LinuxCNC 2.9.2更新数据sudo apt update错误问题

苏晨

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#最后分别执行下面4行代码

1. 
   
2. 
   
3. apt install curl
   
4. 
   
5. export KEYRING=/usr/share/keyrings/etherlab.gpg
   
6. 
   
7. curl -fsSL https://download.opensuse.org/repositories/science:/EtherLab/Debian_12/Release.key | gpg --dearmor | sudo tee "$KEYRING" >/dev/null
   
8. 
   
9. echo "deb [signed-by=$KEYRING] https://download.opensuse.org/repositories/science:/EtherLab/Debian_12/ ./" | sudo tee /etc/apt/sources.list.d/etherlab.list > /dev/null
   

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