Update on Centos 7
Stop Network MACMonitor.
systemctl stop macmonitor
Back up the database.
mysqldump -u root -p --hex-blob --databases macmonitor > backup.$(date +%Y%m%d_%H%M%S).sql
Install the new version of Network MACMonitor.
rpm -Uvh https://macmonitor.by/files/rpm/network-macmonitor-latest.rpm
Start Network MACMonitor.
systemctl start macmonitor