Fixing errors with logging and logrotating

scripts/cron.d/backup-server

@@ -1,5 +1,5 @@
 # /etc/cron.d/backup-server: crontab for backup castanedo.es
 
 # Backup every day at 4:00 am
-0 4 * * *  root  [ -x /usr/local/bin/backup-server ] && /usr/local/bin/backup-server > /var/log/backup-server.log 2>&1
+0 4 * * *  root  [ -x /usr/local/bin/backup-server ] && /usr/local/bin/backup-server >> /var/log/backup-server.log 2>&1
 

scripts/logrotate.d/backup-server

@@ -5,4 +5,5 @@
 	compress
 	notifempty
 	create 0640 root adm
+	su root adm
 }