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																# ubuntu | 
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																# ubuntu | 
															
														
														
													
														
															
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																Issues related to Ubuntu OS or related distributions | 
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																Issues related to Ubuntu OS or related distributions | 
															
														
														
													
														
															
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																## apt errors | 
															
														
														
													
														
															
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																If you want to delete an wrong or non-working repository you can listed and delete by going to: | 
															
														
														
													
														
															
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																``` | 
															
														
														
													
														
															
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																$ cd /etc/apt/sources.list.d | 
															
														
														
													
														
															
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																$ ls  | 
															
														
														
													
														
															
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																docker.list  elementary.list  owncloud.list  patches.list | 
															
														
														
													
														
															
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																``` | 
															
														
														
													
														
															
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																and you can remove with `rm` commad, in my case I added by error the owncloud repository, thus, I have to remove it: | 
															
														
														
													
														
															
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