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Ubuntu Server Root User Management

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Current Situation: Root user is disabled by default on Ubuntu Server for security reasons
Root account exists but can't be used by default
Root user ID 0 appears in user list but can't log in
Alternative Solution: Sudo command provides root-like privileges for regular users
Only first user created during installation can use sudo
Users need sudo adduser command to add others to sudo group
Enabling Root: Root password can be set using sudo passwd command
Direct root login possible at system boot
SSH access to root is blocked after enabling
Strong password recommended for root account
Security Considerations: Root access poses significant security risks
Keeping root enabled permanently is not recommended
SSH configuration can be modified to block root access
Sudo commands should be preferred over root access