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| author | Joerg Wunsch <joerg@FreeBSD.org> | 1996-10-21 23:54:46 +0000 |
|---|---|---|
| committer | Joerg Wunsch <joerg@FreeBSD.org> | 1996-10-21 23:54:46 +0000 |
| commit | 624d57b30d575bab4fe11a33a5d54d277edf7fca (patch) | |
| tree | 87650ded85dc9ecae40ad153544a52021e7c8dd9 /handbook | |
| parent | 00bddfc91b47a12caa2f47d2c6bf373efff0dc45 (diff) | |
| download | doc-624d57b30d575bab4fe11a33a5d54d277edf7fca.tar.gz doc-624d57b30d575bab4fe11a33a5d54d277edf7fca.zip | |
Suggest using `dd' to create the swapfile for diskless operation, with
the required size, as opposed to simply `touch'ing it. This works
around problems in the -current NFS and/or VFS and/or VM code.
Also hint about restricting the permissions to this file.
Notes
Notes:
svn path=/head/; revision=613
Diffstat (limited to 'handbook')
| -rw-r--r-- | handbook/diskless.sgml | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/handbook/diskless.sgml b/handbook/diskless.sgml index 92ef602085..49e8223aed 100644 --- a/handbook/diskless.sgml +++ b/handbook/diskless.sgml @@ -1,4 +1,4 @@ -<!-- $Id: diskless.sgml,v 1.6 1996-09-22 15:40:11 wosch Exp $ --> +<!-- $Id: diskless.sgml,v 1.7 1996-10-21 23:54:46 joerg Exp $ --> <!-- The FreeBSD Documentation Project --> <sect><heading>Diskless operation<label id="diskless"></heading> @@ -102,13 +102,21 @@ hostname myclient.mydomain <item>If you are swapping over NFS (completely diskless configuration) create a swap file for your client - using touch. If your <tt>swapfs</tt> command has the - argument <tt>/swapfs</tt> as in the example above, - the swapfile for myclient will be called + using <tt>dd</tt>. If your <tt>swapfs</tt> command has the + arguments <tt>/swapfs</tt> and the size 20000 as in the + example above, the swapfile for myclient will be called <tt>/swapfs/swap.X.X.X.X</tt> where <tt>X.X.X.X</tt> is the client's IP addr, eg: <tscreen><verb> -# touch /swapfs/swap.192.1.2.4 +# dd if=/dev/zero of=/swapfs/swap.192.1.2.4 bs=1k count=20000 +</verb></tscreen> + + Also, the client's swap space might contain sensitive + information once swapping starts, so make sure to + restrict read and write access to this file to prevent + unauthorized access: +<tscreen><verb> +# chmod 0600 /swapfs/swap.192.1.2.4 </verb></tscreen> <item> Unpack the root filesystem in the directory the |