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Install Apache on CentOS 7 Server - Step by Step Process ?

This article covers how to install Apache on your CentOS 7 system. You can now ready to start deploying your applications and use Apache as a web server.

Basically, The Apache HTTP server is the most widely-used web server in the world. It provides many powerful features including dynamically loadable modules, robust media support, and extensive integration with other popular software.


To Install Apache on CentOS:

1. Update the local Apache httpd package index to reflect the latest upstream changes:

$ sudo yum update httpd

2. Once the packages are updated, install the Apache package:

$ sudo yum install httpd

3. Enable firewalld's http service with the following command:

$ sudo firewall-cmd --permanent --add-service=http

4. Configure Apache to serve content over HTTPS, you will also want to open up port 443 by enabling the https service:

$ sudo firewall-cmd --permanent --add-service=https

5. Finally, reload the firewall to put these new rules into effect:

$ sudo firewall-cmd --reload


Install MariaDB on Debian 9 Server - Step by Step Process ?

This article covers how to install MariaDB version on a Debian 10 server, and verify that it is running and has a safe initial configuration.


How To Install MariaDB on Debian 10 ?

1. To install MariaDB, update the package index on your server with apt:

$ sudo apt update

2. Then install the package:

$ sudo apt install mariadb-server

3. To Configure MariaDB, Run the security script:

$ sudo mysql_secure_installation


Configure Apache Virtual Hosts on Debian 9 - Step by Step Process ?

This article covers how to Configure up Apache Virtual Hosts on a Debian 10 server. Using Apache Virtual Hosts you can host multiple domains on a single server. 

Apache will break its functionality and components into individual units so you can customize independently. The basic unit that describes an individual site or domain is called a virtual host.


How to configure Apache Virtual Hosts on Debian ?

Apache is a free and open source web server used web server in the world, and it is commonly used in Linux servers.

To install Apache:

1. Check whether apache is already installed and running on your server. You can do this with the following command:

$ dpkg -l apache2

2. If apache is not installed, you can do this by running the following commands. First, make sure that the system repositories are up to date:

$ apt-get update

3. To install the Apache web server, execute the following:

$ apt-get install apache2

4. After the installation is complete, you should enable Apache to start automatically upon server reboot with:

$ systemctl enable apache2

5. You can also check the status of your Apache service with the following command:

$ systemctl status apache2

If you want to secure your website with an SSL certificate, you can generate and Install a free Letsencrypt SSL certificate.


Install WordPress with Nginx on Ubuntu 20.04 LTS - Step by Step Process ?

This article covers how to install WordPress on Ubuntu 20.04 with Nginx HTTP Server and Let's Encrypt wildcard SSL Certificates. WordPress is a free, open-source, and most popular content management system that allows you to create a blog on the Internet.


You can install nginx, MariaDB, PHP and all the required PHP extensions with the following command:

$ apt-get install nginx mariadb-server php php-curl php-mysql php-gd php-intl php-mbstring php-soap php-xml php-xmlrpc php-zip php-fpm -y

Once the LEMP server is installed, start the Nginx and MariaDB service with the following command:

$ systemctl start nginx
$ systemctl start mariadb


Nginx's inbuilt features includes:

  • Nginx is built to work on low memory usage.
  • It can support extremely high concurrency.
  • Is Ipv6 enabled.
  • Supports reverse proxy with efficient caching.
  • Provides an inbuilt load balancer.
  • Supports WebSockets.
  • Optimized handling of index files, static files and provides auto indexing.
  • Is accompanied with FastCGI for efficient caching.


Install PHP (7.3, 7.2) on Debian 9 Stretch - Step by Step Process ?

This article covers how to install PHP 7.3 on Debian 9 (Stretch) and Debian 8 (Jessie). With PHP 7.3 comes a number of bug fixes, new functionalities and features as well as a number of deprecations.


To Set Default PHP Version on Debian ?

You can set the default PHP version with the below command incase your system has multiple PHP versions. Change php7.3 with the version you want to set as the default PHP version:

$ sudo update-alternatives --set php /usr/bin/php7.3


Install Apache on Debian 9 Server - Step by Step Process ?

This article covers how to install an Apache web server on your Debian 9 server. The Apache HTTP server is the most widely-used web server in the world. It provides many powerful features including dynamically loadable modules, robust media support, and extensive integration with other popular software.


How to Install Apache ?

1. Let's begin by updating the local package index to reflect the latest upstream changes:

$ sudo apt update

2. Then, install the apache2 package:

$ sudo apt install apache2

 After confirming the installation, apt will install Apache and all required dependencies.


The Apache profiles begin with WWW:

1. WWW: This profile opens only port 80 (normal, unencrypted web traffic).

2. WWW Cache: This profile opens only port 8080 (sometimes used for caching and web proxies).

3. WWW Full: This profile opens both port 80 (normal, unencrypted web traffic) and port 443 (TLS/SSL encrypted traffic).

4. WWW Secure: This profile opens only port 443 (TLS/SSL encrypted traffic).


How to Manage Apache Process ?

To stop your web server, type:

$ sudo systemctl stop apache2

To start the web server when it is stopped, type:

$ sudo systemctl start apache2

To stop and then start the service again, type:

$ sudo systemctl restart apache2

If you are simply making configuration changes, Apache can often reload without dropping connections. To do this, use this command:

$ sudo systemctl reload apache2

By default, Apache is configured to start automatically when the server boots. If this is not what you want, disable this behavior by typing:

$ sudo systemctl disable apache2

To re-enable the service to start up at boot, type:

$ sudo systemctl enable apache2

Apache should now start automatically when the server boots again.


Install LEMP Stack on Debian 9 - Step by Step Process ?

This article covers steps to install a LEMP stack on a Debian 10 server using MariaDB as the database management system. The LEMP software stack is a group of software that can be used to serve dynamic web pages and web applications. The name "LEMP" is an acronym that describes a Linux operating system, with an (E)Nginx web server. The backend data is stored in a MariaDB database and the dynamic processing is handled by PHP.

Although this software stack typically includes MySQL as the database management system, some Linux distributions — including Debian — use MariaDB as a drop-in replacement for MySQL.


To install Nginx Web Server.

1. Run the apt commands:

$ sudo apt update
$ sudo apt install nginx

On Debian 10, Nginx is configured to start running upon installation.


Install LAMP Stack on Debian 9 - Step by Step Process ?

This article covers how to install LAMP on Debian server along with PHPMyAdmin to manage your database. LAMP stands for Linux OS, with Apache web server, Data store in a MySql or MariaDB database, and dynamic content is processed by PHP.


To install Apache on Debian:

1. Run the following command:

$ apt-get install apache2

2. To restart your web server by typing the following command:

$ service apache2 restart


Install LEMP Stack on Ubuntu 18.04 - Step by Step Process ?

This article covers how to Install a LEMP Stack on Ubuntu 20.04 LTS. LEMP stack is a group of open-source software that is typically installed together to enable a server to host dynamic websites and web apps. LEMP stands for Linux OS, with the Nginx (pronounced like "Engine-X") web server, Data store in a MySQL database, and dynamic content is processed by PHP.


To install Nginx Web Server:

1.  Run the commands below to install Nginx.

$ sudo apt update
$ sudo apt install nginx

2. Allow traffic on port 80.

$ sudo ufw allow 'Nginx HTTP'

You can verify the change by running:

$ sudo ufw status


Install LAMP Stack on Ubuntu 18.04 - Step by Step Process ?

This article covers step by step process to install a LAMP stack on an Ubuntu 18.04 server. LAMP stack is a group of open-source software that is typically installed together to host dynamic websites. LAMP stands for Linux OS, with Apache web server, Data store in a MySQL database, and dynamic content is processed by PHP.


To Install Apache and Update the Firewall.

1. Install Apache using Ubuntu’s package manager, apt:

$ sudo apt update
$ sudo apt install apache2

2. Allow incoming HTTP and HTTPS traffic for this profile:

$ sudo ufw allow in "Apache Full"


Install Composer on Linux Mint 20 - Step by Step Process ?

This article covers how to install Composer on your Linux system and use it for handling the packages and dependencies of the PHP programming language. Composer is a dependency manager for PHP (similar to npm for Node.js or pip for Python ).

With Composer, you can specify the PHP libraries your project depends on, and it will pull and manage all libraries and dependencies for you. 

Composer is used in all modern PHP frameworks and platforms such as Laravel, Symfony, Drupal, and Magento.


To install PHP Composer on Ubuntu:

1. Ensure that you have all the necessary requirements installed on your system:

$ sudo apt update
$ sudo apt install wget php-cli php-zip unzip

2. Composer offers an installer written in PHP that we’ll use to install Composer. Use wget to download the installer:

$ wget -O composer-setup.php https://getcomposer.org/installer

The command above will save the file as composer-setup.php in the current working directory .

3. Run the following command to install Composer in the /usr/local/bin directory:

$ sudo php composer-setup.php --install-dir=/usr/local/bin --filename=composer

4. To install composer locally enter:

$ sudo php composer-setup.php --install-dir=/path/to/project

5. When a new Composer version is available, you can update your installation using the following command:

$ sudo composer self-update 


Install PHP On Ubuntu 18.04 | 16.04 - Step by Step Process ?

This article covers steps To Install Linux, Apache, MySQL, PHP (LAMP) stack on Ubuntu Linux System. PHP stands for Hypertext Preprocessor, and it’s a script-based server-side programming language. PHP is often used to automate server tasks. It handles tasks like dynamic content, database requests, and processing and displaying data.

A "LAMP" stack is a group of open source software that is typically installed together to enable a server to host dynamic websites and web apps. 

This term is actually an acronym which represents the Linux operating system, with the Apache web server. 

The site data is stored in a MySQL database, and dynamic content is processed by PHP.


To Install PHP 7.2 with Apache on Ubuntu:

1. Ensure you are using the latest Ubuntu updates by entering the following command into a terminal window:

$ apt-get update && apt-get upgrade

2. To install PHP 7.2, enter the following command:

$ sudo apt-get install php libapache2-mod-php

Confirm the installation by hitting Enter. The system will download and install PHP from the software repositories. This command also installs dependencies and modules for use with Apache.

3. Verify PHP was installed, with the command:

$ php -v


Install and Configure Memcached on CentOS 8 - Step by Step Process ?

This article covers how to install and configure the Memcached caching server on CentOS 8 system through the command-line tool.

Now, you can easily install and configure the Memcached server on your CentOS 8 system easily. 

Memcached is a free and open-source high-performance in-memory key-value data store.

Typically, it used as a caching system to speed up applications by caching various objects from the results of database calls.


To install memcached on CentOS, perform the following tasks as a user with root privileges:

1. Install memcached and its dependencies:

$ yum -y update
$ yum install -y libevent libevent-devel
$ yum install -y memcached
$ yum install -y php-pecl-memcache

2. Change the memcached configuration setting for CACHESIZE and OPTIONS:

i. Open /etc/sysconfig/memcached in a text editor.

ii. Locate the value for CACHESIZE and change it to at least 1GB. For example

CACHESIZE="1GB"

iii. Locate the value for OPTIONS and change it to localhost or 127.0.0.1

3. Save your changes to memcached and exit the text editor.

4. Restart memcached.

$ service memcached restart

5. Restart your web server.

For Apache:

$ service httpd restart


Install Zabbix Agent on Ubuntu 20.04 - Step by Step Process ?

This article covers how to install the Zabbix Agent on a Ubuntu 20.04 system very conveniently.
You can ensure the successful installation of the Zabbix Agent by checking its Active status on your system. However, you can also uninstall it anytime you want.
Zabbix agent is installed on the remote host (target) to monitor the hard drive, memory processor, etc. The agent collects data and sends back to Zabbix Server.
Zabbix agents can use passive or active checks to pass information.
In passive check, Zabbix server (poller) requests an agent for certain information, and the agent sends back a value.
In the active check, the agent process all data and pushes it to the Zabbix server.
However, agent periodically connects the server to collect metric which needs to be monitored.


To Configure Zabbix agent:
Make necessary changes on the Zabbix Agent configuration file "/etc/zabbix/zabbix_agentd.conf".
After making changes, Save the changes and exit the file.
Then restart Zabbix agent service to the changes to be effected.

$ sudo systemctl restart zabbix-agent


To Configure the firewall on Zabbix agent:
1. If you have UFW firewall enables, execute the commands:

$ sudo ufw allow 10050/tcp

2. Then reload the firewall

$ sudo ufw reload

3. And verify that the port has been opened or allowed on the firewall.

$ sudo ufw status


Install phpMyAdmin with Apache on Ubuntu 20.04 - Step by Step Process ?

This article covers how you can  seamlessly install phpMyAdmin on your Ubuntu Linux system.

Working with a database can sometimes be intimidating, but PhpMyAdmin can simplify tasks by providing a control panel to view or edit your MySQL or MariaDB database.

To Install phpMyAdmin on Ubuntu:
1. Update the apt package tool to ensure we are working with the latest and greatest.

$ apt update && upgrade

2. Install PhpMyAdmin and PHP extensions for managing non-ASCII string and necessary tools.

$ apt install phpmyadmin php-mbstring php-gettext

During this installation you’ll be asked for the web server selection, we will select Apache2 and select ENTER.
Here, you have the option for automatic setup or to create the database manually.
For us, we will do the automatic installation by pressing ENTER for yes.
3. At this setup, you'll be asked to set the PhpMyAdmin password.
Specifically for the PhpMyAdmin user, phpmyadmin,  you'll want to save this in a secure spot for later retrieval.
4. Enable PHP extension.

phpenmod mbstring

5. Restart the Apache service to recognize the changes made to the system.

# systemctl restart apache2


Install LAMP Stack on Red Hat Enterprise Linux 8 - Step by Step Process ?

This article covers the installation of the LAMP stack (i.e., Linux, Apache, MariaDB, and PHP) on RHEL 8.

LAMP stands for Linux, Apache, MariaDB/MySQL and PHP, all of which are open source.


With the yum commands below, install LAMP stack:

# Will automatically update

$ sudo yum -y update

# Will automatically install Apache/HTTPD

$ sudo yum -y install httpd


To Install MariaDB Database Server on CentOS 8/RHEL 8:

1. Enter the following command to install MariaDB on CentOS 8/RHEL 8.

# dnf install mariadb-server mariadb -y

2. After it's installed, we need to start it.

# systemctl start mariadb

3. Enable auto start at system boot time.

# systemctl enable mariadb

4. Check status:

# systemctl status mariadb


Install and Use Curl Command on Ubuntu 20.04 - Step by step process to implement it ?

This article covers how to set up curl command on your Ubuntu 20.04 LTS machine. curl command is a tool to download or transfer files/data from or to a server using FTP, HTTP, HTTPS, SCP, SFTP, SMB and other supported protocols on Linux or Unix-like system.


To Install cURL for Ubuntu Linux:

1. Update your Ubuntu box, run: 

$ sudo apt update && sudo apt upgrade

2. Next, install cURL, execute: 

$ sudo apt install curl

3. Verify install of curl on Ubuntu by running: 

$ curl --version


Install XAMPP on CentOS 8 - Step by Step process to do this ?

This article covers how to install XAMPP on your CentOS system. XAMPP is an easy to install and use Apache distribution packaged with MariaDB, PHP, and Perl.

XAMPP was first developed by a project team called Apache Friends. As an open-source Apache distribution of a PHP development environment, it consists of cross-platform software (X): Apache (A), MariaDB (M), PHP (P) and Perl (P). 


To install XAMPP on CentOS 8 Linux system:

1. Update system

Ensure your CentOS system is updated.

$ sudo dnf -y update
$ sudo dnf -y install libnsl

2. Download XAMPP on CentOS 8

Install wget on CentOS 8:

$ sudo dnf -y install wget

Download XAMPP installer. Choose the installer matching the PHP version you want to have.

### PHP 8.0 ###

$ wget https://www.apachefriends.org/xampp-files/8.0.1/xampp-linux-x64-8.0.1-0-installer.run

### PHP 7.4 ###

$ wget https://www.apachefriends.org/xampp-files/7.4.14/xampp-linux-x64-7.4.14-0-installer.run

### PHP 7.3 ###

$ wget https://www.apachefriends.org/xampp-files/7.3.26/xampp-linux-x64-7.3.26-0-installer.run

3. The binary installer should be executable.

### PHP 8.0 ###

$ chmod a+x xampp-linux-x64-8.0.1-0-installer.run

### PHP 7.4 ###

$ chmod a+x xampp-linux-x64-7.4.14-0-installer.run

### PHP 7.3 ###

$ chmod a+x xampp-linux-x64-7.3.26-0-installer.run

4. Then run the XAMP installer:

### PHP 8.0 ###

$ sudo ./xampp-linux-x64-8.0.1-0-installer.run

### PHP 7.4 ###

$ sudo ./xampp-linux-x64-7.4.14-0-installer.run

### PHP 7.3 ###

$ sudo ./xampp-linux-x64-7.3.26-0-installer.run


How to Start and use XAMPP on CentOS 8:

XAMPP is installed to /opt/lampp/. To start XAMPP services, run:

$ sudo /opt/lampp/lampp start

To verify installation of XAMPP on CentOS 8 visit the Apache web page:

http://localhost


Stopping and Uninstalling XAMPP on CentOS 8:

To stop XAMPP services run:

$ sudo /opt/lampp/lampp stop

To uninstall XAMPP on CentOS 8, run:

$ cd /opt/lampp
$ sudo ./uninstall
$ sudo rm-rf /opt/lampp


Install Memcached on Ubuntu 20.04 - Step by step process ?

This article covers how you can install Memcached on Ubuntu 20.04. Memcached has proved to be a very reliable caching system since its inception in 2003 and continues to be a favorite among developers in speeding up web applications. 

Memcached is a high-performance, distributed memory object caching server. It is free and open source software intended for use in speeding up dynamic web applications by mitigating database load.


To install and configure memcached on Ubuntu:

1. Update your Ubuntu server:

$ sudo apt update
$ sudo apt upgrade

2. Install memcached server on Ubuntu:

Run apt command as follows:

$ sudo apt install memcached

3. Configure memcached server:

Edit config file named /etc/memcached.conf using a text editor such as nano command or vim command:

$ sudo nano /etc/memcached.conf

OR

$ sudo vi /etc/memcached.conf


How to restart, stop, reload memcached server on Ubuntu:

To Stop service - $ sudo systemctl stop memcached

To start Service - $ sudo systemctl start memcached

To restart Service - $ sudo systemctl restart memcached

To check the status - $ sudo systemctl status memcached


Install Apache Web Server on CentOS 8 - Step by Step process to do it ?

This article covers how to install Apache web server on CentOS 8 distribution. With Apache we server, you can host web pages over the network. Apache is available within CentOS's default software repositories, which means you can install it with the dnf package manager.


To install Apache on CentOS:

1. Execute the command below to install the Apache package:

$ sudo dnf install httpd

After confirming the installation, dnf will install Apache and all required dependencies.

2. If you also plan to configure Apache to serve content over HTTPS, you will also want to open up port 443 by enabling the https service:

$ sudo firewall-cmd --permanent --add-service=https

3. Next, reload the firewall to put these new rules into effect:

$ sudo firewall-cmd --reload

After the firewall reloads, you are ready to start the service and check the web server.


To check your Apache Web Server:

1. Apache does not automatically start on CentOS once the installation completes, so you will need to start the Apache process manually:

$ sudo systemctl start httpd

2. Verify that the service is running with the following command:

$ sudo systemctl status httpd

You will receive an active status when the service is running.


To manage the Apache Process on CentOS:

Now that the service is installed and running, you can now use different systemctl commands to manage the service.

1. To stop your web server, type:

$ sudo systemctl stop httpd

2. To start the web server when it is stopped, type:

$ sudo systemctl start httpd

3. To stop and then start the service again, type:

$ sudo systemctl restart httpd

4. If you are simply making configuration changes, Apache can often reload without dropping connections. To do this, use this command:

$ sudo systemctl reload httpd

5. By default, Apache is configured to start automatically when the server boots. If this is not what you want, disable this behavior by typing:

$ sudo systemctl disable httpd

6. To re-enable the service to start up at boot, type:

$ sudo systemctl enable httpd

Apache will now start automatically when the server boots again.


Install and Configure Apache Web Server with Virtual Host on Debian 10 - Do it now ?

This article covers how to perform installation and configuration of Apache web server on Debian 10.

Also, you will learn how to create virtual hosts on an Apache server and troubleshoot errors. These steps are almost the same for Ubuntu and LinuxMint distributions.

Apache HTTP Server is a free and open-source web server that delivers web content through the internet. It is commonly referred to as Apache and after development, it quickly became the most popular HTTP client on the web.


On most systems if you installed Apache with a package manager, or it came preinstalled, the Apache configuration file is located in one of these locations: /etc/apache2/httpd. conf. /etc/apache2/apache2.


Debian/Ubuntu Linux Specific Commands to Start/Stop/Restart Apache:

1. Restart Apache 2 web server, enter: # /etc/init.d/apache2 restart. $ sudo /etc/init.d/apache2 restart.

2. To stop Apache 2 web server, enter: # /etc/init.d/apache2 stop.

3. To start Apache 2 web server, enter: # /etc/init.d/apache2 start.


To check running status of LAMP stack:

1. For Ubuntu: # service apache2 status.

2. For CentOS: # /etc/init.d/httpd status.

3. For Ubuntu: # service apache2 restart.

4. For CentOS: # /etc/init.d/httpd restart.

5. You can use mysqladmin command to find out whether mysql is running or not.


MariaDB on Debian 10 - Step by step process to install it ?

This article will guide you on the different methods to conveniently install and start the MariaDB service on a Debian 10 system. Also, we dealt with how to easily remove MariaDB from your Debian 10 system. 

In MariaDB replication is faster whereas in MySQL replication is slower. 

MariaDB is Open Source whereas MySQL uses some proprietary code in its Enterprise Edition. 

MariaDB doesn't support Data Masking and Dynamic column while MySQL supports it. Comparatively MariaDB is faster than MySQL.

Since MariaDB is a fork of MySQL, the database structure and indexes of MariaDB are the same as #MySQL. 

This allows you to switch from MySQL to MariaDB without having to alter your applications since the data and data structures will not need to change. Data and table definition files are compatible.


To install #MariaDB on #Debian , follow these steps:

1. First update the apt packages index by typing: sudo apt update.

2. Once the packages list is updated, install MariaDB by running the following command: sudo apt install mariadb-server.

3. The MariaDB service will start automatically.


Install Linux, Apache, MariaDB, PHP (LAMP) Stack on Debian 10 - Step by step process to do it ?

This guide will help you on how to #install the LAMP stack (Linux, Apache, MariaDB, and PHP ) in your #Debian system. 

LAMP stands for Linux, Apache, MySQL, and PHP. Together, they provide a proven set of software for delivering high-performance web applications.

For a web application to work smoothly, it has to include an operating system, a web server, a database, and a programming language. 

A LAMP Stack is a set of open-source software that can be used to create websites and web applications. 

LAMP is an acronym, and these stacks typically consist of the Linux operating system, the Apache HTTP Server, the MySQL relational database management system, and the PHP programming language.

To Install #LAMP stack on Ubuntu:

1. Update your system. sudo apt-get update.

2. Install Mysql. sudo apt-get install mysql-server mysql-client libmysqlclient-dev.

3. Install #Apache server.

4. Install #PHP (php7.0 latest version of PHP).

5. Install #Phpmyadmin (for #database).


MySQL on Ubuntu 20.04 LTS - How to Install and Configure ?

This article will guide you on how to install and configure #MySQL server on the #Linux system Ubuntu 20.04 in this article. Also, we have explored different basic commands to run MySQL server. MySQL is a relational #database that uses SQL to query a database. It facilitates data storing, modifying, and management in a tabular format. To install the latest version of MySQL in #ubuntu: 1. Enable MySQL #Repositories. 2. Install MySQL Repositories. 3. Refresh the Repositories. 4. Install MySQL. 5. Set up MySQL Security. 6. Start, Stop, or Check Status of MySQL Service. 7. Launch MySQL to Enter #Commands.



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