Смотрим версию:
[12:40][root@ххх:/]# /usr/libexec/mysqld -V
/usr/libexec/mysqld Ver 5.0.51a-log for redhat-linux-gnu on x86_64 (Source distribution)1.
[12:40][root@ххх:/]# /etc/init.d/mysqld stop
Stopping MySQL: [ OK ]
[12:42][root@ххх:/]# ps ax|grep sql
9924 pts/0 S+ 0:00 grep sql
[12:43][root@ххх:/]#
2.
Закоментировал:
[mysqld].
#datadir=/var/lib/mysql.
#socket=/var/lib/mysql/mysql.sock.
user=mysql-user
old_passwords=1.
log=/var/log/mysql/mysql.log.
[mysqld_safe].
log-error=/var/log/mysql/mysqld.log.
pid-file=/var/run/mysqld/mysqld.pid
3. Група mysql-user есть. Команды выполнил.
4. Пид и сокета небыло.
5. Запускаю:
[12:50][root@ххх:/]# /usr/libexec/mysqld --basedir=/usr --datadir=/var/lib/mysql --user=mysql-user --pid-file=/var/run/mysqld/mysqld.pid --socket=/var/lib/mysql/mysql.sock
081121 12:51:04 InnoDB: Started; log sequence number 0 43655
081121 12:51:04 [ERROR] /usr/libexec/mysqld: Can't create/write to file '/var/run/mysqld/mysqld.pid' (Errcode: 13)
081121 12:51:04 [ERROR] Can't start server: can't create PID file: Permission denied
6.
[12:52][root@ххх:/]# ls -lah /var/lib/mysql
total 21M
drwxr-xr-x 7 mysql-user mysql-user 4.0K 2008-11-21 12:51 .
drwxr-xr-x 40 root root 4.0K 2008-11-16 13:22 ..
-rw-rw---- 1 mysql-user mysql-user 10M 2008-11-21 12:42 ibdata1
-rw-rw---- 1 mysql-user mysql-user 5.0M 2008-11-21 12:51 ib_logfile0
-rw-rw---- 1 mysql-user mysql-user 5.0M 2008-11-16 13:24 ib_logfile1
drwx------ 2 mysql-user mysql-user 12K 2008-11-18 00:47 joomla
drwx------ 2 mysql-user mysql-user 4.0K 2008-11-16 13:24 mysql
srwxrwxrwx 1 mysql-user mysql-user 0 2008-11-21 12:51 mysql.sock
drwx------ 2 mysql-user mysql-user 4.0K 2008-11-16 13:24 test
[12:53][root@ххх:/]# ls -lah /var/log/mysql
total 1016K
drwxr-xr-x 2 mysql-user mysql-user 4.0K 2008-11-21 01:51 .
drwxr-xr-x 19 root root 4.0K 2008-11-21 04:08 ..
-rw-r----- 1 mysql-user mysql-user 1.1K 2008-11-21 12:42 mysqld.log
-rwxrwxrwx 1 mysql-user mysql-user 999K 2008-11-21 12:51 mysql.log
[12:54][root@ххх:/]# ls -lah /var/run/mysqld
total 8.0K
drwxrwxrwx 2 mysql-user mysql-user 4.0K 2008-11-21 12:42 .
drwxrwx--- 28 root root 4.0K 2008-11-21 12:12 ..
