PHP Environment in Linux

Reference: 

https://blog.ijun.org/2017/04/install-mysql-apache-php-on-ubuntu-1604.html

https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=1

Install Mosh under Linux:

apt-get install mosh

To connect to the remote server:

mosh --ssh="ssh -i ubun-exp_steven.pem -p 22" ubuntu@54.69.70.40
mosh --ssh="ssh -i ~/.ssh/id_rsa -p 22" steven@54.69.70.40

Create a new user:

useradd -m -s /bin/bash -c 'git user' steven

Add user to sudo (admin) group:

usermod -aG sudo steven

id steven

Set up basic environment:

git clone https://github.com/junxie6/config_centos_v2.git

bash config_centos_v2/script/setHomeConfig.sh

exit

Linux Command Cheat Sheet

Cheat Sheet
Below is a Cheat Sheet of Linux commands we have learned in this tutorial

Command

Description

ls

Lists all files and directories in the present working directory

ls - R

Lists files in sub-directories as well

ls - a

Lists hidden files as well

ls - al

Lists files and directories with detailed information like permissions, size, owner, etc.

cat > filename

Creates a new file

cat filename

Displays the file content

cat file file2 > file3

Joins two files (file1, file2) and stores the output in a new file (file3)

mv file "new file path"

Moves the files to the new location

mv filename new_file_name

Renames the file to a new filename