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I will use this article to collect interesting tips and tricks about using the Linux cron. This is not so much about setting up a cron, but about little things I use or discovered!
The cron daemon is a long-running process that executes commands at specific dates and times. You can use this to schedule activities, either as one-time events or as recurring tasks.
For commands that need to be executed repeatedly (e.g., hourly, daily, or weekly), you can use the crontab command. The crontab command creates a crontab file containing commands and instructions for the cron daemon to execute.
Format is: MIN HOUR DOM MON DOW CMDMinute fieldHour fieldDay of monthDay of weekCommand
Run every 5 minutes
Run yearly, monthly, weekly, daily or on reboot.@yearly will run at 00:00 on Jan 1st for every year.@monthly will run at 00:00 on 1st of every month.@weekly will run at 00:00 on starting of every week.@daily will run at 00:00 on every day.@reboot will run after the server has been rebooted
A real cron does not rely on website activity and executes independently.
Do not forget to disable the virtual WordPress Cron in the wp-config.php!
Gatsby is a free and open source framework based on React that helps developers build blazing fast websites and apps.
While researching some popular static site generation tools, GatsbyJS comes up often. I have played with NuxtJS and Hugo in the past, but what I REALLY like about GatsbyJS is the plugin / modular system. You can build your website with plain-old React and CSS styles, but make your development more efficient by adding node_modules.
Also being able to import any data source with ease, using GraphQL, is amazing. And when it comes to content management, you can easily hook a headless WordPress or Drupal setup into the mix and consume their REST APIs :)
I am not switching my own website to GatsbyJS anytime soon, but its another tool in my toolbox for future project consideration !
There are many tutorials on Youtube about getting started, maybe something to consider for the next freetime testdrive ;) Enjoy …
GatsbyJS @ Github
bin/plugin psysh shell
terminus cli console
Manet is a REST API server which allows capturing screenshots of websites using various parameters.
The Node.js server can use SlimerJS or PhantomJS as headless browser engines.
I have build similar with CasperJS, but this is far better for those that want a simple straight solution.
A nice set of CSS3 Animations that can be easily used to spice up your design.
Two tools that can enhance your workflow immensely. Enjoy!
“After Meltdown, Spectre, and Foreshadow, we discovered more critical vulnerabilities in modern processors. The ZombieLoad attack allows stealing sensitive data and keys while the computer accesses them. While programs normally only see their own data, a malicious program can exploit the fill buffers to get hold of secrets currently processed by other running programs. These secrets can be user-level secrets, such as browser history, website content, user keys, and passwords, or system-level secrets, such as disk encryption keys.” – zombieloadattack.com
There seems to be a new security related story every day. Read about the latest CPU related issues at CPU.fail.
Since I started in 2002, all iterations of portalZINE have been pure english content websites. You can read about the why on my services page.
I had potential customers in Germany complain about that a lot over the past few years. But your own website often suffers, while your customers get all the attention. That is how it is and how it should be!
Creating Multi – Language websites has been part of my services & portfolio for years, with an extreme application setup handling 13 languages in 2014 for the soccer world cup.
Multi-Language setups have come a long way and it was time to showcase that on my own setup as well. Not only to calm those potential customers, but to testdrive new functionality and possibilities on my own setup. portalZINE has always been my testlab for stability and new feature sets.
Most of my static pages are available in English and German now, the blog itself will remain pure English.
Need help setting up a multi language website, get in touch!
Composercat is a comprehensive GUI for the Composer package manager, designed both for professionals and people taking their first steps with Composer.
A nice entry point for everyone that is afraid of the console. The GUI application is currently in beta and available for Windows, MacOS and Linux.
“Composer is a tool for dependency management in PHP. It allows you to declare the libraries your project depends on and it will manage (install/update) them for you.”
I am taking a small easter break to join up with family and friends. We will have perfect weather up here in the north for the coming days. I wish you all Happy Easter and many lovely days away from routine business life. EnjoyAlex