Ubuntu Desktop 14.04를 업데이트하거나 업그레이드할 수 없습니다. 갇힌

Ubuntu Desktop 14.04를 업데이트하거나 업그레이드할 수 없습니다. 갇힌
****@****-Inspiron-3537:~$ sudo apt-get update && sudo apt-get upgrade
[sudo] password for ****: 
Err ://security.ubuntu.com trusty-security InRelease                       

Err ://security.ubuntu.com trusty-security Release.gpg                     
  Unable to connect to 192.168.10.1:8080:
Ign s://private-ppa.launchpad.net trusty InRelease                         
Err ://in.archive.ubuntu.com trusty InRelease                              

Err ://in.archive.ubuntu.com trusty-updates InRelease                      

Err ://in.archive.ubuntu.com trusty-backports InRelease                    

Err ://in.archive.ubuntu.com trusty Release.gpg                            
  Unable to connect to 192.168.10.1:8080:
Err ://in.archive.ubuntu.com trusty-updates Release.gpg                    
  Unable to connect to 192.168.10.1:8080:
Err ://in.archive.ubuntu.com trusty-backports Release.gpg                  
  Unable to connect to 192.168.10.1:8080:
Err ://repo.steampowered.com precise InRelease                             

Err ://repo.steampowered.com precise Release.gpg                           
  Unable to connect to 192.168.10.1:8080:
Err ://extras.ubuntu.com trusty InRelease 

Err ://extras.ubuntu.com trusty Release.gpg
  Unable to connect to 192.168.10.1:8080:
3% [Working]. 

내 네트워크가 우분투 업데이트를 허용하지 않거나 우분투 서버가 다운되었습니까?

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