zoe@zoe-VirtualBox:~$ mysqld_safe --skip-grant-tables
201120 10:59:03 mysqld_safe Logging to '/var/log/mysql/error.log'.
/usr/bin/mysqld_safe: 138: cannot create /var/log/mysql/error.log: Permission denied
201120 10:59:03 mysqld_safe Starting mysqld daemon with databases from /var/lib/mysql
/usr/bin/mysqld_safe: 138: cannot create /var/log/mysql/error.log: Permission denied
/usr/bin/mysqld_safe: 1: eval: cannot create /var/log/mysql/error.log: Permission denied
201120 10:59:03 mysqld_safe mysqld from pid file /var/run/mysqld/mysqld.pid ended
/usr/bin/mysqld_safe: 138: cannot create /var/log/mysql/error.log: Permission denied
zoe@zoe-VirtualBox:~$ mysql -u root mysql
ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2)
zoe@zoe-VirtualBox:~$ mysql -u root
ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2)