Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock code example

Example 1: can't connect to local mysql server through socket '/tmp/mysql.sock' (2)

Try to start the MySQL server:
mysql.server start

Example 2: can't connect to local mysql server through socket '/var/run/mysqld/mysqld.sock'

# this saved my ass
# first  you must perform a graceful shutdown of the server from the command line rather than powering off the server
shutdown -h now

# an additional method for getting it back up again when you run into this problem is to move mysql.sock

# to centos
mv /var/lib/mysql/mysql.sock /var/lib/mysql/mysql.sock.bak

# to ubuntu
mv /var/run/mysqld/mysqld.sock /var/run/mysqld/mysqld.sock.bak

# restart mysql
service mysqld start

Example 3: Can't connect to local MySQL server through socket '/tmp/mysql.sock' (2)

ln -s /private/var/mysql/mysql.sock /tmp/mysql.sock

Example 4: can't connect to local mysql server through socket

Solution #1: Check If MySQL Service is Runnning.
Solution #2: Connect with 127.0. 0.1.
Solution #3: Modify the my. cnf file.
Solution #4: Verify mysql. sock Location.
Solution #5: Change MySQL Folder Permission.
Solution #6: Multiple MySQL Instances.

Example 5: Can't connect to local MySQL server through socket '/tmp/mysql.sock'

sudo /usr/local/mysql/support-files/mysql.server start

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Sql Example