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25%
Scale-out with PostgreSQL
05.02.2023
Home »  Archive  »  2023  »  Issue 73: Datab...  » 
Lead Image © Alberto Andrei Rosu, 123RF.com
at a single location somewhere in the world. This setup is impossible for three reasons. First, the latency experienced by users when information is moved between different regions around the world
24%
Managing GPT-4 on the Network
05.08.2024
Home »  Archive  »  2024  »  Issue 82: Sover...  » 
Photo by Cécile Brasseur on Unsplash
at the top of the Copilot window. If you do not see this status indicator, Copilot is using Bing Chat. In this case, you should avoid using the chat feature and enable Bing Chat Enterprise up front. You need
24%
Linux nftables packet filter
30.01.2020
Home »  Archive  »  2020  »  Issue 55: AWS L...  » 
Lead Image © alphaspirit, 123RF.com
/sys/net/ipv6/ip_forward file. In this case, the package only passes through the prerouting, forward, and postrouting hooks. In these three hooks, the packet can be rewritten by NAT in terms of the IP address
24%
Proactive Monitoring
11.10.2016
Home »  Archive  »  2016  »  Issue 35: Persi...  » 
Lead Image © Tom Wang, 123RF.com
center comprises three hosts, two web servers, a database server, a load balancer, and the central Riemann instance. This server evaluates the events of the smaller location as if it had received them
24%
Denial of Service in the Cloud
12.11.2013
Home »  Articles  » 
their responses to the spoofed source address and thus flood the real target with data. The reflexive DNS attack leverages the amplifying factor of the DNS system; after all, the DNS response is typically three
24%
Security analysis with Security Onion
04.04.2023
Home »  Archive  »  2023  »  Issue 74: The F...  » 
Photo by Mick Haupt on Unsplash
anomalies in your infrastructure. To further support you in your analysis, Security Onion comes with in-house functions on top of established tools. Before you get started with Security Onion, I'll first
24%
Discover vulnerabilities with Google Tsunami
04.04.2023
Home »  Archive  »  2023  »  Issue 74: The F...  » 
Photo by Silas Baisch on Unsplash
intuitive) command bash -c "$(curl -sfL https://raw.githubusercontent.com/google/tsunami-security-scanner/master/quick_start.sh)" downloads a script from the Tsunami source code. The script, in turn
24%
The Azure Arc multicloud and on-premises management platform
25.09.2023
Home »  Archive  »  2023  »  Issue 77: Secur...  » 
Photo by Chris Leipelt on Unsplash
the agent's tasks and its communication relationships with the Azure services. Three components in ACMA handle communication with Azure and management tasks on the local machine. The Hybrid Instance Metadata
24%
Scalable mail storage with Dovecot and Amazon S3
10.04.2015
Home »  Archive  »  2015  »  Issue 26: OpenS...  » 
Lead Image © Vlad Kochelaevskiy, Fotolia.com
plugin { # Use 100 GB cache for mails in /var/lib/dovecot/cache. The cache directory is \ the same for all users. obox_fs = fscache 100G:/var/lib/dovecot/cache:s3:https
24%
Alternative virtualization solutions when OpenStack is too much
28.11.2022
Home »  Archive  »  2022  »  Issue 72: OpenS...  » 
Lead Image © elnur, 123RF.com
of the respective instance, and you are ready to go. On top of that, Pacemaker handles at least basic balancing of resources easily. For example, a three-node cluster can be made to distribute three VMs evenly

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