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How to Install Checkmk Ubuntu Linux
This tutorial provides a step-by-step guide on how to install and set up the Checkmk monitoring software on Ubuntu 16.04 and 18.04. Checkmk, an enhanced Nagios monitoring platform, updates users on infrastructure status, including disk failures and memory issues. Steps include updating Ubuntu, downloading and installing Checkmk, creating a Checkmk monitoring instance and adding a…
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How to Install OTRS Ticketing Systems on Ubuntu Linux
The tutorial guides users on installing and configuring OTRS Ticketing Systems on Ubuntu 18.04 | 16.04. It describes how to set up various components like the Apache2 HTTP Server, Perl, and the MariaDB database server. The tutorial also includes detailed instructions on downloading, setting up, and launching OTRS. Lastly, the guide directs the user to…
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How to Install InfluxDB on Ubuntu Linux
This tutorial guides students and beginners on how to install and configure InfluxDB, an open-source time series database, on Ubuntu 18.04 | 16.04. The most efficient method is by installing it directly from its official repository. The tutorial also provides instructions on creating an admin account and accessing the InfluxDB terminal console.
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Speed Up Nginx: Using RAM for Cache Optimization
The tutorial provides step-by-step instructions on how to enhance Nginx’s performance by mounting caching modules like ngx_pagespeed, fastcgi_cache, or proxy_cache in RAM using tmpfs. This method offers improved cache performance compared to storing cache data on a disc. Key steps include ascertaining system memory usage, creating a tmpfs RAM space, setting up Nginx to utilize…
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How to Install OpenNebula on Ubuntu Linux
This tutorial provides a step-by-step guide on how to install and configure OpenNebula, an open-source cloud computing platform, on Ubuntu 18.04 and 16.04. The process involves installing the MariaDB database server, setting up the OpenNebula database, installing OpenNebula from its repository, configuring the services, and adding KVM nodes. It further explains how to access the…
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How to Update and Upgrade Ubuntu Software Packages
This tutorial guides beginners on how to update and upgrade software packages on Ubuntu systems, applicable to Ubuntu versions 18.04, 16.04 and beyond. It details how to perform updates via the Terminal using Advanced Packaging Tool (APT) and from the GUI through the Software Updater. Regular updates protect systems by addressing security vulnerabilities and resolving…
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How to Install Postal Mail Server on Ubuntu Linux
This detailed tutorial explains how to install and set up Postal Mail Server on Ubuntu 18.04/16.04 systems. The process includes installing and configuring MariaDB Database Server, Ruby, RabbitMQ, and Node.js. More steps involve creating a Postal Mail Server database, setting up a RabbitMQ VirtualBox, and installing the Postal Mail Server itself. Lastly, it guides the…
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Secure WordPress Admin Access with IP Whitelisting
This article outlines how to enhance WordPress security by restricting admin access via IP address using the Nginx server. By allowing only specified trusted IPs, users can protect their sites from unauthorized logins. The guide provides detailed steps for configuration and testing to ensure proper access restrictions.
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How to Create a Volume Group with LVM on Ubuntu Linux
The tutorial guides users on how to use the Linux Logical Volume Management (LVM) system to create a volume group using physical volumes, on Ubuntu. The process involves installing the LVM2 package and combining multiple 1GB hard drives to create a 2GB storage volume. To create logical volumes, the lvcreate command is needed.
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How to Install Apache Groovy on Ubuntu Linux
The content demonstrates a step-by-step tutorial on installing Apache Groovy, a powerful dynamic language for the Java platform, on Ubuntu 18.04 or 16.04. The process involves updating the server, installing OpenJDK 8, downloading and installing Groovy, and setting up the Groovy environment. Verification checks are run after key installation procedures to ensure successful setup.