mysql socket inaccessible by default

[Abel Cheung]

Because mysqld_safe sets umask to 007, all users except root (SYSTEM A/C,NOT MYSQL A/C) can't connect to mysql server. As a side effect, no web application can work unless they use TCP connection.

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user@mari:~$ mysql -u user -p
Enter password:
ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (13)
user@mari:~$ ls -ld /var/run/mysqld
drwxrwx--- 2 mysql root 80 2006-01-26 01:47 /var/run/mysqld
user@mari:~$ sudo chmod o+x /var/run/mysqld
user@mari:~$ mysql -u user -p
Enter password:
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 10 to server version: 5.0.18-Debian_6-log

Type 'help;' or '\h' for help. Type '\c' to clear the buffer.

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