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@@ -149,6 +149,7 @@ Operators
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^= bitwise exclusive or and store
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^= bitwise exclusive or and store
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|= bitwise or and store
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|= bitwise or and store
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, separator as in ( y=x,z=++x )
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, separator as in ( y=x,z=++x )
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; statement terminator.
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Operator precedence
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Operator precedence
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@@ -153,6 +153,8 @@ ssh user@host # connects to host as user
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ssh -p <port> user@host # connects to host on specified port as user
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ssh -p <port> user@host # connects to host on specified port as user
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ssh-copy-id user@host # adds your ssh key to host for user to enable a keyed or passwordless login
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ssh-copy-id user@host # adds your ssh key to host for user to enable a keyed or passwordless login
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<Enter> + ~ + . # Exit an unresponsive SSH shell connection
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whoami # returns your username
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whoami # returns your username
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su <user> # switch to a different user
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su <user> # switch to a different user
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su - # switch to root, likely needs to be sudo su -
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su - # switch to root, likely needs to be sudo su -
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@@ -2,7 +2,7 @@
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# DOCKER
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# DOCKER
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##############################################################################
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##############################################################################
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docker init # Creates Docker-related starter files
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docker build -t friendlyname . # Create image using this directory's Dockerfile
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docker build -t friendlyname . # Create image using this directory's Dockerfile
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docker run -p 4000:80 friendlyname # Run "friendlyname" mapping port 4000 to 80
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docker run -p 4000:80 friendlyname # Run "friendlyname" mapping port 4000 to 80
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docker run -d -p 4000:80 friendlyname # Same thing, but in detached mode
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docker run -d -p 4000:80 friendlyname # Same thing, but in detached mode
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