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Tag Archives: command line
Trace Route on MacOS via Spotlight Tutorial
A tool often used to diagnose DNS networking issues is a trace route. On a Windows command line that can be achieved by the command “tracert” and on macOS command line we can use “traceroute”. Today, though, we want to … Continue reading →
Posted in eLearning, Networking, Operating System, Tutorials
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Tagged command line, DNS, domain, IP address, macOS, network utitility, networking, operating system, route, spotlight, trace, trace route, tracing, tutorial
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CentOS Exim Mail Server Sanity Check Testing Tutorial
To send an email often relies on a Mail Server and accompanying software and hardware and networking to support just such a Mail Server. Here at our Linux web server (CentOS) here at RJM Programming we oversee an Exim Mail … Continue reading →
Posted in Ajax, eLearning, Hardware, Networking, Operating System, Software, Tutorials
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Tagged Ajax, CentOS, command line, email, exim, FormData, Linux, log, Mail, mail server, mailto, PHP, sanity check, test, testing, tutorial, web server
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Troubleshooting MySql Query Error Tutorial
Please see the parallels with the previous Troubleshooting Landing Page Crontab Curl Tutorial as we review a “same fix” “different symptom” regarding diskspace on our RJM Programming domain Apache/PHP/MySql web server … Let’s go over the symptoms found with our … Continue reading →
Posted in Database, eLearning, Operating System, Tutorials
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Tagged command line, configuration, crontab, curl, diskspace, ImageMagick, ksh, landing page, Linux, MySql, phpMyAdmin, query, remote access, script, SQL, ssh, troubleshoot, troubleshooting, tutorial, web server
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Troubleshooting CentOS Web Server Logfile Diskspace Issue Tutorial
When it comes to categorizing the nature of major issues maintaining our RJM Programming domain’s CentOS Linux web server it’s easy to tell you what is top of the list … diskspace … both concerning … inode limits (a Linux/Unix/macOS … Continue reading →
Posted in eLearning, Operating System, Tutorials
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Tagged CentOS, command line, crontab, disk, disk space, diskspace, domain, fix, inode, Linux, operating system, ssh, troublesoot, tutorial, web server
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Windows File Server and File Sharing Inaccessible Troubleshooting Tutorial
Businesses and schools around the world benefitted from the invention of the networking idea of a file server as we discussed with the previous Windows File Server and File Sharing Primer Tutorial, and we’ll let Wikipedia explain below … The … Continue reading →
Posted in eLearning, Hardware, Networking, Operating System, Software, Tutorials
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Tagged client/server, command line, connect, disconnect, DOS, drive, error, file, file server, inaccessible, IP address, map, Mapping, net use, network drive, operating system, ping, troubleshoot, tutorial, UNC, Windows, Windows 10
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PHP Passthru Output Buffering Verb Tutorial
Yesterday’s PHP Passthru Output Buffering Security Tutorial set up a framework for our tightened “defence” of our “Passthru” (PHP) web application woooooooorrrrrrrrlllllld view, but there is scope, still, to improve the “offence”, a move which affects “defence” as well (wouldn’t … Continue reading →
Posted in eLearning, Operating System, Tutorials
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Tagged action, buffer, command line, curl, dropdowm, form, function, genericization, get, hardcoding, MAMP, method, ob_get_contents, ob_start, output buffer, passthru, PHP, post, programming, security, select, stop press, switches, tutorial, validation, verb, virtue signal, whatis
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PHP Passthru Output Buffering Security Tutorial
Serverside web applications (such as this current PHP one), more so than purely clientside web applications, are a bit like a lot of sports … there is the “offence” functionality side that provides a product or service to the user … Continue reading →
Posted in eLearning, Operating System, Tutorials
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Tagged buffer, command line, curl, form, get, MAMP, method, ob_get_contents, ob_start, output buffer, passthru, PHP, post, programming, security, stop press, switches, tutorial, validation, virtue signal, whatis
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PHP Passthru Output Buffering Primer Tutorial
The PHP passthru command … Execute an external program and display raw output … is a good way for your underlying command line be expressed within a PHP web application executed in a web browser. But that “raw” above is … Continue reading →
Posted in eLearning, Operating System, Tutorials
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Tagged buffer, command line, MAMP, ob_get_contents, ob_start, output buffer, passthru, PHP, programming, stop press, tutorial, whatis
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