In IT, intentional redundancy protects storage systems and data centers from data loss and system failures. The duplication and repeated design of data sets, supply paths and technical components strengthen the resilience of databases and IT systems. Find out here how redundancy works, when it makes sense, and when it unintentionally becomes a hurdle.
SSH tunnels are used for secure data transfers and for accessing websites that you otherwise wouldn’t have access to via your network. Reverse SSH tunnels make port forwarding possible with private IP addresses. Keep reading our dedicated article to find out what SSH tunnels are, what they’re used for and how to set one up.
A shock was felt around the world at the end of 2021 when the Log4Shell vulnerability became known to the public. Attackers were able to completely take over remote systems without much effort. All major companies and many of the most widely used services were affected by it. In our article, we’ll explain why Log4Shell was so disastrous, how the exploits work, and what protective measures are...
In the digital age, we are increasingly resorting to cloud services: At work, people collaborate on projects together in the cloud, and in their free time, they share photos from their last vacation. At the same time, cloud storage is by no means free from security risks. The multi-cloud environments of larger companies, in particular, are becoming a challenge for cloud security. Here, we will...
You can use the native software Time Machine to create a complete backup of your Mac computer in just a few steps. We’ll guide you through starting and running the backup process and show you other ways to back up data on Macs – from manual backups to cloud-based services.
Since May 25, 2018, a European law on data protection has been in place. However, despite it being relevant to day-to-day business, many companies and website operators are still unattuned to the General Data Protection Regulation (GDPR). On top of this, high fines are imposed on those violating the regulations. Here we summarize everything worth knowing on the EU GDPR for entrepreneurs and online...
There are many ways to back up photos. Which solutions are best for backing up your own pictures? Ever-improving image qualities lead to larger image files, and that’s why cloud-based photo backups are coming more and more into focus. How safe is it to store your photos there and what advantages does the cloud have over conventional data carriers when it comes to image storage?
Creating database backups is one of the standard tasks of web and system admins. Each database management system comes with its own tools for creating backups. PostgreSQL has the command line programs pg_dump and pg_restore. The command line interface psql is also used. We’ll present you with the most common backup scenarios with examples of the required code.
You might already know this warning message if you work with WordPress or similar CMS; “Create a backup of the database before updating”. The mysqldump tool is often used to create the backup. But what does MySQL dump mean? We’ll explain what is meant by this term and show you how to create a database backup with the mysqldump tool.
Many only know internet identity theft and similar crimes from movies or television. But stories of online fraudsters are not just mere phantasies of screenwriters; for many the experience is all too real. Online identity theft has become more and more of a problem over the past few years, and everyone is a potential victim. We have compiled some preventative steps than can help you stay out of...
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