1 | <?xml version="1.0" encoding="ISO-8859-1"?> |
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2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN" |
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3 | "http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd" [ |
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4 | <!ENTITY % general-entities SYSTEM "../../general.ent"> |
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5 | %general-entities; |
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6 | ]> |
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7 | |
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8 | <sect1 id="ch-bootable-fstab"> |
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9 | <?dbhtml filename="fstab.html"?> |
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10 | |
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11 | <title>Creating the /etc/fstab File</title> |
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12 | |
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13 | <indexterm zone="ch-bootable-fstab"> |
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14 | <primary sortas="e-/etc/fstab">/etc/fstab</primary> |
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15 | </indexterm> |
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16 | |
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17 | <para os="a">The <filename>/etc/fstab</filename> file is used by some |
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18 | programs to determine where file systems are to be mounted by default, |
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19 | in which order, and which must be checked (for integrity errors) prior |
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20 | to mounting. Create a new file systems table like this:</para> |
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21 | |
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22 | <screen><userinput>cat > ${LFS}/etc/fstab << "EOF" |
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23 | <literal># Begin /etc/fstab |
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24 | |
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25 | # file system mount-point type options dump fsck |
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26 | # order |
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27 | |
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28 | /dev/<replaceable>[xxx]</replaceable> / <replaceable>[fff]</replaceable> defaults 1 1 |
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29 | /dev/<replaceable>[yyy]</replaceable> swap swap pri=1 0 0 |
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30 | proc /proc proc defaults 0 0 |
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31 | sysfs /sys sysfs defaults 0 0 |
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32 | devpts /dev/pts devpts gid=10,mode=620 0 0 |
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33 | shm /dev/shm tmpfs defaults 0 0 |
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34 | # End /etc/fstab</literal> |
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35 | EOF</userinput></screen> |
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36 | |
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37 | <para os="b">Replace <replaceable>[xxx]</replaceable>, |
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38 | <replaceable>[yyy]</replaceable>, and <replaceable>[fff]</replaceable> |
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39 | with the values appropriate for the system, for example, <filename |
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40 | class="partition">hda2</filename>, <filename |
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41 | class="partition">hda5</filename>, and <systemitem |
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42 | class="filesystem">ext2</systemitem>. For details on the six |
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43 | fields in this file, see <command>man 5 fstab</command>.</para> |
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44 | |
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45 | <para os="c">The <filename class="directory">/dev/shm</filename> mount point |
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46 | for <systemitem class="filesystem">tmpfs</systemitem> is included to |
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47 | allow enabling POSIX-shared memory. The kernel must have the required |
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48 | support built into it for this to work (more about this is in the next |
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49 | section). Please note that very little software currently uses |
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50 | POSIX-shared memory. Therefore, consider the <filename |
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51 | class="directory">/dev/shm</filename> mount point optional. For more |
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52 | information, see <filename>Documentation/filesystems/tmpfs.txt</filename> |
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53 | in the kernel source tree.</para> |
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54 | |
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55 | </sect1> |
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