1 | <sect2>
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2 | <title>Configuring <application>My<acronym>SQL</acronym></application></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 class="directory">/usr/share/mysql</filename> which you can use.</para>
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16 |
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17 | <screen><userinput><command>cp /usr/share/mysql/my-medium.cnf /etc/my.cnf</command></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 | unprivileged user and group.</para>
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21 |
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22 | <screen><userinput><command>mysql_install_db &&
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23 | chown -R mysql:mysql /var/lib/mysql</command></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><command>mysqld_safe --user=mysql 2>&1 >/dev/null &</command></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 set one. Replace <replaceable>[new-password]</replaceable>
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31 | with your own.</para>
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32 |
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33 | <!--
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34 | <screen><userinput><command>mysql -uroot mysql</command></userinput>
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35 | Welcome to the MySQL monitor. Commands end with ; or \g.
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36 | Your MySQL connection id is 2 to server version: 3.23.51-log
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37 |
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38 | Type 'help;' or '\h' for help. Type '\c' to clear the buffer.
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39 |
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40 | <prompt>mysql></prompt> <userinput><command>UPDATE user SET password=password('<replaceable>new-password</replaceable>') WHERE user='root';</command></userinput>
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41 | Query OK, 2 rows affected (0.00 sec)
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42 | Rows matched: 2 Changed: 2 Warnings: 0
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43 |
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44 | <prompt>mysql></prompt> <userinput><command>FLUSH PRIVILEGES;</command></userinput>
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45 | Query OK, 0 rows affected (0.00 sec)
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46 |
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47 | <prompt>mysql></prompt> <userinput><command>EXIT;</command></userinput>
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48 | bye
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49 | </screen>
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50 | -->
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51 |
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52 | <screen><userinput><command>mysqladmin -u root password <replaceable>[new-password]</replaceable></command></userinput></screen>
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53 |
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54 | <para>Now that we are done with the configuration of the server, we can
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55 | shut it down.</para>
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56 |
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57 | <screen><userinput><command>mysqladmin -p shutdown</command></userinput></screen>
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58 |
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59 | <para>To automate the running of <application>My<acronym>SQL</acronym></application>, 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><command>cat > /etc/rc.d/init.d/mysql << "EOF"</command>
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63 | #!/bin/sh
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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 | . /etc/sysconfig/rc
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70 | . $rc_functions
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71 |
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72 | pid_file=/var/lib/mysql/`/bin/hostname`.pid
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73 |
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74 | case "$1" in
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75 | start)
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76 | echo "Starting MySQL daemon..."
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77 | failure=0
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78 | if test -f "$pid_file"
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79 | then
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80 | if /bin/ps p `cat $pid_file` | grep mysqld >/dev/null
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81 | then
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82 | print_status warning running
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83 | exit 0
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84 | else
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85 | rm -f $pid_file
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86 | if test -f $pid_file
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87 | then
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88 | failure=1
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89 | fi
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90 | fi
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91 | fi
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92 | if [ $failure = 1 ]
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93 | then
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94 | print_status failure
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95 | else
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96 | /usr/bin/mysqld_safe --user=mysql 2>&1 >/dev/null &
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97 | evaluate_retval
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98 | fi
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99 | ;;
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100 |
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101 | stop)
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102 | echo "Stopping MySQL daemon..."
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103 | if test -s "$pid_file"
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104 | then
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105 | kill `cat $pid_file`
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106 | sleep 1
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107 | failure=0
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108 | while [ -s $pid_file -a "$flags" != aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa ]
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109 | do
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110 | [ -z "$flags" ]
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111 | flags=a$flags
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112 | sleep 1
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113 | done
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114 | if [ -s $pid_file ]
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115 | then failure=1
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116 | fi
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117 | (exit $failure)
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118 | evaluate_retval
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119 | else
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120 | print_status warning not_running
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121 | fi
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122 | ;;
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123 |
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124 | restart)
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125 | $0 stop
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126 | sleep 1
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127 | $0 start
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128 | ;;
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129 |
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130 | status)
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131 | statusproc /usr/sbin/mysqld
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132 | ;;
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133 |
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134 | *)
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135 | echo "Usage: $0 {start|stop|restart|status}"
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136 | exit 1
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137 | ;;
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138 | esac
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139 |
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140 | # End $rc_base/init.d/
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141 | <command>EOF
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142 | chmod 755 /etc/rc.d/init.d/mysql</command></userinput></screen>
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143 |
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144 | <para>Create the symbolic links to this file in the relevant
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145 | <filename class="directory">rc.d</filename> directory
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146 | with the following commands:</para>
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147 |
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148 | <screen><userinput><command>cd /etc/rc.d/init.d &&
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149 | ln -sf ../init.d/mysql ../rc0.d/K26mysql &&
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150 | ln -sf ../init.d/mysql ../rc1.d/K26mysql &&
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151 | ln -sf ../init.d/mysql ../rc2.d/K26mysql &&
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152 | ln -sf ../init.d/mysql ../rc3.d/S34mysql &&
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153 | ln -sf ../init.d/mysql ../rc4.d/S34mysql &&
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154 | ln -sf ../init.d/mysql ../rc5.d/S34mysql &&
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155 | ln -sf ../init.d/mysql ../rc6.d/K26mysql</command></userinput></screen>
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156 |
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157 | </sect3>
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158 |
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159 | </sect2>
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