Re: How To Create /home on a Network Drive

Anthony Messina <amessina@xxxxxxxxxxxx> writes:
> how does one use their linux laptop like some of the coporate folks
> use their windows laptops?  when they're at the office, they use the
> profile on the server; when they're away, they use the "roaming" copy
> of the profile.

Here is how I do it:

Append this to the end of /etc/sysconfig/autofs after tweaking the IP
addresses and server name to your setup.

#!/bin/sh
###############################################################################
##									     ##
##	File:     autofs-away						     ##
##	Author:   Wolfgang S. Rupprecht <wolfgang@xxxxxxxxx>		     ##
##	Created:  Sun Oct  5 15:00:55 PDT 2008				     ##
##	Contents: autofs automatic switch from using NFS-ed /home to linked  ##
##									     ##
##	Copyright (c) 2008 Wolfgang S. Rupprecht.			     ##
##	All rights reserved.						     ##
##									     ##
##	$Id$								     ##
###############################################################################

# attempt #1 was to use fallback mounts in /etc/autofs.home as such.  This
# caused a very long timeout till the first mount.
# aaron		-fstype=nfs4,hard,intr,nodev,nosuid	arbol.wsrcc.com(1),(10):/u/&

# The second try was to force a choice at boot time via a server name
# set as a variable variable


# append this file to the end of /etc/sysconfig/autofs

HOMENET="192.83.197."
# HOMENET="1.2.3."

HOMESERVER="arbol.wsrcc.com"
# HOMESERVER="192.83.197.1"

if $(ifconfig | grep --quiet $HOMENET)
then
    # echo "Configuring autofs for home."
    echo -n "(home) "
    OPTIONS+="-DHOMESERVER=$HOMESERVER"
else 
    # echo "Configuring autofs for away."
    echo -n "(away) "
    #OPTIONS+="-DHOMESERVER=localhost /etc/auto.master-away"
    OPTIONS+="-DHOMESERVER=localhost"
fi

#
# end
#

Then create /etc/auto.home:

# HOMESERVER is defined in /etc/sysconfig/autofs via a "-Dvar=val"
# define.  it is switched at runtime when the starup script notices
# that we aren't on the home net.

wolfgang	-fstype=nfs4,hard,intr,nodev,nosuid	$HOMESERVER:/u/&
user2	        -fstype=nfs4,hard,intr,nodev,nosuid	$HOMESERVER:/u/&
user3	        -fstype=nfs4,hard,intr,nodev,nosuid	$HOMESERVER:/u/&

#
# end
#

And then reference this file in /etc/auto.master:

#
# for wsrcc homes: uncomment
#
/home	/etc/auto.home
#
# end wsrcc
#
 
Now when the machine is booted at home it uses the home directory on the
server (located at /u/wolfgang) and when booted off-line will use the
local copy of /u/wolfgang.  I periodically merge the laptop and server
versions of things by hand.

This auto.master has other stuff that needs to be snipped out while on
the road one can also have a pared down version of that (as the comment
in /etc/sysconfig/autofs indicates.

-wolfgang
-- 
Wolfgang S. Rupprecht              http://www.full-steam.org/  (ipv6-only)
         You may need to config 6to4 to see the above pages.

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