Anpassen des Rocky Templates

Hostname

• hostnamectl set-hostname FQDN

Netzwerk

• nmcli con mod enp0s3 ipv4.addresses IP/CIDR
• nmcli con mod enp0s3 ipv4.gateway GW
• nmcli con mod enp0s3 ipv4.dns NS
• nmcli con mod enp0s3 ipv4.method manual
• nmcli con mod enp0s3 ipv4.dns-search DOM
• nmcli con mod enp0s3 connection.autoconnect yes
• nmcli con up enp0s3

Hintergrund

Die Verbindungen findet ihr hier

• DIR: /etc/NetworkManager/system-connections/

In unserem Fall

• cat /etc/NetworkManager/system-connections/enp0s3.nmconnection

[connection]
id=enp0s3
uuid=40ff96e5-0c0d-31de-9bf0-f75da265425b
type=ethernet
autoconnect-priority=-999
interface-name=enp0s3
timestamp=1784278716

[ethernet]

[ipv4]
address1=192.168.3.127/24
dns=192.168.20.1;
dns-search=it.int;
gateway=192.168.3.254
method=manual

[ipv6]
addr-gen-mode=eui64
method=auto

[proxy]

Hostname

• hostnamectl hostname NS

Netzwerk

nmcli con mod enp0s3 ipv4.addresses IP/CIDR
nmcli con mod enp0s3 ipv4.gateway GW
nmcli con mod enp0s3 ipv4.dns NS
nmcli con mod enp0s3 ipv4.method manual
nmcli con mod enp0s3 connection.autoconnect yes
nmcli con up enp0s3

Nameserver & Suchdomain

Der DNS wird bereits über nmcli gesetzt. Suchdomain ergänzen:

nmcli con mod enp0s3 ipv4.dns-search DOM
nmcli con up enp0s3

Setup Script

• Rocky Setup Script

Reboot

• systemctl reboot

JumpHost

Auf dem KIT Host anfügen

• vim ~/.ssh/config

Host SHORT
 Hostname IP
 ProxyJump kit@fw

PubKey Übertragung

• ssh-copy-id SHORT

Danach könnt ihr euch mit ssh SHORT passswortlos einloggen