Ubuntu 18.04 LTS “Long Term Support” (Bionic Beaver) Server Installation Guide

Ubuntu 18.04 LTS  “Long Term Support” (Bionic Beaver) version was released on 26th April 2018 and that will be supported till 2023. LTS version is published every two years in April, whereas non-LTS version is released every six months and support period would be nine months. Ubuntu 20.04 LTS codenamed “Focal Fossa” is expected to release in the month of April 2020. In this post we will walk you through the process of installing of Ubuntu 18.04 is a LTS  “Long Term Support” Server version.

Some of the New features in Ubuntu 18.04 LTS Bionic Beaver Server Edition
  1. subiquity installer – The next generation Subiquity server installer
  2. netplan – Network Configuration Utility “netplan” is introduced in place of ifupdown.
  3. LXD 3.0 – LXD is the system container manager that ships with all Ubuntu servers.
  4. QEMU 2.11.1
  5. libvirt 4.0
  6. DPDK 17.11.x
  7. Open vSwitch 2.9
  8. Chrony is default for time sync service in replace ntpd
  9. Nginx 1.14.0
Let’s get started.
Step 1: Get the installer image
Step 2: Boot your system with bootable media (DVD/USB/ISO) after changing necessary setting in BIOS/EFI. Subiquity server installer pops up as shown below screen. Select preferred language and hit <ENTER> key. 
Step 3: Choose keyboard layout or hit <ENTER> key selecting “identify keyboard” to automatically detect your keyboard layout. 
Step 4:Network connection settings. we are selecting default option and IP address will assigned automatically through DHCP. Later on, will demonstrate how to assign static IP address using newly introduced “Netplan” 
Step 5: You may enter Proxy address, if your system is configured through proxy server else leave it blank and hit <ENTER> selecting “Done“.
Step 6: Leave the default mirror URL address. You may enter the Ubuntu mirror URL closer to your location if any. Once you’re done, select Done and press <Enter>.
Step 7: Disk Partitioning Schema
In Ubuntu 18.04, there are three type of partition schemes as below. We have selected “Use An Entire Disk” option for simplicity. You may opt other options which suits for you as mentioned below.
1. Use An Entire DiskAuto partitioning
2. Use An Entire Disk And Set Up LVMAuto partitioning with LVM (Logical Volume Manager)
3. Manual For experienced user only. You need to setup by yourself, do partitions as per your requirement.

Step 8: Select the hard drive where Ubuntu 18.04 Server is going to install. If you have multiple hard drives, will be listed here.
Step 9: Partitioning Summary: Select “Done” and hit <ENTER> else, click Back button to go back and do the changes of partitioning scheme if required.
Step 10: Select “Continue” to write changes to disk.
Step 11: Fill up the details like “Your name, hostname, username and password” which may required to login post installation.
Step 12: Select to Install OpenSSH server. Else you need to install it after installation.
Step 13: Ubuntu 18.04 LTS Server version installation started.
Step 14: Installation complete. Will prompt to reboot the system. Remove bootable media and hit <ENTER> selecting “Reboot Now” 
Step 15: Login with the username and password created during installation step above.
That’s it. Installation of Ubuntu 18.04 LTS server version come to an end here. Please share it and comment through comment box below. 

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