Don't create any mail/output for cron entries

slapos-node/template/slapos-node.cron.d

 SHELL=/bin/sh
 PATH=/usr/bin:/usr/sbin:/sbin:/bin
-MAILTO=root
+MAILTO=""
 
 # Run "Installation/Destruction of Software Releases" and "Deploy/Start/Stop Partitions" once per minute
-* * * * * root /opt/slapos/bin/slapos node software --verbose --logfile=/opt/slapos/slapos-software.log
-* * * * * root /opt/slapos/bin/slapos node instance --verbose --logfile=/opt/slapos/slapos-instance.log
+* * * * * root /opt/slapos/bin/slapos node software --verbose --logfile=/opt/slapos/slapos-software.log > /dev/null 2>&1
+* * * * * root /opt/slapos/bin/slapos node instance --verbose --logfile=/opt/slapos/slapos-instance.log > /dev/null 2>&1
 
 # Run "Destroy Partitions to be destroyed" once per hour
-0 * * * * root /opt/slapos/bin/slapos node report --maximal_delay=3600 --verbose --logfile=/opt/slapos/slapos-report.log
+0 * * * * root /opt/slapos/bin/slapos node report --maximal_delay=3600 --verbose --logfile=/opt/slapos/slapos-report.log > /dev/null 2>&1
 
 # Run "Check/add IPs and so on" once per hour
 0 * * * * root /opt/slapos/bin/slapos node format >> /opt/slapos/slapos-format.log 2>&1
 
 
 # Make sure we have only good network routes if we use VPN
-* * * * * root if [ -f /etc/opt/slapos/openvpn-needed  ]; then ifconfig tapVPN | grep "Scope:Global" > /dev/null ;if [ $? = 0 ]; then ROUTES=$(ip -6 r l | grep default | awk '{print $5}'); for GW in $ROUTES ; do if [ ! $GW = tapVPN ]; then /sbin/ip -6 route del default dev $GW;fi ;done ;fi ;fi
+* * * * * root if [ -f /etc/opt/slapos/openvpn-needed  ]; then ifconfig tapVPN | grep "Scope:Global" > /dev/null ;if [ $? = 0 ]; then ROUTES=$(ip -6 r l | grep default | awk '{print $5}'); for GW in $ROUTES ; do if [ ! $GW = tapVPN ]; then /sbin/ip -6 route del default dev $GW > /dev/null 2>&1;fi ;done ;fi ;fi

slapprepare/slapprepare/script/slapos

@@ -125,7 +125,7 @@ let MINUTE=$RANDOM%%60;
 echo """# BEWARE: This file will be automatically regenerated on each boot
 SHELL=/bin/sh
 PATH=/usr/bin:/usr/sbin:/sbin:/bin:/usr/lib/news/bin
-MAILTO=root
+MAILTO=""
 
 $MINUTE $HOUR * * * root /usr/local/bin/slapupdate -v --slapos-configuration $SLAPOS_CONFIGURATION/slapos.cfg >> /opt/slapos/slapupdate.log 2>&1