Question

Solaris 10: autofs for /export/home to /home

Asked by: QLJ

Hi,
I want /home/<user> to point to /export/home/<user>I cant seem to get it working... current config are as code snippets.

Also, is there a way to create the <user> folder upon execution of useradd?

1) ssh to newly created account
Error: Could not chdir to home directory /home/test01: No such file or directory
2) cat /etc/auto_home
+auto_home
* localhost:/export/home/&
 
3)  cat /etc/auto_master
/home          auto_home       -nobrowse
 
4) # svcs | grep -i autofs
online         17:52:04 svc:/system/filesystem/autofs:default
 
5) ls -la /export/home
total 22
drwxr-xr-x   4 root     root         512 May 11 16:00 .
drwxr-xr-x   3 root     sys          512 May  8 16:16 ..
drwx------   2 root     root        8192 May  8 16:16 lost+found
drwxr-xr-x   2 test01   staff        512 May 11 16:00 test01
 
6) cat /etc/passwd
test01:x:5002:10::/home/test01:/bin/sh
 
7) /usr/sbin/mount
:
:
/export/home on /dev/dsk/c1t0d0s5 read/write/setuid/devices/intr/largefiles/logg                                                                             ing/xattr/onerror=panic/dev=800007 on Mon May 11 16:53:48 2009

                                  
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Asked On
2009-05-11 at 03:09:56ID24397374
Topic

Sun Solaris

Participating Experts
1
Points
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Comments
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Answers

 

by: bluPosted on 2009-05-11 at 05:24:36ID: 24353715

So, what happens when you do "cd /home/test01" ?

As for the question about useradd, the answer is "sort of"

If you read the usradd man page, you will see a flag called "-b" which specifies a base directory and one called
"-m" which says to create the directory. Your problem is that you need to create the directory in one place, and
specify the actual string used in another. So to add your user and create the home directory:

useradd -m -b /export/home -u 5002 test01

Then immediately after that succeeds:

usermod -d /home/test01 test01

That will change the home directory to the aut0mount directory.

 

by: QLJPosted on 2009-05-11 at 08:09:46ID: 24355447

cd /home/test01 gives a "does not exist"

does it mean the /export/home/test01 will be created automatically?

 

by: bluPosted on 2009-05-11 at 08:16:56ID: 24355526

The idea is to tell useradd that the home directory is at /export/home/test01 when it creates the directory. Then
once the directory, change the home path to /home/test01. You may need to refresh the autofs service. If not,
it might still be a while before it shows up in /home/test01. And that is only after you get the autofs thing
working in the first place.

 

by: QLJPosted on 2009-05-11 at 23:05:24ID: 24361570

Hmm, seems like I dont need autofs after all... Is there any other added benefits of using such a mapping for /home?

 

by: bluPosted on 2009-05-12 at 05:08:49ID: 24363607

Well, there isn't much use for it on a single system. The advantage comes mainly when you start sharing a home directory over multiple systems.

One possible advantage on a single system comes if it is a server with many users. That way all
the users can have the same home path (/home/username) when the actual directories live on
multiple disk volumes. (/export/home/disk1/username, /export/home/disk2/username).

Other than that, there isn't much point.

20120131-EE-VQP-002

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