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[9dfc02f] | 1 | <?xml version="1.0" encoding="ISO-8859-1"?>
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| 2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.3//EN" "http://www.oasis-open.org/docbook/xml/4.3/docbookx.dtd">
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| 3 | <sect1 id="ch-system-kernfs">
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| 4 | <title>Mounting virtual kernel file systems</title>
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| 5 | <?dbhtml filename="kernfs.html"?>
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| 6 |
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[ef13657] | 7 | <para>Various file systems exported by the kernel do not exist on the
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| 8 | hard drive, but are used to communicate to and from the kernel
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| 9 | itself.</para>
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[9dfc02f] | 10 |
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| 11 | <para>Begin by creating directories onto which the file systems will be mounted:</para>
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| 12 |
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| 13 | <screen><userinput>mkdir -p $LFS/{proc,sys}</userinput></screen>
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| 14 |
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| 15 | <para>Now mount the file systems:</para>
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| 16 |
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| 17 | <screen><userinput>mount -t proc proc $LFS/proc
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| 18 | mount -t sysfs sysfs $LFS/sys</userinput></screen>
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| 19 |
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[ef13657] | 20 | <para>Remember that if for any reason you stop working on the LFS
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| 21 | system and start again later, it is important to check that these file
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| 22 | systems are mounted again before entering the chroot
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| 23 | environment.</para>
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[9dfc02f] | 24 |
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[ef13657] | 25 | <para>Additional file systems will soon be mounted from within the
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| 26 | chroot environment. To keep the host up-to-date, perform a <quote>fake
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| 27 | mount</quote> for each of these now:</para>
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[9dfc02f] | 28 |
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| 29 | <screen><userinput>mount -f -t ramfs ramfs $LFS/dev
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| 30 | mount -f -t tmpfs tmpfs $LFS/dev/shm
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| 31 | mount -f -t devpts -o gid=4,mode=620 devpts $LFS/dev/pts</userinput></screen>
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| 32 |
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| 33 | </sect1>
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[ef13657] | 34 |
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