تنظیم میرور در سیستم عامل ubuntu

cp /etc/apt/sources.list.d/ubuntu.sources /etc/apt/sources.list.d/ubuntu.sources.bak

nano /etc/apt/sources.list.d/ubuntu.sources

Types: deb
URIs: https://linux-mirror.liara.ir/repository/ubuntu
Suites: noble noble-updates noble-backports
Components: main restricted universe multiverse
Signed-By: /usr/share/keyrings/ubuntu-archive-keyring.gpg

Types: deb
URIs: https://linux-mirror.liara.ir/repository/ubuntu-security
Suites: noble-security
Components: main restricted universe multiverse
Signed-By: /usr/share/keyrings/ubuntu-archive-keyring.gpg

apt update