In common situation, "system ip address" is the ETH0 address. So edit /etc/sysconfig/network-scripts/ifcfg-eth0 with your favourite text editor and run service network restart ps don't forget to change default gw also, it's located in /etc/sysconfig/network.
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sudo rsync -ravzh /home/source/ admin@ipaddress:/share/destination
If you ever have the need to only allow PPP connection(s) (L2TP, PPTP etc) for a certain time period, you can use […]
nagios -v /etc/nagios/nagios.cfg