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							- multiplexer(mux) - allows multiple people to use the same TTY
 
- (we did this with screen and also opened up different windows)
 
- when using screen (ctrl+a) + ? will show shortcuts
 
- needs to handle, either multiple input/output from/to a singular input/output
 
- -  google docs is an example of multiplexer
 
- -  VNC is technically multiplexer
 
- command to show the network connections
 
- ss -taln 
 
- apache is the most commonly used web server
 
- iis - internet information services from microsoft is another web server
 
- nginx - another commonly used web server
 
- common convention for software developers for their repository pages is to use git.domain.com
 
- webpages are usually just a file or a folder
 
- can have many websites hosted from one domain
 
- a website has to have at least one domain, but can have multiple subdomains. 
 
- apache was default for port 80 on the domain for gogs
 
- used a2enmod, enabled modphp, enabled modproxy, a2ensite to configure site config files
 
 
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