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Tag Archives: security
AlmaLinux SSH Access Fail2ban and Firewall Protection Tutorial
For us, we just want to get on with the programming. But what if something is welling up, that might stop you “getting on”? We saw this on our “soon to be” dedicated virtual AlmaLinux Apache/PHP/MySql web server, for RJM … Continue reading →
Posted in eLearning, Installers, Operating System, Software, Tutorials
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Tagged Access, AlmaLinux, brute force attack, command line, configuration, dedicated hosting, dnf, domain, fail2ban, firewall, firewalld, install, Linux, login, password, port, protection, security, ssh, tutorial, Virtual Host, web server
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Pandoc Install and Public Face Sharing and Security Tutorial
It’s interesting thinking on today’s work, further to yesterday’s Pandoc Install and Public Face Tutorial, teaming … sharing … and … security … ideas and concepts do not feel like likely “conceptfellows”. But these two ideas share the same repository, … Continue reading →
Posted in eLearning, Event-Driven Programming, Operating System, Tutorials
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Tagged audio, dnf, document, email, exec, ffmpeg, image, install, installer, Linux, media, Package Manager, pandoc, PHP, programming, security, serverside, share, sharing, SMS, temporary, tutorial, video, web server
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Linux Find and/or Locate Files/Directories Application Extensions Tutorial
A lot of us have FOMO … ie. Fear of Missing Out … over something. One that worries us, running a web server, is the fear of missing out on the daily report we get regarding software on the RJM … Continue reading →
Posted in eLearning, Software, Tutorials
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Tagged command line, cron, crontab, date, datetime, email, executable, extension, file, file extension, find, fomo, korn shell, Linux, modified, operating system, report, script, security, shell, web server
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PHP Upload Security Tutorial
Perhaps our PHP Upload Primer Tutorial shows us a little “green around the gills” regarding “uploading”. Let’s face it, there is quite a bit more malicious activity going on with the net that means the discussion back then did not … Continue reading →
Posted in eLearning, Event-Driven Programming, Operating System, Tutorials
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Tagged accept, audio, browse, browsing, capture, content, content generator, dialog box, exec, extension, file, file browsing, file extension, file size, finfo_file, finfo_open, form, getimagesize, image, malicious, malware, media, mime type, moderation, PHP, programming, rename, renaming, security, serverside, tutorial, upload, uploader, video, web server
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Trust This Computer Issue on iPhone Tutorial
We think we introduced a problem with the way our iPhone charges (or is hard to) recently, and we think we got “out of synch” with using the iPhone as a debugging tool (as we show with Just Javascript Card … Continue reading →
Posted in eLearning, Hardware, iOS, Tutorials
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Tagged alert, Apple, buzz, connection, debug, debugging, hardware, iOS, iPhone, issue, lead, MacBook Air, macOS, port, power, powering off, powering on, problem, security, setting, trust, tutorial, USB, USB port, validation, vibrate, white lead
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Colour Coded Mobile Form With Onsubmit Captcha Tutorial
Yes, am sure lots of you could have told me about yesterday’s Colour Coded Form With Onsubmit Captcha Tutorial … But what about mobile? Well, it’s your turn to say … Told you so. It’s the scenario whereby there is … Continue reading →
Posted in eLearning, Event-Driven Programming, iOS, Tutorials
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Tagged answer, button, canvas, captcha, click, colour, colour blindness, colour code, defer, disable, event, external Javascript, form, getImageData, Go, HTML, HTML5, human, image, img, inert, iOS, iPad, iPhone, Javascript, keyboard, logic, mondrian, navigation, onclick, onload, onsubmit, pixel, position, primary colours, programming, question, readonly, real person, script, security, submit, test, textbox, tool, tutorial, user, validation, webpage
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Colour Coded Form With Onsubmit Captcha Tutorial
We suspected there would be difficulties when, elaborating on yesterday’s Colour Coded Form Captcha Tutorial‘s start … dynamically adding Captcha Colour Code logic (via the use of external Javascript) to an HTML webpage form … which had no form onsubmit … Continue reading →
Posted in eLearning, Event-Driven Programming, Tutorials
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Tagged answer, button, canvas, captcha, click, colour, colour blindness, colour code, defer, event, external Javascript, form, getImageData, HTML, HTML5, human, image, img, Javascript, logic, mondrian, navigation, onclick, onload, onsubmit, pixel, position, primary colours, programming, question, real person, script, security, submit, test, tool, tutorial, user, validation, webpage
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Colour Coded Form Captcha Tutorial
Are you human? This is not such a silly question, in the online world. There are ways to access software with no real human intervention among … legitimately usefully unintendedly maliciously … and if you design a web application looking … Continue reading →
Posted in eLearning, Event-Driven Programming, Tutorials
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Tagged answer, button, canvas, captcha, click, colour, colour blindness, colour code, defer, event, external Javascript, form, getImageData, HTML, HTML5, human, image, img, Javascript, logic, mondrian, navigation, onclick, onload, onsubmit, pixel, position, primary colours, programming, question, real person, script, security, submit, test, tool, tutorial, user, validation, webpage
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I like the single-row radio-play approach for keeping the controls compact while still making each selection clear. When I’m checking a calculation alongside a tutorial, I use StepStat to see the intermediate steps; how do you handle the layout when the playlist gets much longer?