1 | <sect2>
|
---|
2 | <title>Configuring MySQL</title>
|
---|
3 |
|
---|
4 | <sect3>
|
---|
5 | <title>Config files</title>
|
---|
6 |
|
---|
7 | <para><filename>/etc/my.cnf</filename>, <filename>~/.my.cnf</filename></para>
|
---|
8 |
|
---|
9 | </sect3>
|
---|
10 |
|
---|
11 | <sect3>
|
---|
12 | <title>Configuration Information</title>
|
---|
13 |
|
---|
14 | <para>There are several default configurations file available in
|
---|
15 | <filename class="directory">/usr/share/mysql</filename> which you can use.</para>
|
---|
16 |
|
---|
17 | <screen><userinput><command>cp /usr/share/mysql/my-medium.cnf /etc/my.cnf</command>
|
---|
18 | </userinput></screen>
|
---|
19 |
|
---|
20 | <para>We can now install a database and change the ownership to the
|
---|
21 | unpriviledged user and group.</para>
|
---|
22 |
|
---|
23 | <screen><userinput><command>mysql_install_db
|
---|
24 | chown -R mysql:mysql /var/lib/mysql</command></userinput></screen>
|
---|
25 |
|
---|
26 | <para>Further configuration requires that the mysql server be running:</para>
|
---|
27 |
|
---|
28 | <screen><userinput><command>mysqld_safe --user=mysql 2>&1 >/dev/null &</command>
|
---|
29 | </userinput></screen>
|
---|
30 |
|
---|
31 | <para>A default installation does not setup a password for the administrator.
|
---|
32 | So here we will login and set one. We strongly suggest changing
|
---|
33 | 'new-password' to your own.</para>
|
---|
34 |
|
---|
35 | <screen><userinput><command>mysql -uroot mysql
|
---|
36 | Welcome to the MySQL monitor. Commands end with ; or \g.
|
---|
37 | Your MySQL connection id is 2 to server version: 3.23.51-log
|
---|
38 |
|
---|
39 | Type 'help;' or '\h' for help. Type '\c' to clear the buffer.
|
---|
40 |
|
---|
41 | mysql> UPDATE user SET password=password('new-password') WHERE user='root';
|
---|
42 | Query OK, 2 rows affected (0.00 sec)
|
---|
43 | Rows matched: 2 Changed: 2 Warnings: 0
|
---|
44 |
|
---|
45 | mysql> FLUSH PRIVILEGES;
|
---|
46 | Query OK, 0 rows affected (0.00 sec)
|
---|
47 |
|
---|
48 | mysql> EXIT;
|
---|
49 | bye
|
---|
50 | </command></userinput></screen>
|
---|
51 |
|
---|
52 | <para>Now that we are done with the configuration of the server, we can
|
---|
53 | shut it down.</para>
|
---|
54 |
|
---|
55 | <screen><userinput><command>kill `pidof -x mysqld_safe mysqld`</command></userinput></screen>
|
---|
56 |
|
---|
57 |
|
---|
58 | <sect4>
|
---|
59 | <title>MySQL init.d script</title>
|
---|
60 |
|
---|
61 | <para>To automate the running of MySQL, use the following command to create
|
---|
62 | the init.d script:</para>
|
---|
63 |
|
---|
64 | <screen><userinput><command>cat > /etc/rc.d/init.d/mysql << "EOF"
|
---|
65 | #!/bin/bash
|
---|
66 | # Begin $rc_base/init.d/
|
---|
67 |
|
---|
68 | # Based on sysklogd script from LFS-3.1 and earlier.
|
---|
69 | # Rewritten by Gerard Beekmans - gerard@linuxfromscratch.org
|
---|
70 |
|
---|
71 | source /etc/sysconfig/rc
|
---|
72 | source $rc_functions
|
---|
73 |
|
---|
74 | case "$1" in
|
---|
75 | start)
|
---|
76 | echo "Starting MySQL daemon..."
|
---|
77 | /usr/bin/mysqld_safe --user=mysql 2>&1 >/dev/null &
|
---|
78 | evaluate_retval
|
---|
79 | ;;
|
---|
80 |
|
---|
81 | stop)
|
---|
82 | echo "Stopping MySQL daemon..."
|
---|
83 | killproc mysqld
|
---|
84 | ;;
|
---|
85 |
|
---|
86 | restart)
|
---|
87 | $0 stop
|
---|
88 | sleep 1
|
---|
89 | $0 start
|
---|
90 | ;;
|
---|
91 |
|
---|
92 | status)
|
---|
93 | statusproc /usr/sbin/mysqld
|
---|
94 | ;;
|
---|
95 |
|
---|
96 | *)
|
---|
97 | echo "Usage: $0 {start|stop|restart|status}"
|
---|
98 | exit 1
|
---|
99 | ;;
|
---|
100 | esac
|
---|
101 |
|
---|
102 | # End $rc_base/init.d/
|
---|
103 | EOF
|
---|
104 | chmod 755 /etc/rc.d/init.d/mysql</command></userinput></screen>
|
---|
105 |
|
---|
106 | <para>Create the symbolic links to this file in the relevant
|
---|
107 | <filename class="directory">rc.d</filename> directory
|
---|
108 | with the following commands:</para>
|
---|
109 |
|
---|
110 | <screen><userinput><command>cd /etc/rc.d/init.d &&
|
---|
111 | ln -sf ../init.d/mysql ../rc0.d/K26mysql &&
|
---|
112 | ln -sf ../init.d/mysql ../rc1.d/K26mysql &&
|
---|
113 | ln -sf ../init.d/mysql ../rc2.d/K26mysql &&
|
---|
114 | ln -sf ../init.d/mysql ../rc3.d/S34mysql &&
|
---|
115 | ln -sf ../init.d/mysql ../rc4.d/S34mysql &&
|
---|
116 | ln -sf ../init.d/mysql ../rc5.d/S34mysql &&
|
---|
117 | ln -sf ../init.d/mysql ../rc6.d/K26mysql</command></userinput></screen>
|
---|
118 |
|
---|
119 | </sect4>
|
---|
120 |
|
---|
121 | </sect3>
|
---|
122 |
|
---|
123 | </sect2>
|
---|