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mysql數(shù)據(jù)庫默認(rèn)安裝在/var/lib/mysql下，現(xiàn)在把數(shù)據(jù)庫遷到/data/mysql下，啟動報這個錯誤，是什么原因：

Warning: World-writable config file '/etc/my.cnf' is ignored

Starting MySQL.Warning: World-writable config file '/etc/my.cnf' is ignored

Warning: World-writable config file '/etc/my.cnf' is ignored

touch: cannot touch `/data/mysql/localhost.localdomain.err': Permission denied

chmod: cannot access `/data/mysql/localhost.localdomain.err': Permission denied

touch: cannot touch `/data/mysql/localhost.localdomain.err': Permission denied

chown: cannot access `/data/mysql/localhost.localdomain.err': Permission denied

/usr/bin/mysqld_safe: line 138: /data/mysql/localhost.localdomain.err: Permission denied

rm: cannot remove `/data/mysql/localhost.localdomain.pid': Permission denied

/usr/bin/mysqld_safe: line 182: /data/mysql/localhost.localdomain.err: Permission denied

touch: cannot touch `/data/mysql/localhost.localdomain.err': Permission denied

chown: cannot access `/data/mysql/localhost.localdomain.err': Permission denied

chmod: cannot access `/data/mysql/localhost.localdomain.err': Permission denied

/usr/bin/mysqld_safe: line 138: /data/mysql/localhost.localdomain.err: Permission denied

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