Ubuntu/Useful Commands for initial Setup

Disable/Manage Ubuntu firewall
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# sudo ufw disable

or

# sudo ufw enable
# sudo ufw allow 22
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Install Ubuntu Desktop(Unity)
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# sudo apt-get install ubuntu-desktop
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Install ssh
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# sudo apt-get install openssh-server

Permit Root Access
# sudo vim /etc/ssh/sshd_config

- Edit below
PermitRootLogin prohibit-password

Approve: Yes
Deny: No
Deny if use ID and Pwd: prohibit-password
(Approve if public key)

# sudo service ssh restart
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