| Ubuntu 21.04 : Install2021/04/27 | 
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Install Ubuntu 21.04 Server.
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| [1] | Insert a disk for installation of Ubuntu 21.04 and reboot your computer. Next, Choose your language and proceed to next. | 
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| [2] | Select your keyboard layout. Move to next fields with tab key, View list with Enter key, Choose an item with cursor key. | 
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| [3] | This is the network configuration section. If DHCP server exists in your local network, IP address is assgined automatically. | 
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| [4] | Set Proxy Server URL if you need. If not need, it's OK to proceed with empty. | 
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| [5] | Input mirror Server URL to get packages from. Generally, it is configured nearest one automtically by detecting your location. | 
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| [6] | This is the storage configuration section. Configure partition layouts and so on. If you don't have specific requirements, it's OK to proceed with default settings. | 
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| [7] | This is the storage configuration summary. If OK all, select [Done] and proceed to next. | 
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| [8] | Confirmation is required because existing data in selected storage are formatted all. If OK, select [Continue]. | 
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| [9] | Set administrative user account. Input any user name and password you like. | 
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| [10] | Choose to install SSH Server or not during this installation. | 
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| [11] | Select applications or software environment they are often used on Server usage. If you don't have specific requirements, it's OK to proceed without checking any items. | 
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| [12] | After Installation proccess is finished, choose [Reboot Now] to restart computer. | 
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| [13] | After restarting computer, login with a user and password you set during the installation. If logined normally, your Ubuntu Server installation finished successfully. | 
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Ubuntu 21.04 localhost ttyS0
localhost login: ubuntu
Password:
Welcome to Ubuntu 21.04 (GNU/Linux 5.11.0-16-generic x86_64)
 * Documentation:  https://help.ubuntu.com
 * Management:     https://landscape.canonical.com
 * Support:        https://ubuntu.com/advantage
  System information as of Tue Apr 27 02:08:32 AM UTC 2021
  System load: 0.0                Memory usage: 4%   Processes:       130
  Usage of /:  31.4% of 19.56GB   Swap usage:   0%   Users logged in: 0
  => There were exceptions while processing one or more plugins. See
     /var/log/landscape/sysinfo.log for more information.
4 updates can be installed immediately.
0 of these updates are security updates.
To see these additional updates run: apt list --upgradable
ubuntu@localhost:~$
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