might take a look here: https://lists.ubuntu.com/archives/ubuntu-announce/2018-January/000227.html

bogdan
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