[CentOS] How to relocate $HOME directory

Daniel J Walsh dwalsh at redhat.com
Tue Feb 1 15:46:42 EST 2011


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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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