How To Install OsTicket with LEMP On Ubuntu 18.04 LTS

Video Tutorials-https://youtu.be/9nKW2U84OtM

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OsTicket is an open source support ticket system based on PHP. It's a simple and lightweight support ticket system, designed to be easy to use and easy to install. OsTicket allows you to manage, organize and archive your support request. It's has support for LDAP and Active Directory authentication.
Offcial Website: https://osticket.com/
LEMP stands for Linux, Nginx MySQL/MariaDB and PHP.
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Our Server Specification-    
Os:Ubuntu 18.04 LTS Bionic Beaver 64Bit   | IP address- 192.168.1.50 | Hostname :www.yourdomain.com
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lsb_release -cd ; hostname ; hostname -I ; whoami ; getconf LONG_BIT ; apt install -y build-essential software-properties-common curl gdebi net-tools wget curl sqlite3 dirmngr nano lsb-release apt-transport-https leafpad git sudo unzip socat bash-completion checkinstall imagemagick openssl

MariaDB Repositories:
apt-key adv --recv-keys --keyserver hkp://keyserver.ubuntu.com:80 0xF1656F24C74CD1D8 ; add-apt-repository 'deb [arch=amd64,arm64,ppc64el] http://mirror.biznetgio.com/mariadb/repo/10.4/ubuntu bionic main' ; add-apt-repository ppa:ondrej/php -y ; apt-get update ; apt install -y nginx mariadb-server mariadb-client php7.2 php7.2-cli php7.2-fpm php7.2-cgi php7.2-bcmath php7.2-curl php7.2-gd php7.2-intl php7.2-json php7.2-mbstring php7.2-mysql php7.2-opcache php7.2-sqlite3 php7.2-xml php7.2-zip php7.2-snmp php7.2-json php7.2-imap php7.2-common php7.2-tidy php7.2-pgsql php7.2-ldap php-imagick php-pear
systemctl start nginx mariadb ; systemctl enable nginx mariadb ; mysql_secure_installation

Create Mariadb Database :
mysql -u root -p
create database db;
grant all on db.* to 'dbuser'@'localhost' identified by 'dbpass';
flush privileges;
quit

sed -i "s/;date.timezone.*/date.timezone = Asia\/\Kolkata/" /etc/php/7.2/fpm/php.ini ; sed -i 's/;cgi.fix_pathinfo=1/cgi.fix_pathinfo=0/g' /etc/php/7.2/fpm/php.ini ; leafpad  /etc/php/7.2/fpm/pool.d/www.conf &>/dev/null
env[HOSTNAME] = $HOSTNAME ]

cd /var/www/html/ ; wget https://github.com/osTicket/osTicket/releases/download/v1.12.2/osTicket-v1.12.2.zip
unzip osTicket-v1.12.2.zip
cd upload ; cp include/ost-sampleconfig.php include/ost-config.php
chown -R www-data:www-data /var/www/html/ ; chmod -R 755 /var/www/html/

Setting up Nginx Server Blocks (Virtual Hosts):-
leafpad /etc/nginx/sites-available/default &>/dev/null
server {
    server_name www.yourdomain.com;

    access_log /var/log/nginx/yourdomain-access.log;
    error_log /var/log/nginx/yourdomain-error.log;
    root /var/www/html/upload/;

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

    location ~ \.php$ {
        include snippets/fastcgi-php.conf;
        fastcgi_pass unix:/run/php/php7.2-fpm.sock;
        fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
    }
}

nginx -t  ; echo "192.168.1.50 www.yourdomain.com" >> /etc/hosts ; systemctl restart nginx mariadb
http://www.yourdomain.com
chmod 0666 include/ost-config.php
chmod 0644 include/ost-config.php

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