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14%
Run applications in a containerized sandbox with Firejail
28.11.2021
Home »  Archive  »  2021  »  Issue 66: Inci...  » 
Lead Image © Victor Zastolskiy, 123RF.com
. In the network namespace, the available network interfaces, IP addresses, routes, and firewall rules can be abstracted in the same way as Unix domain sockets, and you can use the UTS (Unix timesharing) namespace
14%
Ransomware: Prepare for emergencies
30.05.2021
Home »  Archive  »  2021  »  Issue 63: Autom...  » 
Photo by Michael Geiger on Unsplash
, ransomware often does not become active directly. Instead, it first looks at common IT processes, existing network drives, and temporarily mounted backup media. At the right moment – preferably when
14%
A REST API automation strategy for DevOps
16.08.2018
Home »  Archive  »  2018  »  Issue 46: CMS S...  » 
Lead Image by Alex Kotliarskyi on Unsplash
of IT automation: In typical companies, you can find automation silos in the classic infrastructure and application management areas, which means that host, storage, network infrastructure, firewall, compliance
14%
Exploring the most famous performance tool
16.08.2018
Home »  Archive  »  2018  »  Issue 46: CMS S...  » 
Lead Image © Lucy Baldwin, 123RF.com
fame, stolen CPU is not as significant for workloads that are not sensitive to network jitter or that are not real-time in nature. The Noisy Neighbor is a related term of art: In any virtual
14%
Encrypting DNS traffic on Linux with DoT
01.06.2024
Home »  Archive  »  2024  »  Issue 81: Load...  » 
Photo by Alexander Grey on Unsplash
means DNS traffic uses the same network port (tcp/443) as HTTPS. As a result, administrators initially have no way of distinguishing between DNS and HTTPS traffic. The standard is now supported by most
14%
Application virtualization with Docker
08.10.2015
Home »  Archive  »  2015  »  Issue 29: Rescu...  » 
Lead Image © Oleksiy Mark, 123RF.com
rapidly gaining popularity. Containers keep a computer's resources isolated (e.g., memory, CPU, network and block storage). Applications run inside a container completely independent of one another
14%
OpenStack: Shooting star in the cloud
21.05.2014
Home »  Articles  » 
Stack world defines the following automation tasks: User management Image Management Network management VM management Block storage management for VMs Cloud
14%
DNS filtering with authentication
30.11.2020
Home »  Archive  »  2020  »  Issue 60: Secur...  » 
Photo by Nathan Dumlao on Unsplash
Web filters that are based on the HTTP proxy server principle are part of the standard toolkit for protecting corporate networks. The use of such filters, often employing the Squid proxy server
14%
Supercharge your Website with Amazon CloudFront
11.06.2014
Home »  Archive  »  2014  »  Issue 21: Manag...  » 
Lead Image © 123RF.com
, networking gear, network latency, and on and on. I could spend 1,000 pages discussing the problems that influence page load time and never address the bigger picture. In this article, I will focus on a simple
14%
OpenStack Trove for users, sys admins, and database admins
14.08.2017
Home »  Archive  »  2017  »  Issue 40: Lean...  » 
Lead Image © cheskyw, 123RF.com
that access network storage in the background. A typical example is Ceph used as a storage back end for OpenStack. Each write operation on a VM results in multiple network reads and writes: The Ceph client

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