Part 1 (on Node1 Server)Task 1 [Managing Networking]Please create new network connection with existing interface...

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[root@node1 ~]# nmcli connection show

[root@node1 ~]# nmcli connection add con-name static ifname enp1s0 type ethernet ipv4.addresses 172.25.15.10/24 ipv4.gateway 172.25.15.2 ipv4.dns 172.25.15.2

[root@node1 ~]# nmcli connection modify static ipv4.method manual connection.autoconnect yes

[root@node1 ~]# nmcli connection modify static +ipv4.addresses 10.0.0.5/24

[root@node1 ~]# nmcli connection up static

[root@node1 ~]# nmcli connection show

[root@node1 ~]# hostnamectl set-hostname node1.domain15.example.com

[root@node1 ~]# hostnamectl status

[root@node1 ~]# nmcli connection down static

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[root@node1 ~]# nmcli connection up static

[root@node1 ~]# ip addr show

[root@node1 ~]# reboot

### For checking ###

[root@node1 ~]# ip addr show

[root@node1 ~]# netstat -nr

[root@node1 ~]# cat /etc/resolv.conf