Tag : Ubuntu

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Tutorial: An Introduction to Managing a Linux Server with systemd

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What is systemd? Systemd is the System Management Daemon, which provides a standard for controlling the Linux boot process. It is named per the UNIX convention of adding ‘d’ to the end of daemon’s name. Systemd is intended as a drop-in replacement for the very common init start-up scripts for......
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How to Install MongoDB on Ubuntu 14.04 LTS

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MongoDB is a NoSQL database intended for storing large amounts of data in document-oriented storage with dynamic schemas. NoSQL refers to a database with a data model other than the tabular format used in relational databases such as MySQL, PostgreSQL, and Microsoft SQL. MongoDB features include: full index support, replication,......
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How to Use Ansible

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Ansible is an easy to use automation software that can update a server, configure tasks, manage daily server functions and deploys jobs as needed on a schedule of your choosing. It is usually administered from a single location or control server and uses SSH to connect to the remote servers.......
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How to Install XCache on Ubuntu 12.04 LTS

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Note: Please note that this article is considered legacy documentation because Ubuntu 12.04 has reached its end-of-life support. Pre-Flight Check These instructions are intended specifically for installing XCache, an open-source opcode cacher, on Ubuntu 12.04 LTS. I’ll be working from a sxi.io Web Core Managed Ubuntu 12.04 LTS server with......
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Installing and using UFW on Ubuntu 16.04 LTS

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On an Ubuntu server the default firewall management command is iptables. While iptables provides powerful functionality it’s syntax is often seen as complex. For most users a friendlier syntax can make managing your firewall much easier. The uncomplicated firewall (UFW) is an alternative program to iptables for managing firewall rules.......
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How to Install Node.js via NVM (Node Version Manager) on Ubuntu 12.04 LTS

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Node.js is a cross-platform runtime environment, configurable on Linux, OS X, and Microsoft Windows, and built on JavaScript. Applications, both server-side and networking, are also written in JavaScript. Node.js lends itself nicely to quick deploying, real-time web applications, and is generally thought of as extremely scalable due to its event-driven......
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How To Install Apache Tomcat 7 on Ubuntu 16.04

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Apache Tomcat is used to deploy and serve JavaServer Pages and Java servlets. It is an open source technology based off Apache. Pre-Flight Check This document assumes you are installing Apache Tomcat on Ubuntu 16.04. Be sure you are logged in as root user. Installing Tomcat 7 Step 1: Create the......
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How to Install MariaDB on Ubuntu 18.04

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MariaDB is a drop in replacement for MySQL, and its popularity makes for several other applications to work in conjunction with it. If you’re interested in a MariaDB server without the maintenance, then check out our high-availability platform. Otherwise, we’ll be installing MariaDB 10 onto our sxi.io Web Ubuntu server,......
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Kubernetes Tutorial

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What is Kubernetes? The name Kubernetes has its origins from the original Greek term for helmsman or pilot. Kubernetes, or ‘k8s’ (pronounced “Kate’s”) as it’s sometimes referred to, is an open-source software tool that was originally created by Google and is now being maintained by the Cloud Native Computing Foundation.......
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What is the Default Password for PostgreSQL?

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When connecting to PostgreSQL on Linux for the first time many admins have questions, especially if those admins are from the MySQL world. By default, when PostgreSQL is installed, a postgres user is also added. If you run the command: cat /etc/passwd … you’ll see the postgres user. postgres:x:26:26:PostgreSQL Server:/var/lib/pgsql:/bin/bash......
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Information on CVE-2014-0196 Vulnerability for CentOS and Ubuntu

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A vulnerability found in the Linux kernel, specifically a flaw with the pseudo tty (pty) device, allows an unprivileged user to cause a denial of service (system crash) or potentially gain administrator privileges. A small number of CentOS and Ubuntu versions are vulnerable, thus we want to highlight the following......