Mysql启动错误，请帮忙~

撒哈拉企鹅

出错日志如下
[PHP]040325 00:06:57  mysqld started
040325  0:06:58  Can't start server : Bind on unix socket: Permission denied
040325  0:06:58  Do you already have another mysqld server running on socket: /opt/mysql/var/mysql.sock ?
040325  0:06:58  Aborting

040325  0:06:58  /opt/mysql/libexec/mysqld: Shutdown Complete

040325 00:06:58  mysqld ended

040325 00:08:20  mysqld started
InnoDB: The first specified data file ./ibdata1 did not exist:
InnoDB: a new database to be created!
040325  0:08:20  InnoDB: Setting file ./ibdata1 size to 10 MB
InnoDB: Database physically writes the file full: wait...
040325  0:08:22  InnoDB: Log file ./ib_logfile0 did not exist: new to be created
InnoDB: Setting log file ./ib_logfile0 size to 5 MB
InnoDB: Database physically writes the file full: wait...
040325  0:08:23  InnoDB: Log file ./ib_logfile1 did not exist: new to be created
InnoDB: Setting log file ./ib_logfile1 size to 5 MB
InnoDB: Database physically writes the file full: wait...
InnoDB: Doublewrite buffer not found: creating new
InnoDB: Doublewrite buffer created
InnoDB: Creating foreign key constraint system tables
InnoDB: Foreign key constraint system tables created
040325  0:08:24  InnoDB: Started
040325  0:08:24  Fatal error: Can't open privilege tables: Can't find file: './mysql/host.frm' (errno: 13)
040325  0:08:24  Aborting

040325  0:08:24  InnoDB: Starting shutdown...
040325  0:08:26  InnoDB: Shutdown completed
040325  0:08:26  /opt/mysql/libexec/mysqld: Shutdown Complete

040325 00:08:26  mysqld ended
[/PHP]
我用的是redhat AS 3
安装mysql-4.0.16.tar.gz源码包
请问如何解决？

flameaves

是不是已经默认安装了MYSQL3.X了,并且已经在运行了呢?

撒哈拉企鹅

没有，安装mysql-4.0.16.tar.gz我查过，一项关于sql的也没安装。

撒哈拉企鹅

帮忙啊~