Difference between "/etc/apt/sources.list.d/ubuntu.sources" and "/etc/apt/sources.list"

May 15, 2024146

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Both /etc/apt/sources.list and /etc/apt/sources.list.d are used to store the addresses of servers for Ubuntu software updates. They have the same format, starting with deb or deb-src followed by the source URL, distribution code name, and package category. The difference is that /etc/apt/sources.list is a single file, while /etc/apt/sources.list.d is a directory where multiple .list files can be created for different sources, typically used for third-party software installations. APT automatically reads all files in the sources.list.d directory and merges them into sources.list, eliminating the need for manual editing of the sources.list file.

Common Points: These files are used to store the addresses of Ubuntu software update source servers. They all have the same format, starting with deb or deb-src, followed by the source URL, distribution code name, and software package category.#

Differences: /etc/apt/sources.list is a single file, while /etc/apt/sources.list.d is a directory where multiple files with the .list extension can be created. Each file can contain different source addresses, usually used for installing third-party software. APT automatically reads all files in this directory and merges them into sources.list, so manual modification of the sources.list file is not necessary.#