Apache is the cornerstone of modern web servers and is a powerful software solution for a large percentage of today's internet economy.
According to a July 2018 research published by w3techs, Apache has a market share of around 45.9%. That being said, Apache web server is targeted by most hackers. The software is secure out-of-the-box but you can still harden it with some additional modules.
One of the most common methods of securing your Apache web server hosted on Alibaba Cloud is installing ModEvasive. This is a highly intelligent Apache module that provides evasive actions against Distributed Denial of Service and Brute Force attacks.
In this guide, we will show you how to safeguard your Apache web server hosted on Alibaba Cloud Elastic Compute Service (ECS) against DDoS and brute-force attacks.
The next step is installing Apache web server. You can skip this command if you have already installed the software on your system.
$ sudo apt-get install apache2
Press Y and hit Enter when prompted to confirm the installation.
You can always check if Apache is working by entering your server's public IP address on a web browser.
In this tutorial, we will learn how to setup an Apache Hadoop on a single node cluster in an Alibaba Cloud Elastic Compute Service (ECS) instance with Ubuntu 16.04.
Before starting, you will need to download the latest version of the Hadoop from their official website. You can download it with the following command:
Once the download is completed, extract the downloaded file with the following command:
tar -xvzf hadoop-3.1.0.tar.gz
Next, move the extracted directory to the /opt with the following command:
mv hadoop-3.1.0 /opt/hadoop
Next, change the ownership of the hadoop directory using the following command:
chown -R hadoop:hadoop /opt/hadoop/
Next, you will need to set an environment variable for Hadoop.
Seafile is a free, open source and cross-platform file storage system similar to Dropbox. It is used for sharing and syncing files between users and groups. It can be easily integrated with LDAP and WebDAV. It supports file versioning, snapshots and two-factor authentication. You can deploy it with MySQL, MariaDB, PostgreSQL, Apache and Nginx web server. Files are stored on Seafile server and can be synchronized with personal computers and mobile devices through apps. You can also access and manage Seafile through a web browser.
Before starting, you will need to install some dependencies in order to install Seafile. You can install all the dependencies by running the following command:
apt-get install apache2 openjdk-8-jre poppler-utils libreoffice libreoffice-script-provider-python libpython2.7 python-pip xfonts-wqy python-imaging python-mysqldb python-setuptools python-memcache ttf-wqy-microhei ttf-wqy-zenhei -y
Next, you will also need to install boto using pip:
pip install boto
Next, you will need to configure Apache as a reverse proxy server for seafile-server on port 8000 and 8002.
Websoft9 Roller is a pre-configured, ready to run image for running Roller on Alibaba Cloud. Websoft9 Roller is a pre-configured, ready to run image for running Roller on Alibaba Cloud. Apache Roller is a Java-based, full-featured, multi-user and group-blog server suitable for blog sites large and small.
Apache ActiveMQ is quick, supports numerous Cross Language Clients and Protocols, comes along with easy to use Enterprise Integration Patterns and many more advanced features.
The Apache log format and directory are generally in the
/etc/apache2/httpd.conf configuration file.
Security experts Yevgeniy Grushka and Alvaro Munoz from HPE discovered a DoS vulnerability in the Apache Strust2 REST plug-in. The Strust REST plug-in uses the XStream library, which is vulnerable to DoS attacks launched through malicious XML requests.
Elasticsearch is a Lucene-based data search and analysis tool that provides distributed services. Elasticsearch is an open-source product that complies with the Apache open standards. It is the mainstream search engine for enterprise data.
Log Service is a complete real-time data logging service that has been developed by Alibaba Group. Log Service supports collection, consumption, shipping, search, and analysis of logs, and improves the capacity of processing and analyzing large amounts of logs.
This course aims to help users who want to understand Big Data technology and data processing through cloud products. Through learning, users can fully understand the concept of Big Data and what is Hadoop, which is a firm foundation for the later study of Big Data technology.
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