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Full Discussion: Simple script for adding users
Top Forums Shell Programming and Scripting Simple script for adding users Post 302754451 by MadeInGermany on Thursday 10th of January 2013 03:33:05 PM
Old 01-10-2013
There are several traps, e.g. file owner and permissions.
The following is simpler and should be safer:
Code:
copyFiles() {
        old=_old
        cd $4$user
        if [ $? -eq 0 ]; then
                echo "$4$user already exists !"
                printf "%s" "Do you want to overwrite the initial files (y/n):"
                read answer
                if [ "$answer" = "y" -o "$answer" = "Y" ]; then
                        for i in `cat $2`
                        do
                                if [ -e $4$user$i ]; then
                                  echo "backing up to $4$user$i$old"
                                  mv $4$user$i $4$user$i$old &&
                                  cp -p $4$user$i$old $4$user$i
# copied back to restore attributes and to ensure it's a plain file
                                fi
                                cp $3$i $4$user
                        done
                fi
                chmod 700 $4$user
        fi
}

 

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LEARN ABOUT SUSE

iptables-apply

iptables-apply(8)					      System Manager's Manual						 iptables-apply(8)

NAME

       iptables-apply - a safer way to update iptables remotely

SYNOPSIS

       iptables-apply [-hV] [-t timeout] ruleset-file

DESCRIPTION

       iptables-apply  will  try  to  apply  a new ruleset (as output by iptables-save/read by iptables-restore) to iptables, then prompt the user
       whether the changes are okay. If the new ruleset cut the existing connection, the user will not be able to answer  affirmatively.  In  this
       case, the script rolls back to the previous ruleset after the timeout expired. The timeout can be set with -t.

       When called as ip6tables-apply, the script will use ip6tables-save/-restore instead.

OPTIONS

       -t seconds, --timeout seconds
	      Sets the timeout after which the script will roll back to the previous ruleset.

       -h, --help
	      Display usage information.

       -V, --version
	      Display version information.

SEE ALSO

       iptables-restore(8), iptables-save(8), iptables(8).

LEGALESE

       iptables-apply is copyright by Martin F. Krafft.

       This manual page was written by Martin F. Krafft <madduck@madduck.net>

       Permission is granted to copy, distribute and/or modify this document under the terms of the Artistic License 2.0.

								    2006-06-04							 iptables-apply(8)
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