Make sure to backup the original files: Before making any changes to the source, it is recommended to backup the current source files to prevent accidents.
Choose the appropriate source: Depending on your geographical location and network environment, select the appropriate source, such as using a domestic mirror source to speed up download speeds.
Update source list: After making changes to the sources, remember to run the command “sudo apt update” to update the source list and receive the latest software package information.
Verify the reliability of the source: Ensure that the chosen source is trustworthy, avoid using sources of unknown origin to prevent downloading malicious software.
Pay attention to the stability of the source: some sources may not be stable, which can result in software packages not being able to be downloaded or installed properly. It is recommended to choose a stable source.
Avoid frequent source changes: Frequent source changes can potentially lead to system issues, therefore it is recommended to choose a suitable source and avoid changing it frequently.
Follow official recommendations: Follow official documentation or advice to modify sources to ensure system stability and security.