====== Install Ubuntu 20.04.3 ======
\\

**Images will be fixed soon.. the terminal resized during the installation..**\\
Check: [[linux:ubuntu:os3|Install Ubuntu 18.04.5]] - its basically the same

===== Starting the installation =====

\\
Download Ubuntu 20 live (with cloud crap) here: [[https://releases.ubuntu.com/20.04.3/|https://releases.ubuntu.com/20.04.3/]]
\\
or download Ubuntu 20 legacy server here: [[https://cdimage.ubuntu.com/ubuntu-legacy-server/releases/20.04/release/|https://cdimage.ubuntu.com/ubuntu-legacy-server/releases/20.04/release/]]
\\
mount the downloaded Ubuntu 20.04.1 (legacy server) .iso file
\\
reboot your system
\\
select a language (english is fine)
\\
{{:linux:ubuntu:pasted:20210830-214051.png}}
\\
select "Install Ubuntu Server"
\\
{{:linux:ubuntu:pasted:20210830-214100.png}}
\\

===== Configuration =====
\\

==== Select your language ====
\\
{{:linux:ubuntu:pasted:20210830-214507.png}}
\\
{{:linux:ubuntu:pasted:20210830-214516.png}}
\\
{{:linux:ubuntu:pasted:20210830-214523.png}}
\\
{{:linux:ubuntu:pasted:20210830-214533.png}}
\\
{{:linux:ubuntu:pasted:20210830-214546.png}}
\\

==== Configure the keyboard ====
\\
{{:linux:ubuntu:pasted:20210830-214553.png}}
\\
press y
\\
{{:linux:ubuntu:pasted:20210830-214601.png}}
\\
select yes if you have "ö"
\\
{{:linux:ubuntu:pasted:20210830-214610.png}}
\\
press "ö"
\\
{{:linux:ubuntu:pasted:20210830-214614.png}}
\\
select no for the weird e
\\
{{:linux:ubuntu:pasted:20210830-214620.png}}
\\
{{:linux:ubuntu:pasted:20210830-214626.png}}
\\

==== Configure the network ====
\\
select your primary network interface
\\
{{:linux:ubuntu:pasted:20210830-215920.png}}
\\
enter your hostname
\\
{{:linux:ubuntu:pasted:20210830-215950.png}}
\\

==== Set up users and passwords ====
\\
enter the full name for the first user
\\
{{:linux:ubuntu:pasted:20210830-215958.png}}
\\
enter the username
\\
{{:linux:ubuntu:pasted:20210830-220006.png}}
\\
enter a complex password
\\
{{:linux:ubuntu:pasted:20210830-220029.png}}
\\

==== Configure the clock ====
\\
if the autoselected timezone is correct select yes, otherwise select no and chose the correct location
\\
{{:linux:ubuntu:pasted:20210830-220039.png}}
\\

==== Partition disks ====
\\
if you had a server before, select unmount partitions
\\
{{:linux:ubuntu:pasted:20210830-220101.png}}
\\
select "Manual" and then set up LVs (LVM)
\\
{{:linux:ubuntu:pasted:20210830-220110.png}}
\\
select your disk
\\
{{:linux:ubuntu:pasted:20210830-220321.png}}
\\
select "Create a new partition"
\\
{{:linux:ubuntu:pasted:20210830-220344.png}}
\\
partition the disk MAX-1GB space (reserve 1GB for /boot)
\\
{{:linux:ubuntu:pasted:20210830-220443.png}}
\\
select "Primary"
\\
{{:linux:ubuntu:pasted:20210830-220451.png}}
\\
select "Beginning"
\\
{{:linux:ubuntu:pasted:20210830-220459.png}}
\\
set use as "physical volume for LVM" and select "Done setting up the partition"
\\
{{:linux:ubuntu:pasted:20210830-220525.png}}
\\
select the "1 GB FREE SPACE"
\\
{{:linux:ubuntu:pasted:20210830-220533.png}}
\\
select "Create a new partition"
\\
{{:linux:ubuntu:pasted:20210830-220538.png}}
\\
continue with the 1 GB
\\
{{:linux:ubuntu:pasted:20210830-220547.png}}
\\
again choose "Primary"
\\
{{:linux:ubuntu:pasted:20210830-220552.png}}
\\
set "Ext4" and mount point "/boot", you can also set the label as "/boot"
\\
{{:linux:ubuntu:pasted:20210830-220619.png}}
\\
select "Configure the Logical Volume Manager"
\\
{{:linux:ubuntu:pasted:20210830-220631.png}}
\\
select "Create volume group"
\\
{{:linux:ubuntu:pasted:20210830-220644.png}}
\\
choose a name for your VG
\\
{{:linux:ubuntu:pasted:20210830-220652.png}}
\\
and place it on your correct partition
\\
{{:linux:ubuntu:pasted:20210830-220701.png}}
\\
select "Create logical volume"
\\
{{:linux:ubuntu:pasted:20210830-220711.png}}
\\
select your VG
\\
{{:linux:ubuntu:pasted:20210830-220716.png}}
\\
choose a name for your LV
\\
{{:linux:ubuntu:pasted:20210830-220724.png}}
\\
then select the size (if you have the chance to extent your PV/VG, you should create a 10GB root and some fitting /etc /var /home mounts as well. in my case I cannot extent it so I chose to use all on /)
\\
{{:linux:ubuntu:pasted:20210830-220731.png}}
\\
select your new LV
\\
{{:linux:ubuntu:pasted:20210830-220751.png}}
\\
set "XFS" and the mountpoint "/"
\\
{{:linux:ubuntu:pasted:20210830-220810.png}}
\\
it should look like this now, if so, write changes to disk
\\
{{:linux:ubuntu:pasted:20210830-220820.png}}
\\
{{:linux:ubuntu:pasted:20210830-220842.png}}
\\

===== OS Installation =====
\\

==== Proxy aka Configure the package manager ====
\\
during the next loadingscreens you will be asked for a proxy, if you dont have one leave it blank, otherwise insert your proxyip
\\
{{:linux:ubuntu:pasted:20210830-221134.png}}
\\

==== Configuring tasksel ====
\\
select "No automatic updates" otherwise your OS will install updates without your interaction
\\
{{:linux:ubuntu:pasted:20210830-221203.png}}
\\

==== Software selection ====
\\
choose "OpenSSH server", you can install the other software later
\\
{{:linux:ubuntu:pasted:20210830-221211.png}}
\\

==== Select and install software ====
\\
wait..
\\
{{:linux:ubuntu:pasted:20210830-221307.png}}
\\

==== Install the GRUB boot loader on a hard disk ====
\\
select "yes"
\\
{{:linux:ubuntu:pasted:20210830-221540.png}}
\\

==== Finish the installation ====
\\
Yay!
\\
{{:linux:ubuntu:pasted:20210830-221653.png}}
\\

===== After the installation =====
\\
eject the disk/ iso
\\
reboot your machine
\\
fully update your OS
\\
configure your network interface, sudoers, ssh and consider fail2ban
\\
[[linux:general:network|Network]]
\\
[[linux:general:sudoers|Sudoers]]
\\
[[linux:general:ssh|SSH]]
\\
[[linux:ubuntu:fail2ban|Fail2Ban]]