Unable to create socket: Permission denied

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I have been trying to enter the PDF document viewer that comes by default in deepin (evince) and I see this error 

Unable to init server: Unable to create socket: Permission denied 
Cannot parse arguments: Cannot open display:

I guess it may be due to some damage in the sockets because also when I want to enter mysql I get the following error 

ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2)

I hope someone can help me.

    
asked by Christian Eduardo Amaya Rivas 04.12.2018 в 00:09
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1 answer

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Check if you have installed mysql-server 

sudo apt list --installed | grep mysql-server

If not, install it.

If you already have it installed, then (re) start the service with. 

sudo service mysql start  # o "restart"
    
answered by 05.12.2018 в 12:16
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