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				@@ -1,21 +1,26 @@ 
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				 multiplexer(mux) - 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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				+needs to handle, either multiple input/output from/to a singular input/output 
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				+-  google docs is an example of multiplexer 
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				+-  VNC is technically multiplexer 
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				+ 
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				 command to show the network connections 
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				 ss -taln  
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				-apache is the most commonly used  
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				+apache is the most commonly used web server 
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				+iis - internet information services from microsoft is another web server 
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				+nginx - another commonly used web server 
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				+common convention for software developers for their repository pages is to use git.domain.com 
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				-common convention for gogs pages is to use git.domain.com 
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				+webpages are usually just a file or a folder 
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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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				+a website has to have at least one domain, but can have multiple subdomains.  
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				 apache was default for port 80 on the domain for gogs 
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				+used a2enmod, enabled modphp, enabled modproxy, a2ensite to configure site config files 
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				+ 
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