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Use/Less

Use/Less

A virtual pinboard of use[ful/less] information

Author: David

The Office 365 email service removed support for logins with standard authentication on 1 October 2022, so mail clients need to be configured to use OAuth2 authentication instead. Evolution is a mail and calendar program for Linux, with good support for the non-standard Office 365 mail system. How to set up Evolution to use OAuth2 […]

Useful online network tools: DNS checker (useful for checking DNS update propagation) Subnet calculator (calculate CIDR ranges, etc)

If you need to run a long running terminal session on a remote server, you can keep the terminal session running, even if the ssh connection gets disrupted, by using the GNU Screen program. Command tips: screen –help (obvious) Check (list) if you have screen session(s) already running: screen -ls Reattach to an existing screen […]

In newer versions, the Firefox web browser increasingly does things by default which are annoying for people who have being using the web for a longer time. Fortunately, many of these problems can be fixed, as noted in the pages linked below (although they should not have been set as the default in the first […]

Links to web image carousel and presentation software: Bootstrap’s carousel component: automatically cycle though images or slides of text reveal.js: JavaScript framework for creating step by step slideshow presentations Porteus Kiosk: simple, but quite powerful, display screen and slideshow system for x86 computers. Screenly: digital signage system for Raspberry Pi computers (Thanks to various colleagues […]

I have just found out that you can in fact edit PDF files using the free and open source software Libre Office Draw (the extent to which you can do this may depend on how the PDF was originally created). This might perhaps be useful on some occasions as an alternative to requiring Acrobat Professional. […]

I can never remember the order in which the job start time values occur in cronjobs: #M H d m w Minutes, Hours, date of month, month number, weekday number (Monday is 1) (Yes, man 5 crontab will tell me this, but I sometimes forget that as well…)

Apache web server directives are processed according to Apache’s merging rules (Directory, Files, Location, etc). But when multiple Aliases or Redirects occur in the same context (for example, in the same <VirtualHost> section) they are processed in a particular order. First, all Redirects are processed before Aliases are processed, and therefore a request that matches […]

One of the easiest ways to alter the appearance of your website is to include suggested fonts in your site’s style sheet. Originally, you had to list a number of fonts in your style sheet (ultimately finishing with the appropriate “generic” font family type as a final fall-back), hoping that people reading your website would […]

[TODO: Insert welcoming message here…]

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