Zammad

zammad is the name of a server in AWS established own request of Keven Elphinstone to support CS3231.

Below are details of how it was configured by CSG (read: Peter).

Instance type: m6a.large
AMI: Debian 12
Security group: zammad (own)
Disk: 64GB (EBS gp3 3000iops)
Private IP address: 10.197.85.55
Public IP address: 54.66.182.104
Subnetwork: nw-sydney-hosts (so it can access the university's AD servers via CSE's tunnelled link)
VPC: nw-sydney
Availability zone: ap-southeast-2c

/etc/hostname: zammad.cse.unsw.edu.au

# touch cloud-init.disabled

# ln -sf /usr/share/zoneinfo/Australia/Sydney /etc/localtime

Add "selinux=o audit=0" to Linux command line in /etc/default/grub and then run:

# grub-mkconfig -o /boot/grub/grub.cfg

Add "supersede domain-name-servers 129.94.0.196, 129.94.0.197;" to /etc/dhcp/dhclient.conf

Create /etc/systemd/resolved.conf.d/unswdns.conf containing:

DNS=129.94.0.196 129.94.0.197
Domains=cse.unsw.edu.au

Create entry in cse.unsw.edu.au DNS for host with IP address.

Configure networking and routing = /etc/systemd/network/10-netplan-ens5.network

root@zammad:/home/admin# cat /etc/systemd/network/10-netplan-ens5.network
[Match]
PermanentMACAddress=0a:7f:b0:6b:42:bf
Name=ens5

[Network]
DHCP=no
Address=10.197.85.55/24
Gateway=10.197.85.1

#[Network]
#DHCP=ipv4
#LinkLocalAddressing=ipv6

#[DHCP]
#RouteMetric=100
#UseMTU=true

#[Route]
#Destination=0.0.0.0/0
#Gateway=10.197.85.1
#
#[Route]
#Source=10.197.85.55
#Destination=10.197.85.0/24
#Scope=link

[Route]
Destination=10.84.61.0/24
Gateway=10.197.85.5

[Route]
Destination=10.116.160.0/24
Gateway=10.197.85.5

[Route]
Destination=10.157.49.0/24
Gateway=10.197.85.5

[Route]
Destination=131.236.3.0/24
Gateway=10.197.85.5

[Route]
Destination=129.94.0.0/24
Gateway=10.197.85.5
root@zammad:/home/admin#