Category Archives: Operating System

An operating system (OS) is a collection of software that manages computer hardware resources and provides common services for computer programs ( Wikipedia )

Server unexpectedly closed network connection FileZilla Tutorial

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In day to day web server management (of the CentOS (Linux) WHM/cPanel Apache/PHP/MySql rjmprogramming.com.au domain) we find the most baffling error that you occasionally come up against “web server access wise” is FileZilla’s (or any sftp application’s) error message … … Continue reading →

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HTC Android Phone Multiple Image Attachment Primer Tutorial

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Helping out a student with an HTC mobile phone (that uses the Android operating system) issue, we were surprised that the methodology to attach multiple images, captured using the Camera app, as email attachments, needed a different set of instructions … Continue reading →

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Apache/PHP/MySql Linux Language Considerations Primer Tutorial

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The recent CSS Style Javascript DOM Override Onload Primer Tutorial “proof of concept” web application ended up with the name … are_you_happy_with_my_or_do_you_think_my_derriere_needs_work.html … but along the way we wanted to call it … are_you_happy_with_my_or_do_you_think_my_derrière_needs_work.html … but this didn’t work as … Continue reading →

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Linux Disk Usage cPanel Heads Up Tutorial

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What’s important, and what’s not? Leave you with that. See you tomorrow. Not a very good blog posting is it? Let’s say, instead … “What’s important, and what’s not, regarding Linux CentOS WHM Apache/PHP/MySQL cPanel, when it presents one of … Continue reading →

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AirDrop Primer Tutorial

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We’ve attempted to write about AirDrop as a networking and sharing tool (by Apple) between two Mac OS X (in our case) MacBook Pros, for some time now, as we’ve not had a lot of success. Today, we had some … Continue reading →

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Virus Protection for Email and Filemanager Uploads Tutorial

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Can you Virus Scan a Linux web server? Well, with our Apache/PHP/MySql CentOS web server using WHM and cPanel had a plugin, installable for this purpose, and called ClamAV Scanner. So, we can! How do you find out about this … Continue reading →

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CentOS Linux Web Server Services Restart Primer Tutorial

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The other day the unthinkable happened, for us. Something to do with Linux and its associated role in running the rjmprogramming.com.au web server failed, not totally, but in a way I’d never before encountered using Linux or Unix. You see … Continue reading →

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PHP Find in Context Primer Tutorial

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We’ve discussed PHP as a great server-side language that we use at our rjmprogramming.com.au domain and the three modes of use that PHP works, when we presented PHP Desktop Command Line Follow Up Tutorial as shown below. You may recall … Continue reading →

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