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Creating a new user with an SSH key on Linux

First, create a new user with useradd:

sudo useradd -m -d /home/username -s /bin/bash username

Next, set the user’s password:

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Output the file sizes in human-readable format.

ls -laSh /var/www/html

And to sort in reverse order, add the -r flag as follows.

ls -laShr /var/www/html

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# Uninstall previous chrome
sudo apt-get purge chromium-browser

# Re-install the new stable chrome headless
sudo apt-get update
sudo apt-get install -y libappindicator1 fonts-liberation
wget https://dl.google.com/linux/direct/google-chrome-stable_current_amd64.deb
sudo dpkg -i google-chrome*.deb

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Duplicate Lines
Shift + Option + Up Down Arrow Keys

Move line up or down
Alt / Option + Up Down Arrow Keys

Write on multiple lines (without mouse)
Shift + Option + Command + Up Down Arrow Keys

Write on multiple lines (with mouse)

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NGINX

Install nginx.

sudo apt-get install nginx

PHP 7.3

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How to configure fpt access on centos 7

Run updates.

yum -y update

Install vsftpd.

yum -y update

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NGINX

Create or edit file.

sudo vi /etc/yum.repos.d/nginx.repo

Append follow to the file.

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[
	{ "keys": ["j", "j"], "command": "exit_insert_mode",
	    "context":
	    [
	        { "key": "setting.command_mode", "operand": false },
	        { "key": "setting.is_widget", "operand": false }
	    ]
	}
]