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