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1 | <?xml version="1.0" encoding="ISO-8859-1"?>
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2 | <!DOCTYPE sect1 [
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3 | ]>
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4 | <sect1 id="ch-system-kernfs">
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5 | <title>Mounting virtual kernel file systems</title>
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6 | <?dbhtml filename="kernfs.html"?>
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7 |
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8 | <para>Various file systems exported by the kernel don't exist at all on your
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9 | hard drive, but are used to communicate things to and from the kernel itself.</para>
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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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20 | <para>Remember that if for any reason you stop working on your LFS, and start
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21 | again later, it's important to check that these file systems are mounted again
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22 | before entering the chroot environment, otherwise problems could occur.</para>
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23 |
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24 | <para>Shortly, we'll be mounting a few more file systems from within the chroot
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25 | environment. To keep the host up-to-date, we'll do a <quote>fake mount</quote>
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26 | for each of these now:</para>
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27 |
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28 | <screen><userinput>mount -f -t ramfs ramfs $LFS/dev
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29 | mount -f -t tmpfs tmpfs $LFS/dev/shm
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30 | mount -f -t devpts -o gid=4,mode=620 devpts $LFS/dev/pts</userinput></screen>
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31 |
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32 | </sect1>
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