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Some Useful Commands That Iam Using From Time To Time

Install mysql

#Install mysql 
sudo apt install mysql-server
sudo mysql_secure_installation
- N 
set any password 
- Y
- N
- Y
- Y
-------
sudo mysql
ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY 'STRONG_PASSWORD_HERE';
FLUSH PRIVILEGES;

Import and Export MySql

Export : mysqldump -u root -p db > db.sql #one db
             : mysqldump -u root -p --all-databases > alldb.sql # all dbs
             : for DB in $(mysql -e 'show databases' -s --skip-column-names); do 
                    mysqldump -u root -p  $DB > "$DB.sql";
                  done

Import : mysql -u root -p db < db.sql

Change Mysql Password

# option1
$ sudo mysql -u root # I had to use "sudo" since is new installation

mysql> USE mysql;
mysql> UPDATE user SET plugin='mysql_native_password' WHERE User='root';
mysql> FLUSH PRIVILEGES;
mysql> exit;

$ sudo service mysql restart

#option2
$ sudo mysql -u root # I had to use "sudo" since is new installation

mysql> USE mysql;
mysql> CREATE USER 'YOUR_SYSTEM_USER'@'localhost' IDENTIFIED BY 'YOUR_PASSWD';
mysql> GRANT ALL PRIVILEGES ON *.* TO 'YOUR_SYSTEM_USER'@'localhost';
mysql> UPDATE user SET plugin='auth_socket' WHERE User='YOUR_SYSTEM_USER';
mysql> FLUSH PRIVILEGES;
mysql> exit;

$ sudo service mysql restart

Transfer database from server to another

mysqldump --all-databases -uuser -ppassword -hserver -P3306 --force | mysql -hremoteserver -uremoteuser -premotepassword -P3306 --force

SSL Certificate

sudo snap install core; sudo snap refresh core
sudo snap install --classic certbot
sudo ln -s /snap/bin/certbot /usr/bin/certbot
sudo certbot --nginx
sudo certbot certonly --nginx
OR
certbot certonly --noninteractive --agree-tos --cert-name SITE_TLD -d SITE_TLD -d www.SITE_TLD --register-unsafely-without-email --webroot -w /var/www/html/SITE_TLD

Crontab Usefull Commands

* * * * * cd /var/www/html/example.com/ && git reset --hard HEAD && git clean -f -d && git pull origin master --allow-unrelated-histories
* * * * * cd /var/www/html/blog.example.com/wp-content/themes/blog/ && git reset --hard HEAD && git clean -f -d && git pull origin master --allow-unrelated-histories
* * * * * cd /var/www/html/example.com && php artisan queue:restart && php artisan queue:work --queue=high,medium,default,low >> /dev/null 2>&1
* * * * * cd /var/www/html/example.com && php artisan schedule:run >> /dev/null 2>&1
* * * * * cd /var/www/html/example.com/storage/logs && chmod -R 777 *

Useful Headers

<link rel="stylesheet" type="text/css" href="https://nafezly.com/css/cust-fonts.css">
<link rel="stylesheet" type="text/css" href="https://nafezly.com/css/responsive-font.css">
<link rel="stylesheet" type="text/css" href="https://nafezly.com/css/fontawsome.min.css">

<link rel="stylesheet" type="text/css" href="https://cdn.jsdelivr.net/npm/[email protected]/dist/css/bootstrap.min.css">

<script src="https://unpkg.com/vue@next"></script>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/js/bootstrap.bundle.min.js"></script>

Nginx Optimized Config file ( /etc/nginx/nginx.conf )

user www-data;
worker_processes auto;
pid /run/nginx.pid;
include /etc/nginx/modules-enabled/*.conf;
#include /etc/nginx/conf.d/*;
events {
    worker_connections 768;
    # multi_accept on;
}

http {
#   access_by_lua_file anti_ddos_challenge.lua;
    #client_max_body_size = 250M;
    ##
    # Basic Settings
    ##
    client_max_body_size 250M;
    sendfile on;
    tcp_nopush on;
    tcp_nodelay on;
    keepalive_timeout 65;
    types_hash_max_size 2048;
    # server_tokens off;

    # server_names_hash_bucket_size 64;
    # server_name_in_redirect off;

    include /etc/nginx/mime.types;
    default_type application/octet-stream;

    ##
    # SSL Settings
    ##

    ssl_protocols TLSv1 TLSv1.1 TLSv1.2; # Dropping SSLv3, ref: POODLE
    ssl_prefer_server_ciphers on;

    ##
    # Logging Settings
    ##

    access_log /var/log/nginx/access.log;
    error_log /var/log/nginx/error.log;

    ##
    # Gzip Settings
    ##

    gzip on;

     gzip_vary on;
     gzip_proxied any;
     gzip_comp_level 6;
     gzip_min_length    256;
     gzip_buffers 16 8k;
     gzip_http_version 1.1;
     gzip_types text/plain text/css application/javascript application/json application/x-javascript text/xml application/xml application/xml+rss text/javascript image/svg+xml image/svg image/jpg image/png;

    ##
    # Virtual Host Configs
    ##

    include /etc/nginx/conf.d/*.conf;
    include /etc/nginx/sites-enabled/*;
}

#mail {
#   # See sample authentication script at:
#   # http://wiki.nginx.org/ImapAuthenticateWithApachePhpScript
# 
#   # auth_http localhost/auth.php;
#   # pop3_capabilities "TOP" "USER";
#   # imap_capabilities "IMAP4rev1" "UIDPLUS";
# 
#   server {
#       listen     localhost:110;
#       protocol   pop3;
#       proxy      on;
#   }
# 
#   server {
#       listen     localhost:143;
#       protocol   imap;
#       proxy      on;
#   }
#}

Default Nginx File

server {
    listen 80;
    listen [::]:80;

    root /var/www/html/first-project/public;
    index index.php index.html index.htm index.nginx-debian.html;

    server_name example.com;

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

    location ~ \.php$ {
        include snippets/fastcgi-php.conf;
        fastcgi_pass unix:/var/run/php/php7.4-fpm.sock;
    }

    location ~ /\.ht {
            deny all;
    }
}

Nginx File After SSL

server {
    listen 80;
    access_log off;
    root /var/www/html/example.com/public;
    index index.php index.html index.htm index.nginx-debian.html;
    client_max_body_size 1000M;
    fastcgi_read_timeout 8600;
    proxy_cache_valid 200 365d;
    location ~ \.(env|log|htaccess)$ {
        deny all;
    }
    location ~*\.(?:js|jpg|jpeg|gif|png|css|tgz|gz|rar|bz2|doc|pdf|ppt|tar|wav|bmp|rtf|swf|ico|flv|txt|woff|woff2|svg|mp3|jpe?g,eot|ttf|svg)$ {
        access_log off;
        expires 360d;
        add_header Access-Control-Allow-Origin *;
    add_header Pragma public;
        add_header Cache-Control "public";
        add_header Vary Accept-Encoding; 
        try_files $uri $uri/ /index.php?$query_string;
    }
    location / {
    add_header Access-Control-Allow-Origin *;
        if ($host ~* ^(www)) {
          rewrite ^/(.*)$ https://example.com/$1 permanent;
        }
                if ($scheme = http) {
                        return 301 https://example.com$request_uri;
                }
        try_files $uri $uri/ /index.php?$query_string;
    access_log off;
    }

    location ~ \.php$ {
        include snippets/fastcgi-php.conf;
        fastcgi_pass unix:/var/run/php/php7.4-fpm.sock;
    }
   listen 443 ssl; # managed by Certbot
   server_name example.com www.example.com;
   ssl_certificate /etc/letsencrypt/live/example.com/fullchain.pem; # managed by Certbot
   ssl_certificate_key /etc/letsencrypt/live/example.com/privkey.pem; # managed by Certbot
   include /etc/letsencrypt/options-ssl-nginx.conf; # managed by Certbot
   ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem; # managed by Certbot
}

Install Nginx

sudo apt update
sudo apt install nginx
sudo ufw app list
sudo ufw allow 'Nginx HTTP'
sudo ufw allow 'Nginx HTTPS'
sudo ufw status

Install Laravel Extensions

sudo add-apt-repository universe
sudo apt install php openssl php-fpm php-common php-curl php-json php-mbstring php-mysql php-xml php-zip php-gd php-cli

Setting Up Firewall

sudo ufw app list
sudo ufw allow OpenSSH
sudo ufw enable
sudo ufw status

Install New Site NGINX one line

mkdir /var/www/html/example.com ; mkdir /var/www/html/example.com/public ; echo "<?php php_info() ?>" ; rm -rf /etc/nginx/sites-available/example.com ; rm -rf  /etc/nginx/sites-enabled/example.com ; echo "server {
    listen 80;

    root /var/www/html/example.com/public;
    index index.php index.html index.htm index.nginx-debian.html;

    server_name www.example.com example.com;

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

    location ~ \.php$ {
        include snippets/fastcgi-php.conf;
        fastcgi_pass unix:/var/run/php/php7.4-fpm.sock;
    }

    location ~ /\.ht {
            deny all;
    }
}" > /etc/nginx/sites-available/example.com ; ln -s /etc/nginx/sites-available/example.com /etc/nginx/sites-enabled/  ; certbot certonly --noninteractive --agree-tos --cert-name example.com -d example.com -d www.example.com --register-unsafely-without-email --webroot -w /var/www/html/example.com  ; rm -rf /etc/nginx/nginx.conf ;  echo "user www-data;
worker_processes auto;
pid /run/nginx.pid;
include /etc/nginx/modules-enabled/*.conf;
#include /etc/nginx/conf.d/*;
events {
    worker_connections 768;
    # multi_accept on;
}
http {
#   access_by_lua_file anti_ddos_challenge.lua;
    #client_max_body_size = 250M;
    ##
    # Basic Settings
    ##
    client_max_body_size 250M;
    sendfile on;
    tcp_nopush on;
    tcp_nodelay on;
    keepalive_timeout 65;
    types_hash_max_size 2048;
    # server_tokens off;

    # server_names_hash_bucket_size 64;
    # server_name_in_redirect off;

    include /etc/nginx/mime.types;
    default_type application/octet-stream;

    ##
    # SSL Settings
    ##

    ssl_protocols TLSv1 TLSv1.1 TLSv1.2; # Dropping SSLv3, ref: POODLE
    ssl_prefer_server_ciphers on;

    ##
    # Logging Settings
    ##

    access_log /var/log/nginx/access.log;
    error_log /var/log/nginx/error.log;

    ##
    # Gzip Settings
    ##

    gzip on;

     gzip_vary on;
     gzip_proxied any;
     gzip_comp_level 6;
     gzip_min_length    256;
     gzip_buffers 16 8k;
     gzip_http_version 1.1;
     gzip_types text/plain text/css application/javascript application/json application/x-javascript text/xml application/xml application/xml+rss text/javascript image/svg+xml image/svg image/jpg image/png;

    ##
    # Virtual Host Configs
    ##

    include /etc/nginx/conf.d/*.conf;
    include /etc/nginx/sites-enabled/*;
}

#mail {
#   # See sample authentication script at:
#   # http://wiki.nginx.org/ImapAuthenticateWithApachePhpScript
# 
#   # auth_http localhost/auth.php;
#   # pop3_capabilities 'TOP' 'USER';
#   # imap_capabilities 'IMAP4rev1' 'UIDPLUS';
# 
#   server {
#       listen     localhost:110;
#       protocol   pop3;
#       proxy      on;
#   }
# 
#   server {
#       listen     localhost:143;
#       protocol   imap;
#       proxy      on;
#   }
#}" > /etc/nginx/nginx.conf  ; rm -rf /etc/nginx/sites-available/example.com ;
rm -rf /etc/nginx/sites-enabled/example.com  ; echo 'server {
    listen 80;
    listen 443 ssl; # managed by Certbot
    server_name example.com www.example.com;
    access_log off;
    root /var/www/html/example.com/public;
    index index.php index.html index.htm index.nginx-debian.html;
    client_max_body_size 1000M;
    fastcgi_read_timeout 8600;
    proxy_cache_valid 200 365d;
    location ~ \.(env|log|htaccess)$ {
        deny all;
    }
    location ~*\.(?:js|jpg|jpeg|gif|png|css|tgz|gz|rar|bz2|doc|pdf|ppt|tar|wav|bmp|rtf|swf|ico|flv|txt|woff|woff2|svg|mp3|jpe?g,eot|ttf|svg)$ {
        access_log off;
        expires 360d;
        add_header Access-Control-Allow-Origin *;
    add_header Pragma public;
        add_header Cache-Control "public";
        add_header Vary Accept-Encoding; 
        try_files $uri $uri/ /index.php?$query_string;
    }
    location / {
    add_header Access-Control-Allow-Origin *;
        if ($host ~* ^(www)) {
          rewrite ^/(.*)$ https://example.com/$1 permanent;
        }
        if ($scheme != "https") {
            rewrite ^ https://$host$uri permanent;
        }
        try_files $uri $uri/ /index.php?$query_string;
    access_log off;
    }

    location ~ \.php$ {
        include snippets/fastcgi-php.conf;
        fastcgi_pass unix:/var/run/php/php7.4-fpm.sock;
    } 
   ssl_certificate /etc/letsencrypt/live/example.com-0001/fullchain.pem; # managed by Certbot
   ssl_certificate_key /etc/letsencrypt/live/example.com-0001/privkey.pem; # managed by Certbot
   include /etc/letsencrypt/options-ssl-nginx.conf; # managed by Certbot
   ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem; # managed by Certbot
}' > /etc/nginx/sites-available/example.com ; rm -rf /etc/nginx/sites-enabled/example.com ; ln -s /etc/nginx/sites-available/example.com /etc/nginx/sites-enabled/ ; service nginx restart

Install Nginx & PHP & MySql & laravel Extensions ⇒ ONE LINE

sudo apt update ; sudo apt install nginx ; sudo ufw allow 'Nginx HTTP' ; sudo ufw allow 'Nginx HTTPS' ; sudo ufw allow OpenSSH ; sudo ufw enable ; sudo add-apt-repository universe ; sudo apt install php openssl php-fpm php-common php-curl php-json php-mbstring php-mysql php-xml php-zip php-gd php-cli ; sudo apt install mysql-server

run laravel application

mkdir example.com ; cd example.com ; sudo apt-get install git ; git init ; git remote add origin [] ; git pull origin master ;  cp .env.example .env ;  composer install  ;  php artisan key:generate ; 
- after setting up database 
php artisan migrate --seed ; chmod 777 -R storage

List dir content with size

du -sh * | sort -hr

Close Process On Port Linux

sudo kill -9 $(sudo lsof -t -i:9001)

Alert Before Remove

var result = confirm('هل أنت متأكد من عملية الحذف ؟');
if (result) {
    //Logic to delete the item
}

Usefull Packages

https://github.com/spatie/browsershot

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