ubuntu 17.10 server notes

config-notes.txt

sudo vi /etc/hosts                    # update hostnamesudo 
vi /etc/hostname                      # update hostname
sudo rm -f /etc/resolv.conf
sudo ln -s /run/systemd/resolve/resolv.conf /etc/resolv.conf
sudo vi /etc/resolv.conf # update nameserver entries
ip a                                  # determine network interface name
sudo vi /etc/netplan/01-netcfg.yaml   # update interface name from 'ip a'

[email protected]:~# cat /etc/netplan/01-netcfg.yaml
# This file describes the network interfaces available on your system
# For more information, see netplan(5).
network:
  version: 2
  renderer: networkd
  ethernets:
    ens160:
     dhcp4: no
     dhcp6: no
     addresses: [192.168.100.221/24]
     gateway4: 192.168.100.1
     nameservers:
       addresses: [192.168.100.1,8.8.8.8]

sudo netplan apply                    # apply changes made to /etc/netplan/01-netcfg.yaml
sudo apt-get upgrade -y
sudo reboot
sudo vi /etc/ssh/sshd_config          # uncomment 'PermitRootLogin prohibit-password' and change to 'PermitRootLogin yes'
sudo systemctl restart sshd           # restart sshd to make changes take affect
sudo apt install zfsutils-linux            # install zfs

sudo fdisk -l # create new virtual disks for zdevs and list their dev names

sudo zpool create -f videos mirror /dev/sdb /dev/sdc
sudo zpool status
sudo zpool add videos log /dev/sdd -f
sudo zpool status
sudo zfs create videos/family
sudo zfs set quota=300G /videos/family
sudo zfs create videos/adult
sudo zfs set quota=100G videos/adult
sudo zfs create videos/training
sudo zfs set quota=30G videos/training
sudo zfs list

sudo apt -y install nfs-kernel-server
sudo vi /etc/idmapd.conf # line 6: uncomment and change to your domain name

sudo echo "/videos/adult     192.168.100.0/24(rw,no_root_squash)" >> /etc/exports
sudo echo "/videos/family    192.168.100.0/24(rw,no_root_squash)" >> /etc/exports
sudo echo "/videos/training  192.168.100.0/24(rw,no_root_squash)" >> /etc/exports

sudo systemctl start nfs-server
sudo systemctl status nfs-server
sudo systemctl enable nfs-server