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

i am unable to understand, how to resolve this ?

  • Search is your friend. Read this – hmayag Feb 22 '16 at 8:47
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Solutions for this:

#services mysql start
or 
#/etc/init.d/mysql start
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I have similar problem, when i re-installed mysql-5.7 in Ubuntu 16.04 LTS note) problem appeared after updating from Ubuntu 15 to Ubuntu 16.04, i also had to abandon my existing database. Still no help from Ubuntu. after uninstallation and

sudo apt-get --purge remove mysql
sudo apt-get autoremove

sudo rm -rf /var/lib/mysql
sudo rm -rf /etc/mysql
sudo rm -rf /var/log/mysql.*
sudo rm -rf /var/log/mysql
sudo dpkg --force-depends -P `dpkg -l |awk '/mysql/{print $2}'`

i reinstalled with:

sudo apt-get purge mysql-apt-config && sudo apt-get install mysql-server

Mysql ERROR 2002 (HY000) still remain But following suggestions solve the problem:

sudo apt-get purge dbconfig-mysql

then

sudo apt-get autoremove 

then

sudo apt-get install -f 

then finally

sudo apt-get install lamp-server^ phpmyadmin

Re-Re-Updating the Ubuntu-kernel(2x) solved the problem.

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