Hi,

my user "warker" has a script in /home/warker/scr/bak with the following content:

#!/bin/sh
echo Database Backup
pg_dumpall -Uwww > /home/wagner/bak/dbs.sql

When I call this script as user warker, it works fine.

However, there is a system-wide backup script /root/scr/bak with the
following contents:

#!/bin/sh
echo "User Backup"
...
su -c /home/warker/scr/bak warker
...

When I call this script as root, I get the following error:

could not change directory to "/root": Permission denied

I found that this error is caused by pg_dumpall, which is a script.

What's the problem here?

Thanks
Magnus

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On 31.03.2016 03:43, Magnus Warker wrote:

Hi,

my user "warker" has a script in /home/warker/scr/bak with the following content:

#!/bin/sh
echo Database Backup
pg_dumpall -Uwww > /home/wagner/bak/dbs.sql

When I call this script as user warker, it works fine.

However, there is a system-wide backup script /root/scr/bak with the following contents:

#!/bin/sh
echo "User Backup"
...
su -c /home/warker/scr/bak warker
...

When I call this script as root, I get the following error:

could not change directory to "/root": Permission denied

I found that this error is caused by pg_dumpall, which is a script.

What's the problem here?

Your environment most likely carries around the original value of HOME.
I'd try sudo for a change.

Kind regards

robert

--
remember.guy do |as, often| as.you_can - without end http://blog.rubybestpractices.com/

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Ok, thanks! :-)

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