Uly.me

cloud engineer

apache

Tomcat Install

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Tomcat requires JRE.

wget jre-8uversion-linux-x64.tar.gz
# or
apt-get install default-jdk

Install Tomcat 8 on Linux.

wget https://mirrors.gigenet.com/apache/tomcat/tomcat-8/v8.5.66/bin/apache-tomcat-8.5.66.tar.gz
tar zxpvf apache-tomcat-8.5.66.tar.gz
cd /opt/tomcat/apache-tomcat-8.5.66/bin/
./startup.sh

Status|Start|Stop|Restart Tomcat.

systemctl status tomcat8
systemctl start tomcat8
systemctl stop tomcat8
systemctl restart tomcat8

Ubuntu 20.04 LTS Lamp Server

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Here’s how to install a LAMP server on the latest Ubuntu 20.04 LTS.

Install Apache.

apt install apache2
systemctl status apache2
systemctl is-enabled apache2

Install MariaDB.

apt install mariadb-server mariadb-client
systemctl status mariadb
systemctl is-enabled mariadb
mysql_secure_installation

Install PHP.

apt install php libapache2-mod-php php-mysql
systemctl restart apache2

Enable ssl and mod_rewrite.

a2enmod ssl
a2enmod rewrite
systemctl restart apache2

Standard SSL Policy

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Here’s a standard template for SSL Apache found in /etc/apache2/sites-available/default-ssl.conf.

<IfModule mod_ssl.c>
<VirtualHost _default_:443>
   ServerAdmin your-email@your-domain.com
   ServerName www.yourdomain.com
   ServerName yourdomain.com
   DocumentRoot /var/www/your-domain.com
   ErrorLog /var/www/your-domain.com/log/error.log
   CustomLog /var/www/your-domain.com/log/access.log combined
   <Directory /var/www/your-domain.com>
      Options Indexes FollowSymLinks MultiViews
      AllowOverride All
      Require all granted
   </Directory>
   SSLCertificateFile /etc/letsencrypt/live/your-domain.com/fullchain.pem
   SSLCertificateKeyFile /etc/letsencrypt/live/your-domain.com/privkey.pem
   Include /etc/letsencrypt/options-ssl-apache.conf
</VirtualHost>
</IfModule>

Enable SSL.

# Enable SSL Module
a2enmod ssl
systemctl restart apache2.service
# Enable SSL Apache Config
a2ensite default-ssl
systemctl restart apache2.service
# Alternate way to restart.
service apache2 restart

WordPress Permalinks Not Working

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Here’s a couple of things you can do to check if WordPress permalinks is not working.

  1. Make sure .htaccess has the right permissions.
  2. Make sure a2enmod Apache module is enabled.
  3. Restart the Apache server.
chmod 664 /var/www/domain.com/.htaccess
a2enmod rewrite
systemctl restart apache2