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				+multiplexer - allows multiple people to use the same TTY
 
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				+(we did this with screen and also opened up different windows)
 
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				+VNC is technically multiplexer
 
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				+needs to handle multiple input and output
 
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				+google docs is an example of multiplexer
 
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				+
 
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				+when using screen (ctrl+a) + ? will show shortcuts
 
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				+
 
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				+command to show the network connections
 
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				+ss -taln 
 
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				+
 
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				+apache is the most commonly used 
 
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				+
 
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				+
 
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				+common convention for gogs pages is to use git.domain.com
 
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				+
 
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				+can have many websites hosted from one domain
 
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				+can add diff websites into DNS with same domain
 
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				+apache was default for port 80 on the domain for gogs
 
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				+
 
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				+
 
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