pvebanner: overwrite /etc/issue instead of printing to stdout

That way be get the pve banner for all spanned getty.

We also create /etc/lsb-base-logging.sh and set FANCYTTY=0, because this
work better wit bootlogd (no control characters in /var/log/boot.

bin/init.d/pvebanner

@@ -13,7 +13,9 @@
 
 PATH=/sbin:/bin:/usr/bin:/usr/sbin
 
-test -f $PVEDAEMON || exit 0
+test -f /usr/bin/pvebanner || exit 0
+
+test -f /etc/lsb-base-logging.sh || echo "FANCYTTY=0" >/etc/lsb-base-logging.sh 
 
 case "$1" in
     start)

bin/pvebanner

@@ -7,11 +7,13 @@ use PVE::Cluster;
 my $nodename = PVE::INotify::nodename();
 my $localip = PVE::Cluster::remote_node_ip($nodename, 1);
 
-exit (0) if !$localip;
 
-my $xline = '-' x 80;
+my $xline = '-' x 78;
 
-print <<__EOBANNER;
+my $banner = '';
+
+if ($localip) {
+    $banner .= <<__EOBANNER;
 
 $xline
 
@@ -24,4 +26,14 @@ $xline
 
 __EOBANNER
 
+}
+
+$banner .= "Debian GNU/Linux 7.0 \\n \\l\n\n";
+
+open(ISSUE, ">/etc/issue");
+
+print ISSUE $banner;
+
+close(ISSUE);
+
 exit (0);