Category Archives: Linux (Ubuntu)

How to Setup Automatic Security Updates on Ubuntu 16.04

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How to Setup Automatic Security Updates on Ubuntu 16.04
Security updates are an integral part of the IT-world. Linux may be regarded as one of the securest computer operating systems, but that doesn’t take away the fact that it too has vulnerabilities that need to be fixed through timely security updates. In this tutorial, we will show you how to step-by-step configure Ubuntu 16.04 server for automatic security updates

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Install WebMail Lite PHP based Webmail Client on Debian 9.1

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Install WebMail Lite PHP based Webmail Client on Debian 9.1
In this guide, we’ll show you how to install the latest version of WebMail Lite PHP in Debian 9.1 and show you how to configure the application to fetch e-mails from a popular mail service Yahoo! Mail. The tutorial can be used for your own mail services as well, Yahoo is just used as an example.

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How to Setup Zammad Ticketing System on Ubuntu 16.04

Zabihah Halal Vitamins
How to Setup Zammad Ticketing System on Ubuntu 16.04
Zammad is an open source helpdesk/customer support system written in Ruby. It’s a web-based ticketing system with many features, including support to manage customer communication over several channels like Facebook, telegram, chat, and emails. In this tutorial, we will show you how to install and configure Zammad Ticketing System using Nginx web server and PostgreSQL for the database system.

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How to records statistics about a Linux machine’s uptime

How to records statistics about a Linux machine’s uptime
Linux/Unix sysadmins have a weird obsession with server uptime. There is a xkcd comic devoted to this subject where a good sysadmin is an unstoppable force that it stands between the forces of darkness and your cat blog’s servers.
Fig.01: Devotion to Duty https://xkcd.com/705/
One can tell how long the Linux system has been running using the uptime command or w command or top command. I can get a report of the historical and statistical running time of the system, keeping it between restarts using tuptime tool. Like uptime command but with the more impressive output. Recently I discovered another tool called uptimed that records statistics about a machine’s uptime. Let us see how to get uptime record statistics using uptimed and uprecords on Linux operating system.
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Install Debian 9 (Stretch) via PXE Network Boot Server

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Install Debian 9 (Stretch) via PXE Network Boot Server
In this tutorial, we’ll guide you on how to install the latest version of Debian 9 server via a PXE server with internet remote HTTP mirror sources offered by Debian archive mirrors. The DHCP server that we’ll use in this tutorial to setup PXE environment will be ISC-DHCP Server and the netboot Debian files will be served on the local network by TFTPD-HPA server.

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How to Install VisualEditor for MediaWiki on CentOS 7

Zabihah Halal Vitamins
How to Install VisualEditor for MediaWiki on CentOS 7
In this tutorial, I will show you how to step-by-step install and configure VisualEditor for latest MediaWiki version 1.30. VisualEditor is a rich-text editor for MediaWiki. It’s available as an extension and relies on the Parsoid parser service to be up and running for editing MediaWiki pages.

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How to Install PrestaShop on Debian 9

Zabihah Halal Vitamins
How to Install PrestaShop on Debian 9
In this guide, we’ll show you how to install and configure the latest version of Prestashop on Debian 9.1. Prestashop is a free Open Source e-commerce content management platform written in PHP programming language which is often deployed on Linux under Apache/Nginx web servers, PHP and MySQL/MariaDB database management system.

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How to Install Varnish Cache with Apache on CentOS 7

Zabihah Halal Vitamins
How to Install Varnish Cache with Apache on CentOS 7
Varnish is a proxy server focused on HTTP caching. It’s designed as an HTTP accelerator and can act as reverse proxy for your web server Apache or Nginx. In this tutorial, we will show you how to install and configure varnish HTTP accelerator as a reverse proxy for Apache web server.

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Improve your bash/sh shell script with ShellCheck lint script analysis tool

Improve your bash/sh shell script with ShellCheck lint script analysis tool
ShellCheck is a static analysis tool for shell scripts. One can use it to finds bugs in your shell scripts. It is written in Haskell. You can find warnings and suggestions for bash/sh shell scripts with this tool. Let us see how to install and use ShellCheck on a Linux or Unix-like system to enhance your shell scripts, avoid errors and productivity.
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