[EC2] How to install chrome and the contents of each command

[EC2] How to install chrome and the contents of each command

Preparation for running selenium on EC2. Only the chrome installation part is cut out to check the contents of the execution command.

Assumption: Connected to the EC2 instance with ssh.

Download and run shell scripts for chrome installation

#This one sentence completes the chrome installation on EC2
curl https://intoli.com/install-google-chrome.sh | bash

Complete!   <-Successful installation
Successfully installed Google Chrome!


#Rename file
sudo mv /usr/bin/google-chrome-stable /usr/bin/google-chrome


#Check version
google-chrome --version && which google-chrome

Google Chrome 83.0.4103.61 <- --execution result of version
/usr/bin/google-chrome   <-Execution result of which

1. 1. curl command

・ You can download and upload files. ・ Can be accessed by specifying UserAgent ・ Can be accessed using cookies

** ▼ Difference from wget command ** Both can download and upload files. wget └ You can follow the link. You can download the file corresponding to the specified extension. curl └ Many protocols are supported. User authentication, proxy specification, SSL authentication, etc. can be performed.


## 2. Shell script `https://intoli.com/install-google-chrome.sh`

** Extension ".sh" ** └ Shell script └ Text file containing instructions to the shell --Shell: A program that executes processing on a PC (command prompt, gitbash, etc.)

intoli.com └ US WEB data analysis consulting company site

One US company has created a shell script that can install chrome on linux and distributed it for free. It is used on multiple sites and there seems to be no problem ...

> Details: https://intoli.com/blog/installing-google-chrome-on-centos/


3.|bash `| (Pipe)` └ Connect commands. └ Performs processing on the previously executed content.

bash └ Bash: A type of shell script └ Command to execute a shell script written in Bash


### 4. which command `which command name` └ Display the full path of the execution command
## Summary `curl https://intoli.com/install-google-chrome.sh | bash` ⇛ The shell script at the specified URL is downloaded (curl) and executed (bash).

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