## Post install script for Ubuntu 22.04 server

### Prerequisites
A clean Ubuntu 22.04 server although this should work on Ubuntu 20.04 as well.

> **IMPORTANT**
>
> This will configure sshd with the following.\
> PermitRootLogin no\
> PasswordAuthentication no
>
> So be sure to have your public keys in place or you wont be able to login after the script has completed.

### Download the script
```
git clone https://git.x-files.dk/ubuntu-server/ubuntu-postinstall.git
```

### Usage
    cd ubuntu-postinstall
    sudo ./ubuntu-postinstall [-n] <hostname or fqdn> [-i] <ip>=<ipaddr or dhcp> [-g] <gateway>=<ipaddr> [-t] <timezone>=<dk est pst cst utc> [-s] <sync time via ntp>=<y or n> [-help] help

### Example 1
    cd ubuntu-postinstall
    sudo ./postinstall -n host1.hostname -i dhcp -t est -s n

### Example 2
    cd ubuntu-postinstall
    sudo ./postinstall -n host1.hostname -i 192.168.1.151 -g 192.168.1.1 -t dk -s y

### Additional software beeing installed
apt-transport-https - colordiff - dnsutils - expect - facter - fdupes - fping - htop - iftop - iotop - mailutils - mcrypt - net-tools - nfs-common - nmap - ntpdate - plocate - postfix - saidar - software-properties-common - sshpass - traceroute

> **NOTE**
>
> In order to get rid of popups for kernel updates and reloading of services when doing apt update etc. the needrestart.conf has been modified.

### Postinstall
Nothing to do.

### More guides
More guides can be found on [\[wiki.x-files.dk\]](https://wiki.x-files.dk)

### Last tested
January 12th 2024 on Ubuntu 22.04.