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On 01/31/2011 01:19 PM, Paul Heinlein wrote:
> On Mon, 31 Jan 2011, Soo-Hyun Choi wrote:
>
>> Hi there,
>>
>> As you know, $HOME is generally located at "/home/$username" by default.
>>
>> I would like to re-locate all users' $HOME directories to something
>> like "/export/home/$username" without having a hassle/trouble.
>>
>> Initially, I've thought of just copying them to the new directory
>> (under /export/home/xxx), but guessed it might trouble for the
>> normal use (I'm pretty new to CentOS, although many experiences with
>> Debian/Ubuntu).
>>
>> Is there any good tricks (or caveats) when moving users' home
>> directory cleanly with CentOS? (I'm with CentOS 5.5 x86_64)
>
> For the sake of argument, I'm going to assume that your current /home
> and the new /export/home are on separate disks or partitions. That is,
> you need to make a full copy of the existing directories rather than
> just renaming them.
>
> The following instructions should all be done as root.
>
> 1. rsync -av --delete /home/ /export/home/
>
> 2. Edit /etc/default/useradd so that HOME=/export/home
>
> 3. Run /usr/sbin/genhomedircon
>
> 4. Verify the change in
>
> /etc/selinux/<<SELINUXTYPE>>/contexts/files/file_contexts.homedirs
>
> 5. Make sure that /export/home has the right contect:
>
> semanage fcontext -a -t home_root_t /export/home
>
> 6. Run fixfiles to see if anything is amiss:
>
> /sbin/fixfiles check /export/home
>
> If something fixfile reports errors, use it to fix things:
>
> /sbin/fixfiles restore /export/home
>
> 7. Disable user logins (including your own).
>
> 8. Update /etc/password with new $HOME definitions
>
> 9. Re-run rsync, if necessary, to catch last-minute changes:
>
> rsync -av --delete /home/ /export/home/
>
> 10. Make the older /home/* directories unreadable.
>
> 11. Enable user logins
>
> 12. Tell your users emphatically that they should use $HOME anywhere
> they're tempted to hardwire their home directory path into a
> script. :-)
>
If you are using RHEL6 or its equivalent:
# semanage fcontext -a -t home_root_t /export
# semanage fcontext -a -e /home /export/home
# restorecon -R -v /export/home
# mkdir /export/home
# mv /home/* /export/home/*
# restorecon -R -v /export
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