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You are here: Home » Must Know GNU/Linux Commands For the SSH Users

By Abhishek Ghosh May 3, 2015 12:27 am Updated on May 3, 2015

Must Know GNU/Linux Commands For the SSH Users

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Here Are Some Must Know GNU/Linux Commands For the SSH Users Who Are Relatively Newer and Primarily Managing Own Servers to Run their Websites. Obviously, they are System Admin; but we guess they need some kind help! Usually we use Nginx, PHP5-FPM, MariaDB/MySQL setup (or LEMP setup) to run WordPress, so basically you need not know huge number of commands at the beginning. Also there are some tools based on text based user interface, they can help the new users. We are not discussing that part.

 

Must Know GNU/Linux Commands For the SSH Users

 

First we do SSH. The command format for private key based SSH authentication system is :

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ssh -i /path/to/key.pem username@server_ip

if we add a -v flag, then it gives lot of information to us :

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ssh -v -i /path/to/key.pem username@server_ip

Second, we need to know to basic navigation commands, we are taking that ls, pwd , rm etc. commands are known to the reader. cat becomes the second important command as without touching a file we can check the content of the file. For example :

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cat /etc/nginx/sites-available/default

if we add -n flag, we’ll get the line numbers too :

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cat -n /etc/nginx/sites-available/default

Next is tar and untar. Suppose we wget-ed latest version of WordPress, then we untar in this way :

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tar -xzvf latest.tar.gz

As for first clean installation, there is no directory on the FTP root, we make it shorter :

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tar -xzvf l*

We can tar the extracted wordpress directory to latest named tar ball in this way :

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# first remove any same named stuff
rm -r latest.tar.gz
tar -cvzf latest.tar.gz /path/to/wordpress

Must Know GNU:Linux Commands For the SSH Users

We can even extract tar ball with a progress bar.

cURL is very important tool. We can easily check the headers with cURL in this way :

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curl -I https://thecustomizewindows.com

Other important commands has been discussed throughout this website, including grep, unix pipe, awk etc. most commonly used tools and commands.

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Abhishek Ghosh

About Abhishek Ghosh

Abhishek Ghosh is a Businessman, Orthopaedic Surgeon, Author and Blogger. You can keep touch with him on Twitter - @AbhishekCTRL.

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About This Article

Cite this article as: Abhishek Ghosh, "Must Know GNU/Linux Commands For the SSH Users," in The Customize Windows, May 3, 2015, February 24, 2021, https://thecustomizewindows.com/2015/05/must-know-gnu-linux-commands-ssh/.

Source:The Customize Windows, JiMA.in

 

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