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12%
Load test your website with Siege
28.11.2022
Home »  Archive  »  2022  »  Issue 72: OpenS...  » 
Photo by Aarón Blanco Tejedor on Unsplash
be sure you have administrative access to your system. In this article, I provide instructions on how to use the Siege benchmarking tool to stress test a website hosted on an Ubuntu 20.04 server. Why Care
12%
Ransomware: Prepare for emergencies
30.05.2021
Home »  Archive  »  2021  »  Issue 63: Autom...  » 
Photo by Michael Geiger on Unsplash
you against ransomware attacks. As a preventive measure, employees should not open any attachments from unknown senders. Recipients of such email messages should check the sender information provided
12%
Controlled container communication
30.05.2021
Home »  Archive  »  2021  »  Issue 63: Autom...  » 
to the corresponding computers on your private network. The raw and security tables are used far less frequently and provide functionality to prevent connection tracking or to mark packets in SELinux contexts. Each
12%
Shadow admin permissions and your AWS account
30.05.2021
Home »  Archive  »  2021  »  Issue 63: Autom...  » 
Lead Image © zelfit, 123rf.com
, but the concept is very similar to, for example, Microsoft authentication, where you need to have a user account and permissions to access any resource on the network. Cloud providers have an extensive selection
12%
News for Admins
30.05.2021
Home »  Archive  »  2021  »  Issue 63: Autom...  » 
 
board will be created for this project, one that will consist of a rotating committee of experts who will influence the agenda and provide input, oversight, and support. It's important to note that Linux
12%
networkd and nspawn in systemd
11.04.2016
Home »  Archive  »  2016  »  Issue 32: Measu...  » 
Lead Image © Kritiya Sumpun, 123RF.com
extended to provide better support for use in container environments. The following example shows how easy it is to use the daemon to set up, say, a bridge device. Networkd is not designed to replace
12%
Storage monitoring with Grafana
05.12.2019
Home »  Archive  »  2019  »  Issue 54: NVMe...  » 
Lead Image © Gino Santa Maria, 123RF.com
InfluxData and Grafana Labs both provide RPM repositories for their tools. After a minimal CentOS 7 installation (and the yum update -y command), you should create two repository files, influxdb
12%
News for Admins
05.12.2019
Home »  Archive  »  2019  »  Issue 54: NVMe...  » 
 
, standard username/password authentication will not work. Hetzner Launches New Ryzen-Based Dedicated Root Servers Hetzner is an Internet hosting company and data center operator out of Germany that provides
12%
Thrashing the data cache for fun and profit
05.12.2019
Home »  Archive  »  2019  »  Issue 54: NVMe...  » 
Lead Image © Lucy Baldwin, 123RF.com
and access patterns matter, and a stark demonstration of the difference between the two approaches is provided by Figure 2. The perf stat command [6] executes the command requested while gathering statistics
12%
Regular expression security
30.01.2020
Home »  Archive  »  2020  »  Issue 55: AWS L...  » 
Lead Image © Jakub Jirsak, 123RF.com
the language that you want to accept as input for an application. Email addresses provide a simple but useful example. The World Wide Web Consortium recommends the following regular expression for the language

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