update: ubuntu installation doc
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@ -75,7 +75,7 @@ There are two ways:
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go get -v -u golang.org/x/tools/...
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```
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## Install VSCode
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## Install VSCode (Optional)
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Note: You may use another coding editor if you like. However, the course uses Visual Studio Code (VSCode).
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@ -86,10 +86,10 @@ Note: You may use another coding editor if you like. However, the course uses Vi
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## OPTIONAL STEP:
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1. Create a hello.go inside `$GOPATH/src`
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1. Create a hello.go file in a new directory but anywhere outside of `$GOPATH`
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```bash
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cat <<EOF > $GOPATH/src/hello.go
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cat <<EOF > hello.go
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package main
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import "fmt"
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@ -100,10 +100,9 @@ Note: You may use another coding editor if you like. However, the course uses Vi
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EOF
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```
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2. Go to Go source directory and run our sample program
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2. Run the program
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```bash
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cd $GOPATH/src
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go run hello.go
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It should print: hello gopher!
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```
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