Blog : Web Tutorials
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 […]
sed
How to use Linux sed ‘s’ Function 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. Many editors for text files operate in a sort of point-click-and-save fashion. They cannot edit a […]
grep command
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 […]
Basic troubleshooting methodology At HOSTAFRICA, we believe that troubleshooting must be structured to be useful. I find the best method is the “Macro to Micro” approach. This means that you verify the correctness and functionality of the largest factors involved in the issue first as, without these, the problem will not resolve. This is a process […]

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