On 01/12/2016 04:38, Douglas R. Reno wrote:
Hello,
Upon trying to run the newaliases command in the Configuration
Information page, I'll get the following error:
newaliases: cannot open /etc/mail/aliases: Group writable file
For context, these are the commands that I ran (similar to the book):
renodr [ /sources ]$ su
Password:
root [ /sources ]# echo $(hostname) > /etc/mail/local-host-names
root [ /sources ]# cat > /etc/mail/aliases << "EOF"
> postmaster: root
> MAILER-DAEMON: root
>
> EOF
root [ /sources ]# newaliases
newaliases: cannot open /etc/mail/aliases: Group writable file
root [ /sources ]#
In order to fix this, I had to run something similar to:
root [ /sources ]# chmod -v 644 /etc/mail/aliases
mode of '/etc/mail/aliases' changed from 0664 (rw-rw-r--) to 0644
(rw-r--r--)
root [ /sources ]# newaliases
/etc/mail/aliases: 2 aliases, longest 4 bytes, 31 bytes total
I propose adding the "chmod -v 644 /etc/mail/aliases" command to the
book.
I'd like to ask for comments / suggestions before I put it in there
myself.
I guess it is an "umask" problem. Normally, if your bash startup files
are set as in the book, umask should be 022 when you are root, and no
additional instruction should be necessary. OTOH, maybe su does not run
the bash startup files...
Regards
Pierre
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