Virtuelle Maschine bereitstellen UNIX-LINUX Netzwerke (checkmk)

Hostname

• hostnamectl set-hostname checkmk.lab1XX.nux

Netzwerk

• cat /etc/network/interfaces

# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).

source /etc/network/interfaces.d/*

# The loopback network interface
auto lo
iface lo inet loopback

# The primary network interface
auto enp0s3
iface enp0s3 inet static 
 address 10.0.1XX.10/24
 gateway 10.0.1XX.1

Namerserver

• cat /etc/resolv.conf

nameserver 10.0.1XX.2
search labXX.nux

Hosts

• cat /etc/hosts

127.0.0.1	localhost
127.0.1.1.     checkmk.lab1XX.nux

# The following lines are desirable for IPv6 capable hosts
::1     localhost ip6-localhost ip6-loopback
ff02::1 ip6-allnodes
ff02::2 ip6-allrouters

Reboot

• systemctl reboot

AdminPC

Auf dem KIT Host anfügen

• vi ~/.ssh/config

Host checkmk
 Hostname 10.0.1XX.10
 Username

PubKey Übertragung

• ssh-copy-id haproxy

Danach könnt ihr euch mit ssh servername passswortlos einlogen

DNS

Eintrag A Record in /var/cache/bind/lab1XX.nux

checkmk A 10.0.1XX.10

Eintrag PTR in /var/cache/bind/1XX.0.10.in-addr.arpa

10 PTR checkmk.lab1XX.nux.