The apt get of Ubuntu uses domestic sources

Time:2020-12-9

1. Copy original file backup

sudo cp /etc/apt/sources.list /etc/apt/sources.list.bak

2. Open the official website of Tsinghua UniversityHelp for using Ubuntu image

The apt get of Ubuntu uses domestic sources

3. Copy the contents in the box below to open your own Ubuntu system.

4. Replace the contents in the box with the original contents

sudo gedit /etc/apt/sources.list

5. Update, after the update, you can use the domestic source.

sudo apt-get update

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