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Linux Basics – An Intro to Log Files

Linux Basics – An Intro to Log Files

Linux Log Files Linux log files are a wonderful source of information. They can be used for debugging and troubleshooting almost any running application. If you are bored of watching TV, try staring at your Linux log files for a while. It can get addictive. Linux logs are mostly stored in plain text. Most log […]

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Linux Basics – man and mkdir

Linux Basics – man and mkdir

The Linux ‘man’ command The Linux man command is one of the lesser known helpers for those new to Linux. Typing in ‘man find’ give you a whole manual page on the ‘find’ command and this is what ‘man’ is short for – Manual. Let us see part of the ‘man find’ command and its output: […]

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Linux Basics – the ‘kill’ command and process signals

Linux Basics – the ‘kill’ command and process signals

The kill command The kill command is used in Linux to terminate a running process. Various signals may be passed via the kill command to either terminate the process gracefully, tell the process to restart or to shut it down forcefully. We will first cover the process table and then some commonly used signals. Process Table The […]

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Linux Basics – Navigation

Linux Basics – Navigation

The Linux system can be a confusing place for someone new to Linux. So we decided to steal some tips from our Linux guru’s at Host Africa. The following basics will help you manage: Current location A useful command to use to find out where you currently are is pwd. This command, like a lot of Linux […]

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WordPress – Some good tutorials

WordPress – Some good tutorials

As we have now started a WordPress only hosting package at HostAfrica, I thought I would put together a few links to some WordPress tutorials on the web. WordPress tutorials for beginners A beginner’s guide to creating a WordPress website This complete guide to creating your first WordPress site is a great place to start if […]

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Howto – A short MySQL tutorial with examples – 03

Howto – A short MySQL tutorial with examples – 03

In our previous MySQL tutorial, we did some basic SELECT queries, a CONCAT for output and a JOIN to lookup data on a different table that was linked or RELATED to our client database. In this MySQL tutorial, we will continue with a DOUBLE JOIN and discuss UPDATES and DATA MANIPULATION. We will also have a […]

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Howto – A short MySQL tutorial with examples – 02

Howto – A short MySQL tutorial with examples – 02

In our previous MySQL tutorial, we created a small database with four tables. In this article, we will learn to manipulate the data we entered using JOIN to derive data from a table using data from another table. We will also modify the output using the MySQL CONCAT command. Our MySQL Data Our data consists […]

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Howto – A short MySQL tutorial with examples – 01

Howto – A short MySQL tutorial with examples – 01

Following on my previous article on databases and database planning, I have decided to add a quick practical tour of a MySQL database. MySQL and MariaDB are equivalent for the purpose of this article as they both use the exact same syntax. We will assume that you have access to a MySQL/MariaDB server and have […]

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Firewalls – General Concepts explained

Firewalls – General Concepts explained

Most of us have heard of firewalls, but do we understand the concepts that make them work. This week, Host Africa will take a look at some basic firewall concepts and try to make them a bit easier to understand. Types of firewall Traditionally, there are two main types with many variations in-between. These two […]

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SSL certificates at Host Africa

SSL certificates at Host Africa

The assortment of SSL certificates available may be confusing and could result in purchasing more (or less) than we need. Using a few questions, we can quickly arrive at a correct decision. Is your website for personal or business use? This hinges on what you want your website visitor to see. Is a valid HTTPS […]

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