LEMP installation on a new ubuntu based PC.

.bash_history

sudo apt update
sudo apt upgrade

sudo apt install nginx -y
sudo systemctl enable nginx
sudo systemctl start nginx
sudo systemctl status nginx
nginx -v
sudo iptables -I INPUT -p tcp --dport 80 -j ACCEPT
sudo ufw allow http
ls /usr/share/nginx/html/
cat /usr/share/nginx/html/index.html

sudo apt install mariadb-server mariadb-client
systemctl status mariadb
sudo systemctl start mariadb
sudo systemctl enable mariadb
sudo mysql_secure_installation
sudo mariadb -u root
mariadb --version

sudo add-apt-repository ppa:ondrej/php 
sudo apt update
sudo apt install php7.4 php7.4-fpm php7.4-mysql php7.4-cli php7.4-common php7.4-json php7.4-opcache php7.4-readline php7.4-mbstring php7.4-xml php7.4-gd php7.4-curl
sudo apt install php7.4-bcmath php7.4-sqlite3 php7.4-zip php7.4-xdebug -y
sudo systemctl start php7.4-fpm
sudo systemctl enable php7.4-fpm
sudo systemctl status php7.4-fpm
sudo nano /etc/nginx/conf.d/default.conf
sudo nginx -t
sudo systemctl reload nginx
sudo mariadb -u root
mariadb -u kavish -p
sudo nano /etc/nginx/conf.d/default.conf
sudo nginx -t
sudo systemctl reload nginx
sudo systemctl restart nginx

sudo mkdir -p /etc/systemd/system/nginx.service.d/
sudo nano /etc/systemd/system/nginx.service.d/restart.conf
sudo systemctl daemon-reload
sudo pkill nginx
sudo systemctl status nginx

sudo usermod -a -G www-data kavish
sudo chown kavish:www-data /var/www/html -R
sudo chmod g+s /var/www/html/
sudo chmod 755 -R /var/www/html/
sudo chmod g+s /var/www/html/ -R
sudo nano /var/www/html/info.php

sudo shutdown -r now

sudo add-apt-repository ppa:linrunner/tlp
sudo apt-get install tlp tlp-rdw
sudo shutdown -r now
wget -O - -q http://deb.tableplus.com/apt.tableplus.com.gpg.key | sudo apt-key add - 
sudo add-apt-repository "deb [arch=amd64] https://deb.tableplus.com/debian tableplus main"
sudo apt update
sudo apt install tableplus

sudo nano /etc/php/7.4/fpm/conf.d/10-opcache.ini -m
sudo systemctl start php7.4-fpm
sudo systemctl reload nginx

php -r "copy('https://getcomposer.org/installer', 'composer-setup.php');"
php -r "if (hash_file('sha384', 'composer-setup.php') === '795f976fe0ebd8b75f26a6dd68f78fd3453ce79f32ecb33e7fd087d39bfeb978342fb73ac986cd4f54edd0dc902601dc') { echo 'Installer verified'; } else { echo 'Installer corrupt'; unlink('composer-setup.php'); } echo PHP_EOL;"
php composer-setup.php
php -r "unlink('composer-setup.php');"
sudo mv composer.phar /usr/local/bin/composer
composer

curl https://raw.githubusercontent.com/creationix/nvm/master/install.sh | bash
source ~/.profile
nvm ls-remote
nvm install v12.18.4
nvm list
node --version
node
npm -v

sudo apt install git supervisor tcl -y
sudo service supervisor restart
snap install --classic gitkraken

wget http://download.redis.io/redis-stable.tar.gz
tar xvzf redis-stable.tar.gz
cd redis-stable/
make test
make
sudo cp src/redis-server /usr/local/bin/
sudo cp src/redis-cli /usr/local/bin/
redis-server
redis-cli ping

.bashrc

# ~/.bashrc: executed by bash(1) for non-login shells.
# see /usr/share/doc/bash/examples/startup-files (in the package bash-doc)
# for examples

# If not running interactively, don't do anything
case $- in
    *i*) ;;
      *) return;;
esac

# don't put duplicate lines or lines starting with space in the history.
# See bash(1) for more options
HISTCONTROL=ignoreboth

# append to the history file, don't overwrite it
shopt -s histappend

# for setting history length see HISTSIZE and HISTFILESIZE in bash(1)
HISTSIZE=1000
HISTFILESIZE=2000

# check the window size after each command and, if necessary,
# update the values of LINES and COLUMNS.
shopt -s checkwinsize

# If set, the pattern "**" used in a pathname expansion context will
# match all files and zero or more directories and subdirectories.
#shopt -s globstar

# make less more friendly for non-text input files, see lesspipe(1)
[ -x /usr/bin/lesspipe ] && eval "$(SHELL=/bin/sh lesspipe)"

# set variable identifying the chroot you work in (used in the prompt below)
if [ -z "${debian_chroot:-}" ] && [ -r /etc/debian_chroot ]; then
    debian_chroot=$(cat /etc/debian_chroot)
fi

# set a fancy prompt (non-color, unless we know we "want" color)
case "$TERM" in
    xterm-color|*-256color) color_prompt=yes;;
esac

# uncomment for a colored prompt, if the terminal has the capability; turned
# off by default to not distract the user: the focus in a terminal window
# should be on the output of commands, not on the prompt
#force_color_prompt=yes

if [ -n "$force_color_prompt" ]; then
    if [ -x /usr/bin/tput ] && tput setaf 1 >&/dev/null; then
	# We have color support; assume it's compliant with Ecma-48
	# (ISO/IEC-6429). (Lack of such support is extremely rare, and such
	# a case would tend to support setf rather than setaf.)
	color_prompt=yes
    else
	color_prompt=
    fi
fi

if [ "$color_prompt" = yes ]; then
    PS1='${debian_chroot:+($debian_chroot)}\[\033[01;32m\]\u@\h\[\033[00m\]:\[\033[01;34m\]\w\[\033[00m\]\$ '
else
    PS1='${debian_chroot:+($debian_chroot)}\u@\h:\w\$ '
fi
unset color_prompt force_color_prompt

# If this is an xterm set the title to user@host:dir
case "$TERM" in
xterm*|rxvt*)
    PS1="\[\e]0;${debian_chroot:+($debian_chroot)}\u@\h: \w\a\]$PS1"
    ;;
*)
    ;;
esac

# enable color support of ls and also add handy aliases
if [ -x /usr/bin/dircolors ]; then
    test -r ~/.dircolors && eval "$(dircolors -b ~/.dircolors)" || eval "$(dircolors -b)"
    alias ls='ls --color=auto'
    #alias dir='dir --color=auto'
    #alias vdir='vdir --color=auto'

    alias grep='grep --color=auto'
    alias fgrep='fgrep --color=auto'
    alias egrep='egrep --color=auto'
fi

# colored GCC warnings and errors
#export GCC_COLORS='error=01;31:warning=01;35:note=01;36:caret=01;32:locus=01:quote=01'

# some more ls aliases
alias ll='ls -alF'
alias la='ls -A'
alias l='ls -CF'
alias cdvwh='cd /var/www/html'
alias art='php artisan'
alias artink='art tinker'
alias artsrv='art serve'

# Add an "alert" alias for long running commands.  Use like so:
#   sleep 10; alert
alias alert='notify-send --urgency=low -i "$([ $? = 0 ] && echo terminal || echo error)" "$(history|tail -n1|sed -e '\''s/^\s*[0-9]\+\s*//;s/[;&|]\s*alert$//'\'')"'

# Alias definitions.
# You may want to put all your additions into a separate file like
# ~/.bash_aliases, instead of adding them here directly.
# See /usr/share/doc/bash-doc/examples in the bash-doc package.

if [ -f ~/.bash_aliases ]; then
    . ~/.bash_aliases
fi

# enable programmable completion features (you don't need to enable
# this, if it's already enabled in /etc/bash.bashrc and /etc/profile
# sources /etc/bash.bashrc).
if ! shopt -oq posix; then
  if [ -f /usr/share/bash-completion/bash_completion ]; then
    . /usr/share/bash-completion/bash_completion
  elif [ -f /etc/bash_completion ]; then
    . /etc/bash_completion
  fi
fi

export NVM_DIR="$HOME/.nvm"
[ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh"  # This loads nvm
[ -s "$NVM_DIR/bash_completion" ] && \. "$NVM_DIR/bash_completion"  # This loads nvm bash_completion

Use above commands to install LEMP (Linux, Nginx, MariaDB, PHP) stack on a new Ubuntu PC

References

• https://www.linuxbabe.com/ubuntu/install-phpmyadmin-nginx-lemp-ubuntu-20-04
• https://www.serverlab.ca/tutorials/linux/administration-linux/how-to-install-php-7-4-on-ubuntu-18-04/

Installed Table Plus

Configure PHP opCache

Add following content to 10-opcache.ini:

opcache.memory_consumption=512
opcache.interned_strings_buffer=64
opcache.max_accelerated_files=32531
opcache.validate_timestamps=0
opcache.enable_cli=1

Refer : PHP opcache

Add following content to default.conf:

server {
  listen 80;
  listen [::]:80;
  server_name _;
  root /var/www/html/;
  index index.php index.html index.htm index.nginx-debian.html;

  location / {
    try_files $uri $uri/ /index.php;
  }

  location ~ \.php$ {
    fastcgi_pass unix:/run/php/php7.4-fpm.sock;
    fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
    include fastcgi_params;
    include snippets/fastcgi-php.conf;
  }

 # A long browser cache lifetime can speed up repeat visits to your page
  location ~* \.(jpg|jpeg|gif|png|webp|svg|woff|woff2|ttf|css|js|ico|xml)$ {
       access_log        off;
       log_not_found     off;
       expires           360d;
  }

  # disable access to hidden files
  location ~ /\.ht {
      access_log off;
      log_not_found off;
      deny all;
  }
}

Install other required programs

• Install Composer
• Install Node JS
• Install git, supervisor and tcl
• Install Redis

For best programming fonts

• With ligatures
• Without Ligatures

Set file/folder permisson for laravel projects : https://stackoverflow.com/questions/30639174/how-to-set-up-file-permissions-for-laravel#answer-37266353