As a web developer configuring SSL certificates on websites you deliver, as we do, you might be faced, one day, with a small issue about configuring a 301 redirect from HTTP to HTTPS that has to be reverted. It so happens that browsers *really* take it to heart to cache an HTTP 301 (permanent redirect) message seriously and deeply. So much so that it might become very difficult to remove this redirect and ever be able to access the site in HTTP again.
This article can be considered an update of our first article on installing Chamilo (on a Raspberry Pi B+). This time, we are testing it with Raspberry 3, as of the 1st of April 2017 (no joke intended). Last time, we were testing with Chamilo 1.9, which is arguably less load-intensive, considering it doesn't include any Symfony component, and it doesn't require any .htaccess configuration.
If you design your icons in SVG with Inkscape and wonder how to quickly make an "inactive" icon in grayscale, here's a quick fix (at least for Linux users):
inkscape -f teacher_na.svg --verb EditSelectAll --verb org.inkscape.color.desaturate.noprefs --verb FileSave --verb FileQuit
This will edit your file in-place (so you need to take a copy first) and will require Inkscape to be launched, but all in all, this will make you save a lot of time.
YouTube requirementsIn order to prepare a good video tutorial, the first thing you need is: stan
- the ibdata1 file becomes huge after some time (we've seen it pass the 8GB bar)
- starting the MySQL server takes longer
- deleting an InnoDB table *doesn't* reduce the space used by ibdata1
- you have to shutdown your server, remove ibdata1 completely, then restart the server in order to reinitialize the ibdata1 file to a 0-size file (but th
- this procedure is slightly more difficult (so longer) than installing the charm on Amazon
- you can skip directly to "Installing Juju"
- if you already have juju installed, you can skip to the last 2 lines of the "Installing juju" section
- if you already have juju-docean installed and configured, you can skip directly to "Provisioning VMs"
- otherwise, just continue reading, it's worth a few minutes...
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