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author | joerg <joerg@FreeBSD.org> | 1996-10-21 23:54:46 +0000 |
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committer | joerg <joerg@FreeBSD.org> | 1996-10-21 23:54:46 +0000 |
commit | 179cbc5d48c62f73496a417257fe8b97143988b9 (patch) | |
tree | 05dbe531be78bb31c87223aa6cd7e812b69e9cc5 | |
parent | 52fc849c3344ab03891d82fd69048c4d4fee2f68 (diff) | |
download | FreeBSD-src-179cbc5d48c62f73496a417257fe8b97143988b9.zip FreeBSD-src-179cbc5d48c62f73496a417257fe8b97143988b9.tar.gz |
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.
-rw-r--r-- | share/doc/handbook/diskless.sgml | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/share/doc/handbook/diskless.sgml b/share/doc/handbook/diskless.sgml index 5e44be2..b1062ef 100644 --- a/share/doc/handbook/diskless.sgml +++ b/share/doc/handbook/diskless.sgml @@ -1,4 +1,4 @@ -<!-- $Id: diskless.sgml,v 1.5 1996/07/06 14:20:11 joerg Exp $ --> +<!-- $Id: diskless.sgml,v 1.6 1996/09/22 15:40:11 wosch 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 |