Blog
This year has seen some pretty interesting technology trends. We have a quick look at some of them and what they may mean….. Machine Learning or Deep Learning (ML or DL) Technology Machine learning and Deep Learning technology is already on the edge of a revolution. They are widely adopted in datacenters (Amazon making graphical […]
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Linux Security is dependant on the administrator One of the advantages of using Linux is that its security tends to be so much better than that of the competing alternatives. The fact remains, however, that no operating system is perfectly secure. A lazy administrator can destroy all the good work put into Linux as far as […]
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Know the purpose of your domain or website At Host Africa, we have seen that having a website is no recipe for success. Some companies only have a web domain so that their email address corresponds to the company name. This a very valid reason to have a domain and better than having a website misrepresenting […]
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What is SCRUM? Scrum is a software product development strategy that can be used for project management as well. It organizes people as a team to reach a common goal — creating a ready-for-market product. It is a widely used subset of Agile software development. Scrum software development starts with a wish list of features […]
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What should I do to upgrade my PC performance? This is a question many people have both heard and asked. The answer is not totally straightforward. It depends on both the operating system (Mac, Linux or Windows) and the purpose of the PC in question. An upgrade needs to be tailored to purpose. I am […]
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What is the fuss about SSD and what is it? At Host Africa, we only use SSD storage. Thus we thought we could do an article telling you a bit about this magical storage medium. What is SSD? Well according to Wikipedia “A solid-state drive (SSD) is a solid-state storage device that uses integrated circuit assemblies as memory to store data persistently. It is […]
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It’s not a noise, it’s a command! The awk command is one of those strange commands, much like the extinct bird with the same name. You either love it or you hate it. Either way, it is an impressive command and what many do not realize is that it is also a complete, mini programming language designed […]
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sed? Surely you mean ‘said’? As Linux commands go, this one has a very confusing name. That is, until someone tells you, that, like many Linux commands, it is yet another abbreviation. This time, sed is short for stream editor. Stream editor? Let’s explain briefly. Many editors for text files operate in a sort of point-click-and-save fashion. They […]
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Grep and Friends In this Linux Basics article, we will have a look at the grep command and its variants, egrep (Extended grep), fgrep (Fixed grep), pgrep (Process grep) and rgrep (Recursive grep). We asked our Host Africa Linux guru a few questions and this is what he came up with. Q: What does it do? A: It finds all lines of text […]
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The following are all BASH commands that are in daily use for most admin tasks. Need to extract a list of email addresses from a log file or a list of domains from a zone file list? These tools can do all of this and more. Let us dig in and have a look at what […]
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